The use of geographic information systems (GIS) and related technology to manage vital information about our communities and regions of the state has clearly become more commonplace. Perhaps no other recent effort than the development of this document and the related project to inventory and characterize the water distribution and sanitary sewer systems in rural North Carolina is testament to the growing use of GIS. Through this project, numerous elected officials, town managers, and others from non-urban regions of the state have been exposed to the value of using GIS for managing and understanding large and complex amounts of detailed information. Many are now beginning to use GIS data to help maintain future safe drinking water supplies and to develop environmentally responsible waste treatment plans in hopes to spur or ensure continued economic growth in their communities.

This standard is primarily intended to serve as a specification for the statewide water and sewer inventory project conducted by the North Carolina Rural Economic Development Center and the Western Piedmont Council of Governments. It is anticipated that the standard will be used to provide a basis for continued maintenance of the inventory and by others that develop and manage data about water and sewer infrastructures.

The development of this standard evolved over many months and its content reflects "in the field" experiences of staff from the Rural Center, McGill & Associates, and the Western Piedmont Council of Governments. The experiences shared from the field were important and significantly improved the document from its first draft.

We expect that many will consider and use the standard as developed and we certainly anticipate that they also will provide their insights and requirements back to us so that subsequent versions of the document are valuable to the community at large.

Zsolt Nagy,
North Carolina Center for Geographic Information & Analysis

John Soles,
North Carolina Rural Development Council
Rural Economic Development Center, Inc.

Francine Stephenson
North Carolina Office of State Planning

Many served to launch this initiative and provided feedback on specific aspects of this document. The following is a list of key project participants the authors wish to recognize.

DeWitt Blackwell, Western Piedmont Council of Governments
Billy Ray Hall, N.C. Rural Economic Development Center
Kenneth Flowers, N.C. Rural Development Council
Karen Siderelis, Center for Geographic Information and Analysis

Dana Bolden, McGill & Associates
Faith Hege, Western Piedmont Council of Governments
Mike Williams, Western Piedmont Council of Governments
Neil Thomas, Resource Data, Inc.
David Giordano, Center for Geographic Information and Analysis
Cathy Bock, Rural Economic Development Center, Inc.
Eddie Staley, Hobbs, Upchurch and Associates



Funding and support provided by the
Western Piedmont Council of Governments and the
North Carolina Rural Economic Development Center, Inc.
Research and Demonstration Grants Program.

Section 1: Introduction

Background

Objective

Geographic Information Coordinating Council

Corporate Geographic Database

Section 2: Content Standards - General

Methodology

Document

Participants

Section 3: Content Standards - Water Distribution Systems

Definition

Geometric Representation

Geographic Coordinate System, Datum, and Unit of Measurement

Annotation

Metadata

Symbology

Attributes

Summary of Attributes

Definition of Attribute Fields

Section 4: Content Standards - Sanitary Sewer Systems

Definition

Geometric Representation

Geographic Coordinate System, Datum, and Unit of Measurement

Annotation

Metadata

Symbology

Attributes

Summary of Attributes

Definition of Attribute Fields

Section 5: Content Standards - Supplementary Owner Information

Glossary of Terms

Lists
List 1 - Listing of Corporate Geographic Data Layers
List 2 - Summary of Water Distribution Systems Attribute Fields
List 3 - Summary of Sanitary Sewer Systems Attribute Fields
List 4 - Summary of Supplementary System Owner Information

Tables
Table 1 - Definitions of Attribute Fields for Water Distribution Systems
Table 2 - Definitions of Attribute Fields for Sanitary Sewer Systems
Table 3 - Definitions of Attribute Fields for Owners

SECTION 1: INTRODUCTION

Background

The availability of safe drinking water supplies and the ability to economically treat, process, sanitize, and return treated sewerage into the state's rivers and lakes are critical issues for citizens of North Carolina as we approach the next millennium. Thorough knowledge about the location, condition, and capacity of water distribution and sanitary sewer systems and information about the projected need for these systems throughout the state is vital. Federal, state and local officials, planners, and engineers are in need of reliable and comprehensive information that can be used to manage the current infrastructure and plan for the future.

In response to this need, a detailed inventory of all water and sewer systems in North Carolina and an assessment of needs for expansion and development of new systems has been launched by the Rural Economic Development Center. Information collected in this project will be stored and maintained in the North Carolina Corporate Geographic Database, a collection of strategic geographic information.

Two agencies, the Western Piedmont Council of Government, and the North Carolina Rural Economic Development Center, agreed to cooperate with the North Carolina Center for Geographic Information and Analysis (CGIA) on the development of this water distribution and sanitary sewer systems geographic data content standard. This document is being used in the project as the data content specifications for the statewide geographic data layer on water and sewer systems.

The information will be accessible through the use of geographic information systems technology. Geographic information systems (GIS) are now being used by many public and private organizations to manage information, analyze, predict, and assist with human and natural activities on the earth. GIS is a technology that has grown in popularity over the past several years and is now being used by more than 53 counties in North Carolina, many lead regional organizations, all state departments, many federal organizations, and many private businesses and utilities.

Objective

The objective of this effort is to develop a geographic data content standard for use in the development of a statewide geographic dataset for water distribution and sanitary sewer systems in rural North Carolina. With the guidance and oversight of the Geographic Information Coordinating Council, North Carolina has implemented a strategic plan to guide the growth of geographic information systems, geographic information, and related technologies. An important aspect of the strategic plan is the development of data and technology standards.

This geographic data content standard is intended to be the basis for the development of a statewide data layer, as a component of the North Carolina Corporate Geographic Database, for water distribution and sanitary sewer systems. The standard is intended to represent the minimum requirements of data content for all organizations planning, building, and/or maintaining geographic data about water distribution and sanitary sewer systems.

Geographic Information Coordinating Council

Established by Executive Order Number 16 in May 1993, the North Carolina Geographic Information Coordinating Council (GICC) is responsible for the oversight and cost-effective development, management, and utilization of geographic information, geographic information systems and other related technologies in the state. The GICC is specifically responsible for (a) strategic planning, (b) resolution of policy and technology issues, (c) coordination, direction and oversight, and (d) advising the Governor, the Legislature, and the Information Resource Management Commission as to the needed directions, responsibilities, and funding regarding geographic information.

The statewide initiative to coordinate the growth and use of geographic information systems involves the cooperation of state, federal, and local government agencies; academic institutions; and the private sector. The initiative is intended to improve the quality, access, and utility of North Carolina's geographic information and to promote geographic information as a strategic resource in the state.

Adopted by the Council in August 1994, the Strategic Plan for Geographic Information Coordination in North Carolina forms the basis for the implementation of the coordination effort. Three major outcomes are expected from the implementation of the Strategic Plan. The outcomes are:

1) A GIS Partnership Program, to forge a cohesive system of relationships among organizations in the state to collaborate as partners in the collection, maintenance and use of geographic information;

2) The Geographic Data Clearinghouse, a comprehensive directory that describes data available in the Corporate Geographic database and which is accessed using current telecommunications networks;

3) The Corporate Geographic Database, a statewide strategic resource that contains information about the state and which will be distributed, used, and maintained through partnerships using advanced telecommunication networks.

Corporate Geographic Database

The North Carolina Corporate Geographic Database is a statewide strategic resource containing an abundant supply of information about North Carolina. For example, the content of the Corporate Geographic Database (CGDB) includes information about North Carolina's cultural resources, surface waters, topography, jurisdictional boundaries, environmental regulations, land cover, streets and highways, demographics, and natural resources. Each category of data is geo-referenced, described, and managed in data layers. The data layers are produced, maintained, accessed, distributed, and otherwise used by government and private organizations for a number of purposes. Table 1 contains a listing of data layers in the corporate geographic database.

The type and volume of information stored in the CGDB continues to expand. It is anticipated that parts of the database will be provided from many organizations outside of state government. Local and regional government organizations, federal agencies, utilities, and other private and non-profit entities are encouraged to participate in the development and maintenance of new data for the CGDB. These data will be managed and accessible using high speed telecommunications technology, like the North Carolina Information Highway. The data will be centrally coordinated, yet physically distributed on the network.

The Corporate Geographic Database is a logical location for a statewide water distribution and sewer systems data layer, since it will be best used in combination with many other layers that are contained in the database.

List 1: Data Listing of the North Carolina Corporate Geographic Database

1970 Census Boundaries/Population 1980 Census Boundaries/Population 1990 Census Summary Tape File 1B 1990 TIGER/Line Census Files Air Quality Pollution Discharge Points Ambient Water Quality Monitoring Sites Anadromous Fish Spawning Areas Artificial Marine Reefs Beach Access Sites Bottom Sediment Sampling Sites Boundaries - County (1:100,000-scale) Boundaries - Municipal 1994 Powell Bill Boundaries - Municipal (1:100,000-scale) Citizen Water Quality Monitoring Sites Closed Shellfish Harvesting Areas Coastal Area Management Act (CAMA) - Major Development Permits Coastal Marinas Coastal Reserves Digital Orthophoto Quarter Quadrangles Federal Land Ownership Fisheries Nursery Areas Geodetic Control Points Geology - NC Groundwater Recharge/Discharge Hazardous Waste Facilities Heavy Metals and Organic-Rich Mud Pollutant - Sample Sites High Quality Water and Outstanding Resource - Water Management Zones, Division of Water Quality Historic Sites & Districts (authorized use) Hurricane Storm Surge Inundation - Areas (1987) Hurricane Storm Surge Inundation - Areas (1993) Hydrogeology - NC Piedmont and Blue Ridge Hydrography (1:24,000-scale) Hydrography (1:100,000-scale) Hydrography - Major Hydrologic Units - NC Hydrologic Units - VA Jurisdictional Boundaries (1:24,000-scale)

Land Use / Land Cover Military Air Space National Pollutant Discharge Elimination - System Sites (NPDES) National Wetlands Inventory (NWI) Natural Areas (authorized use) Natural Heritage Element Occurrence Sites - (authorized use) Peat Deposits of the Pamlimarle Peninsula Proposed Critical Habitat Areas Shellfish Strata (1:12,000-scale) Shoreline (1:24,000-scale) Soils - Detailed County Surveys Soils - NC General Soils - VA General Solid Waste Facilities Spiny Mussels State-Owned Complexes State Parks Stream Gaging Stations Submersed Rooted Vasculars (SRV) Surface Water Intakes Topography - Contours Transportation - Pipe and Transmission - (1:24,000-scale) Transportation - Pipe and Transmission - (1:100,000-scale) Transportation - Primary Roads Transportation - Railroads (1:24,000-scale) Transportation - Railroads (1:100,000-scale) Transportation - Roads and Trails (1:24,000) Transportation - Roads and Trails (1:100,000) Water Supply Watersheds Wildlife Resources Commission Game Lands

SECTION 2: Content Standards

Development of the data content standard has occurred in several phases.

Phase one activity consisted of an assessment of information needs through an informal survey and through two facilitated workshops. Information needs were identified by a variety of potential data users, including public officials, resource managers, and professional engineers. Phase two activity consisted of the collection and assessment of other water and sewer systems standards and an assessment of existing geographic data files containing features pertaining to water and sewer systems. Phase three activity is an implementation of the standard by two organizations in the state. The working content standard is being used in the development of geographic data files by the Rural Economic Development Center and the Western Piedmont Council of Government. Reaction to the standard in the field by both organizations has been an important aspect of the development and refinement of the document.

Document

This document was prepared under a research and demonstration grant provided to the Western Piedmont Council of Governments by the Rural Economic Development Center, Inc. in support of the collaborative efforts with the NC Rural Development Council, the US Department of Agriculture, and the Office of the Governor's "NC Water and Sewer Inventory and Needs Assessment Project."

The document has been prepared for immediate use by all organizations that plan to implement digital geographic water and sewer inventory projects in the state. The standard is subject to change based on a comment period and a committee review process. The content standard will be submitted to the Council for official consideration in September 1996.

Participants

An advisory committee consisting of state, regional, and local representatives familiar with the delivery and management of water and sanitary sewer systems were assembled for two information requirement sessions. The advisory committee also includes several members that are very familiar with the operations and management of data using geographic information systems and related technologies.

Advisory Committee Members
E.H. Alexander REDC Board of Directors, Infrastructure Committee
E. Lee Armour Centralina Council of Governments
DeWitt Blackwell Western Piedmont Council of Governments
Bobby Blowe N.C. Division of Environmental Management
Steven Dear N.C. Rural Assistance Project, Inc.
Bill Gibson Southwestern N.C. Planning and Economic Development Commission
Ronald Goswick Kerr-Tar Regional Council
Wayne Jenkins Northampton County Public Works, N.C.
Buck Kennedy The Wooten Company
Al Leonard Town of Tabor City
Herman Little Anson County Commissioner
Rose Ann Mack Cape Fear Council of Governments
Gary McGill McGill Associates, P.A.
David Muse City of New Bern
Lynn Norton Alexander Water Corporation
Jerry Perkins N.C. Division of Environmental Health
Ed Regan N.C. Association of County Commissioners
Bob Schley N.C. Rural Water Association
Edgar R. Shuller N.C. Department of Transportation
Karen Siderelis N.C. Center for Geographic Information and Analysis
Paula Thomas N.C. League of Municipalities
Bobby White Burke County
Zettie Williams Duplin County Commissioner

SECTION 3: Content Standard - Water Distribution Systems

Definition

The Water Distribution Systems (WDS) dataset includes information about the primary facilities, mechanical components, and distribution lines that serve as a delivery system for drinking water. The WDS dataset includes a delineation of the service area boundary of each water distribution system. It also contains features of the locations of important mechanical components for the delivery of drinking water from a drinking water supply source to the curbside valve for customers in the system. The database contains attributes that describe all or portions of each component of the system.

Three types of water distribution systems exist for the digital water distribution system inventory: Type A, Type B, and Type P. Type A systems are generally considered large systems and are represented in the dataset as a service area with a variety of components. The components included in Type A systems are: water distribution pipes, groundwater wells, surface water intakes, water tanks, pumping stations, treatment plants, and master meters.

Type B systems are generally smaller and are represented in the dataset as a service area. Type B systems will be delineated by boundaries and stored as polygonal features. Pipes and components are not required for the Type B systems.

Type P systems represent "proposed" expansion areas or "proposed" new systems. Type P systems will be delineated by boundaries and stored as polygonal features. Pipes and mechanical components are not included in the mapping for Type P systems.

Type A, B, and P systems are defined as follows:

Type A Water System

Water Systems defined as public "Community Water Systems" by the NC Department of Environment, Health, and Natural Resources are classified as Type A Water Systems. Type A Water Systems are existing systems for provision to the public of piped water for human consumption which serve fifteen (15) or more connections or which regularly serve at least 25 year- round residents.

Type B Water System

Type B Water Systems are existing systems defined as public "Community Water Systems", which generally represent small private, mobile home, multi-family housing or single subdivision systems and have very limited potential future economic development impact.

Type P Water System

Type P Water Systems are planned or proposed public community water system service areas where public systems do not currently exist and are outside of current service area boundaries. Type P system are areas which have been identified as having sufficient need and population density to support viable public systems and which have an existing minimum potential user density of 20 existing potential connections per mile of waterline.

The dataset for the water distribution system contains a large amount of descriptive information about each component and the service area. The descriptive information is contained in attribute tables that are linked to each geographic feature in the database. The attribute contents of the water distribution systems geographic dataset are listed in the Attribute Listing for Water Distribution Systems beginning on page 9. Attribute data field names and domain values are itemized for the Water Distribution Systems dataset in Table 1 beginning on page 12. Additional system owner information is stored in a table described in Section 5 on page 38.

Geometric Representation

Water Distribution System (Type A, Type B and P) service areas are to be delineated by boundaries and in the geometric form of one or more contiguous or non-contiguous polygons. Type A, B, and P systems will be stored in separate geographic data files. In circumstances where systems are small and can only be delineated by a point, a polygon is to be generated using a radius of 50 feet.

Mechanical components of the Water Distribution System - Type A are to be delineated as either lines or points. Pipelines will be collected and stored as lines in one geographic data file. Facilities/devices will be collected and stored as points in a separate geographic data file for each facility/device type.

All geographic data files are to be topological.

Geographic Coordinate System, Datum, and Unit of Measure

The water distribution systems datasets will be geo-referenced using the N.C. State Plane Coordinate System (NAD83).

The unit of measurement will be metric.

Annotation

Specifications for annotation of facilities and pipes for this dataset are not included in the standard. All relevant information for each feature is assumed to be recorded as an attribute in the database. Annotation, if desired, should be considered as an optional specification for consideration at the time of data collection or maintenance.

Metadata

Metadata, or data about data, are required for each geographic dataset. Beginning January 1995, all federal organizations involved in the development of geographic data must comply with the Federal Geographic Data Committee's (FGDC) Content Standards for Digital Geospatial Metadata. The FGDC Standard has been adopted by the North Carolina Geographic Information Coordinating Council and is now required for all data submitted to the North Carolina Corporate Geographic Database. The Center for Geographic Information and Analysis has implemented the Federal Content Standard for Digital Geospatial Metadata for all datasets currently in the Corporate Geographic Database and will assist in the development of complete metadata for corporate data layers.

Symbology

Graphic symbols of facilities and pipes for this data layer are not included in the standard. Symbology is considered a product generation standard and not a content issue. However, all relevant information pertaining to symbology are presumed to be recorded as an attribute in the database. Symbology should be considered as an optional specification for consideration at the time of product generation.

Attributes

Physical characteristics and descriptive information about each system and component are contained within the attribute table of each data file. Geometric features such as polygons, lines, nodes, and points identify the location or boundary of a feature in the dataset. An attribute or a set of attributes describe each feature in the dataset. Attribute field names, data type, field domain, and additional comments are described in Table 1 - Attribute Names, Field Definitions, and Supplementary Data Definitions for Water Distribution System Features. A list of all descriptive information for the Water Distribution Systems Dataset follows:

List 2 - Summary of Water Distribution Systems Attribute Fields

Water Distribution Systems - Type A
System Identification Number
Name of System
Owner Identification Number
Part Indicator
Total Parts
Original Construction Year
Description of Service Area
Supply Sources
Customer Connections - Residential
Customer Connections - Non-Residential
Customer Connections - Bulk Purchasers
Maximum Daily Usage
Average Daily Usage
User Charges - Residential
User Charges - Non-Residential
User Charges - Bulk Purchasers
Average Monthly Usage Per Customer - Residential
Average Monthly Usage Per Customer - Non-Residential
Average Monthly Usage Per Customer - Bulk Purchasers
Inter Basin Transfer
Problems and Needs
Recommendations
Improvement Cost
Expansion Indicator
Maximum Daily Usage - FY2000
Maximum Daily Usage - FY2010
Maximum Daily Usage - FY2020
Average Daily Usage - FY2000
Average Daily Usage - FY2010
Average Daily Usage - FY2020

Water Distribution System - Type B Service Areas
System Identification Number
Name of System
Population Served
Contact Person
Contact Telephone

Water Distribution System - Type P Service Areas
System Identification Number
Parent ID
New Cost

Water Distribution System Pipes
System Identification Number
Original Construction Year
Renovation Year - Most Recent
Material
Diameter

Wells, Groundwater Intakes
Groundwater Intake Well Identification Number
Original Construction Year
Renovation - Most Recent
Safe Yield

Intakes, Surface Water
Surface Water Intake - ID
Surface Water Intake - Year of Original Installation
Surface Water Intake - Year of Most Recent Renovation
Surface Water Intake Flow Capacity

Water Storage Tanks
Water Storage Tank - ID
Water Storage Tank Location Descriptor
Water Storage Tank Year of Original Construction
Water Storage Tank Year of Most Recent Renovation
Water Storage Tank Type
Water Storage Tank Utilization
Water Storage Tank Material
Water Storage Tank Bottom Elevation
Water Storage Tank Overflow Elevation
Water Storage Tank Storage Capacity

Water Pumping Stations
Water Pumping Station ID
Water Pumping Station Location Descriptor
Water Pumping Station Year of Original Construction
Water Pumping Station Year of Most Recent Renovation
Water Pumping Station Pumping Capacity

Water Treatment Plants
Water Treatment Plant ID
Water Treatment Plant Year of Original Construction
Water Treatment Plant Year of Most Recent Renovation
Water Treatment Plant Permitted Plant Capacity
Water Treatment Plant Maximum Daily Production
Water Treatment Plant Average Daily Production
Water Treatment Plant Type of Water Treatment Technology
Water Treatment Plant Estimated Area

Master Meters
Master Meter ID
Master Meter Year of Original Construction
Master Meter Year of Most Recent Renovation
Master Meter Size
Master Meter Maximum Available for Purchase Daily

Table 1- Definitions of Attribute Fields for Water Distribution Systems

POLYGON ATTRIBUTES
Feature Category	Attribute	Data Field Name	Data Type	Domain and Units	Comments
Water System - Type A					Boundary of legally defined service area, including additional areas being served. Exclude outside areas for which service is planned; these are P systems. Exclude area surrounding intake mains where no customers exist.
	System ID	WASYID	Text	7 characters	Public Water Supply Permit Number (retain leading zero(s))
	Name of System	WASYNAME	Text	50 characters
	Owner ID (One)	WSSYOW1	Text	00000 - 99999	Assign unique number for each within state. Owner ID may be same for a water and a sewer system. Use supplementary table 'TOWNER' for additional information about system owners.
	Owner ID (Second, if applicable)	WSSYOW2	Text	00000 - 99999	Additional Owner ID, if multiple owners
	Owner ID (Third, if applicable)	WSSYOW3	Text	00000 - 99999	Additional Owner ID, if multiple owners
	Owner ID (Fourth, if applicable)	WSSYOW4	Text	00000 - 99999	Additional Owner ID, if multiple owners
	Owner ID (Fifth, if applicable)	WSSYOW5	Text	00000 - 99999	Additional Owner ID, if multiple owners
	Part Indicator	WASYPART	Integer	1,2,3,4,5,6,7,8,or 9	If the information for any field in polygon attributes has possible multiple values (for different parts of the whole), then the system must be characterized as separate systems that form parts of the whole and each part makes separate record(s).
	Total Parts	WASYTOPT	Integer	1,2,3,4,5,6,7,8,or 9	Total parts in entire system. See Part Indicator.
	Original Construction Year	WASYCSTR	Integer	4 digits	Exclusive of pipes. Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960").
	Description of Service Area	WASYDESC	Text	50 characters	Brief description of extent of service area. Must cover area for which permit is issued.
	Supply Sources	WASYSUPP	Text	50 characters	Brief list of all supply sources by name, separated by commas.
	Customer Connections - Residential	WASYCCR	Integer	000000 - 999999	Number of residential customer connections for finished water, most recent June 30th. "0" if none, "999999" if unknown.
	Customer Connections - Non-Residential	WASYCCNR	Integer	000000 - 999999	Number of non-residential customer connections for finished water, most recent June 30th. "0" if none, "999999" if unknown.
	Customer Connections - Bulk Purchasers	WASYCCBP	Integer	000000 - 999999	Number of bulk purchaser connections for finished water, most recent June 30th. "0" if none, "999999" if unknown.
	Maximum Daily Usage	WASYMAXD	Numeric	000.000 - 999.999 millions of gallons per day	Maximum daily usage during fiscal year ending most recent June 30. "0" if none, "999.999" if unknown.
	Average Daily Usage	WASYAVGD	Numeric	000.000 - 999.999 millions of gallons per day	Average daily usage during fiscal year ending most recent June 30. "0" if none, "999.999" if unknown
	User Charges - Residential	WASYCGR	Numeric	000.00 - 999.99 dollars	Average monthly charge per customer for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly charges divided by monthly number of customers. Omit dollar sign. "0" if none, "999.99" if unknown.
	User Charges - Non-Residential	WASYCGNR	Numeric	9999999.99 dollars	Average monthly charge per customer for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly charges divided by monthly number of customers. "0" if none, "9999999.99" if unknown.
	User Charges - Bulk Purchaser	WASYCGBP	Numeric	9999999.99 dollars	Average monthly charge per bulk purchaser connection for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly charges divided by monthly number of bulk purchaser connections. "0" if none, "9999999.99" if unknown.
	Average Monthly Usage Per Customer - Residential	WASYAMR	Integer	999999 gallons per month	Average monthly usage per customer for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly usage divided by monthly number of customers. "0" if none, "999999" if unknown
	Average Monthly Usage Per Customer - Non-Residential	WASYAMNR	Integer	000000000-999999999 gallons per month	Average monthly usage per customer for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly usage divided by monthly number of customers. "0" if none, "999999999" if unknown
	Average Monthly Usage Per Customer - Bulk Purchaser	WASYAMBP	Integer	000000000-999999999 gallons per month	Average monthly usage per bulk purchaser connection for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly usage divided by monthly number of bulk purchaser connections. "0" if none, "999999999" if unknown
	Inter-Basin Transfer	WASYIBTR	text	Y or N	Yes (Y) if there is transfer of water from one water basin to another by this water distribution system. Otherwise, no (N).
	Problems and Needs	WPRJNEED	text	254 characters	Brief narrative documenting current conditions, problems, and needs, citing compliance with federal standards.
	Recommenda- tions	WPRJREC	text	254 characters	Brief narrative listing recommendations for improving the system
	Improvement Cost	WPRJCOST	Integer	0000000 - 9999999 thousands of dollars	Estimated cost in current dollars to implement recommendations for improving the system including expansion within current service area boundary (excluding any plans for expanding service area boundaries).
	Expansion Indicator	WPRJEXP	text	Y or N	Yes, if recommend expanding current service area boundaries of this system. Otherwise, no.
	Maximum Daily Usage - 2000	WPRJMU00	Numeric	000.000 - 999.999 millions of gallons per day	Projected maximum daily usage during fiscal year ending June 30, 2000. "999.999" if unknown
	Maximum Daily Usage - 2010	WPRJMU10	Numeric	000.000 - 999.999 millions of gallons per day	Projected maximum daily usage during fiscal year ending June 30, 2010. "999.999" if unknown
	Maximum Daily Usage - 2020	WPRJMU20	Numeric	000.000 - 999.999 millions of gallons per day	Projected maximum daily usage during fiscal year ending June 30, 2020. "999.999" if unknown
	Average Daily Usage - 2000	WPRJAU00	Numeric	000.000 - 999.999 millions of gallons per day	Projected average daily during fiscal year ending June 30, 2000. "999.999" if unknown
	Average Daily Usage - 2010	WPRJAU10	Numeric	000.000 - 999.999 millions of gallons per day	Projected average daily usage during fiscal year ending June 30, 2010. "999.999" if unknown
	Average Daily Usage - 2020	WPRJAU20	Numeric	000.000 - 999.999 millions of gallons per day	Projected average daily usage during fiscal year ending June 30, 2020. "999.999" if unknown
Water System - Type B				All Type B systems will be recorded as polygons, regardless of size. Systems too small to outline should be represented as a circle with a 50 foot radius.
	System ID	WBSYID	Text	7 characters	Public Water Supply permit number.
	Name of System	WBSYNAME	Text	50 characters
	Population Served	WBSYPOP	Integer	000000 - 999999 persons	Estimate if unknown
	Contact Person	WBSYCONT	Text	25 characters	First name and last name, no titles or middle names.
	Contact Telephone	WBSYPHON	Text	xxx-xxx-xxxx
Water System - Type P				Boundary determined by current need and viability. Includes contiguous areas (outside any current water system service area) that average at least 20 existing potential connections per linear highway/street mile. May or may not abut existing system(s).
	System ID	WPSYID	Text	7 characters	First digit is a 9, the next three are county FIPS code (primary county if crosses counties), and the final three set as desired, to avoid duplicating an existing system ID. Initial 9 indicates "new" or "P" system.
	Parent ID	WPSYPAR	Text	7 characters	ID of parent system, if this is a proposed expansion outside service area of a current system. Otherwise blank.
	New Cost	WPSYCOST	Numeric	000000.0 - 999999.9 in thousands of dollars	Cost in current dollars to put proposed system in place. Customer pool for driving cost estimates is to be derived from projections of population growth rates since 1970.
ARC ATTRIBUTES
Feature Category	Attribute	Data Field Name	Data Type	Domain and Units	Comments
Water Pipes					A new pipe segment is designated each time any pipe attribute changes. A segment of pipe may include many vertices.
	System ID	WASYID	Text	7 characters	Public Water Supply Permit Number (retain leading zero(s))
	Original Construction Year	WAPICSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown.
	Renovation - Most Recent	WAPIRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. Renovation is replacement or substantial repair/renovation of at least 400 linear ft. Renovation may require inserting nodes to create additional segments. "0" if none, "9999" if unknown.
	Material	WAPIMATR	Text	asbestos cement, cast iron, concrete, copper, ductile iron, galvanized steel, polystyrene, polyvinyl chloride, steel, unknown, other. 25 characters	Material currently in place. Declare one material type, exactly as shown
	Diameter	WAPIDIAM	Integer	00 - 99 inches	For systems owned by public entities, all pipes 6 inches and larger must be reported. For systems owned by other than public entities, all pipes 2 inches and larger must be reported. Smaller pipes may be reported. "99" if unknown.
POINT ATTRIBUTES
Feature Category	Attribute	Data Field Name	Data Type	Domain and Units	Comments
Wells, Groundwater Intake				Component of Type A systems
	ID, Groundwater Well	WAWEID	Text	13 characters	First three digits are FIPS county code; next 7 digits are water system ID, last 3 digits are assigned to be unique within county.
	Original Construction Year	WAWECSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown
	Renovation - Most Recent	WAWERENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown
	Safe Yield	WAWEYELD	Numeric	000.000 - 999.999 mgd	If water is purchased, there may be no well data and no safe yield. "0" if none, "999.999" if unknown
Intakes, Surface Water				Component of Type A systems
	ID, Surface Water Intakes	WAINID	Text	13 characters	First three digits are FIPS county code; next 7 digits are water system ID, last 3 digits are assigned to be unique within county.
	Original Construction Year	WAINCSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown
	Renovation - Most Recent	WAINRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown
	Flow Capacity	WAINFLOW	Numeric	000.000 - 999.999 mgd	7 day/10 year low flow
Water Storage Tanks				Component of Type A systems
	ID, Water Tanks	WATKID	Text	13 characters	First three digits are FIPS county code; next 7 digits are water system ID, last 3 digits are assigned to be unique within county.
	Location Descriptor	WATKLOC	Text	20 characters	Name of area of location.
	Original Construction Year	WATKCSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown
	Renovation - Most Recent	WATKRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown
	Type	WATKTYPE	Text	elevated, hydro-pneumatic, ground storage, other, unknown. 25 characters	Use one option for type, exactly as shown
	Utilization	WATKUTIL	Text	raw water, finished water. 25 characters	Use one option for type, exactly as shown
	Construction Material	WATKMATR	Text	metal, concrete, pond, lake, reservoir, other, unknown. 15 characters	Use one option for type, exactly as shown
	Elevation, Bottom	WATKEBOT	Numeric	00000.0 - 99999.9 feet above mean sea level	"99999.9" if unknown. Use 0.0 if WATKTYPE is hydropneumatic.
	Elevation, Overflow	WATKEOFL	Numeric	00000.0 - 99999.9 feet above mean sea level	99999.9 if unknown. Use 0.0 if WATKTYPE is hydropneumatic.
	Storage Capacity	WATKCPTY	Numeric	000.000 - 999.999 millions of gallons	999.999 if unknown
Water Pumping Stations				Component of Type A systems
	ID, Pumping Stations	WAPSID	Text	13 characters	First three digits are FIPS county code; next 7 digits are water system ID, last 3 digits are assigned to be unique within county.
	Location Descriptor	WAPSLOC	Text	50 characters	Name of area of location.
	Original Construction Year	WAPSCSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown
	Renovation - Most Recent	WAPSRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown
	Pumping Capacity	WAPSCPTY	Numeric	000000.0 - 999999.9 gallons per minute	"999999.9" if unknown
Water Treatment Plants				Component of Type A systems.
	ID, Treatment Plants	WATPID	Text	13 characters	First three digits are FIPS county code; next 7 digits are water system ID, last 3 digits are assigned to be unique within county.
	Original Construction Year	WATPCSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown
	Renovation - Most Recent	WATPRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown.
	Permitted Plant Capacity	WATPCPTY	Numeric	000.000 - 999.999 millions of gallons per day	"999.999 if unknown
	Maximum Daily Production	WATPMDP	Numeric	000.000 - 999.999 millions of gallons per day	999.999 if unknown
	Average Daily Production	WATPADP	Numeric	000.000 - 999.999 millions of gallons per day	999.999 if unknown
	Type of Water Treatment Technology	WATPTRMT	Text	Ground water w. disinfection, ground water w. reverse osmosis, ground water w. softener, ground water w. iron remover, ground water w. softener and iron removal, surface water w. direct filter, surface water w. coagulation, sedimentation and filter, other	Description of treatment type up to 100 characters. Use one or more options, exactly as shown. Also, use "unknown" if unknown.
	Estimated Area	WATPAREA	Numeric	00000.00 - 99999.99 acres	Estimate of area of water treatment plant. "99999.99" if unknown.
Master Meters				Component of Type A systems
	ID, Master Meters	WAMMID	Text	13 characters	First three digits are FIPS county code; next 7 digits are water system ID, last 3 digits are assigned to be unique within county.
	Original Construction Year	WAMMCSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown.
	Renovation - Most Recent	WAMMRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown.
	Size	WAMMSIZE	Integer	00-99 inches
	Max. Available for Purchase, Daily	WAMMMAAV	Numeric	000.000 - 999.999 million gallons per day	Maximum daily amount of water available for purchase at this meter site. "999.999 if unknown.
Hydrants (Optional)				Component of Type A systems. Locational data for this attribute are optional.

SECTION 4: Content Standard - Sanitary Sewer Systems

Definition

The Sanitary Sewer Systems (SSS) dataset includes information about the primary facilities, mechanical components, and collection lines that function as a discharge and treatment system for sewerage. The SSS dataset includes a delineation of the service area boundary of each sanitary sewer system. It also contains features of the locations of important mechanical components for the delivery and treatment of sewerage from the curbside connection point to the site where treated sewerage is released back into the natural environment. The database contains attributes that describe all or portions of each component of the system.

Three types of sanitary sewer systems exist for the digital sanitary sewer system inventory: Type A, Type B, and Type P. Type A systems are generally considered large systems and are represented in the dataset by a service area with a variety of system components. The components included in Type A systems are: sewer pipes, pumping stations, treatment plants, discharges, and land application areas.

Type B systems are generally smaller and are represented in the dataset as a service area. Type B systems will be delineated by boundaries and stored as polygonal features. Pipes and components are not required for the Type B systems.

Type P systems represent "proposed" expansion areas or "proposed" new systems. Type P systems will be delineated by boundaries and stored as polygonal features. Pipes and mechanical components are not included in the mapping for Type P systems.

Type A, B, and P systems are defined as follows:

Type A Sewerage Systems

Existing community sanitary sewer systems including collection lines, transport lines or pumping and treatment facilities which serve the general public and accept domestic wastewater are classified as Type A Sewerage Systems.

Type B Sewerage Systems

Type B Sewerage Systems are existing community sanitary sewer systems which serve the general public and accept domestic wastewater, but generally represent small, private, business, industrial, mobile home, multi-family housing or single subdivision systems which have very limited potential future economic development impact.

Type P Sewerage Systems

Type P Sewerage Systems are planned or proposed public community sanitary sewer system service areas, outside of current service area boundaries, where public systems do not currently exist. Type P systems are areas which have been identified as having sufficient need and population density to support viable public systems and which have an existing minimum potential user density of 40 existing potential connections per mile of wastewater collection line.

The dataset for the sanitary sewer system contains a large amount of descriptive information about each component and the service area. The descriptive information is contained in attribute tables that are linked to each geographic feature in the database. The attribute contents of the sanitary sewer systems geographic dataset are listed in the Attribute Listing for Sanitary Sewer System beginning on page 26. Attribute data field names and domain values are itemized for the Sanitary Sewer System dataset in Table 2 beginning on page 28. Additional system owner information is stored in a table described in Section 5 on page 38.

Geometric Representation

Sanitary Sewer Systems (Type A, Type B and Type P) service areas are to be delineated by boundaries and in the geometric form of one or more contiguous or non-contiguous polygons. Type A, B, and P systems will be stored in separate geographic data files. . In circumstances where systems are small and can only be delineated by a point, a polygon is to be generated using a radius of 50 feet.

Mechanical components of the Sanitary Sewer System - Type A are to be delineated as either lines or points. Pipelines will be collected and stored as lines in one geographic data file. Facilities/devices will be collected and stored as points in a separate geographic data file for each facility/device type.

All geographic data files will be topological.

Geographic Coordinate System, Datum, and Unit of Measurement

The sanitary sewer systems data sets will be geo-referenced using the NC State Plane Coordinate System (NAD83).

The unit of measurement will be metric.

Annotation

Specifications for annotation of facilities and pipes for this dataset are not included in the standard. All relevant information for each feature is assumed to be recorded as an attribute in the database. Annotation, if desired, should be considered as an optional specification for consideration at the time of data collection or modification.

Metadata

Metadata, or data about data, are required for each geographic dataset. Beginning January 1995, all federal organizations involved in the development of geographic data must comply with the Federal Geographic Data Committee's (FGDC) Content Standards for Digital Geospatial Metadata. The FGDC Standard has been adopted by the North Carolina Geographic Information Coordinating Council and is now required for all data submitted to the Corporate Geographic Database. The Center for Geographic Information & Analysis has implemented the Federal Content Standard for Digital Geospatial Metadata for all datasets currently in the Corporate Geographic Database and will assist in the development of complete metadata for corporate data layers.

Symbology

Graphic symbols of facilities and pipes for this data layer are not included in the standard. Symbology is considered as a product generation standard and not a content issue. However, all relevant information pertaining to symbology are presumed to be recorded as an attribute in the database. Symbology should be considered as an optional specification for consideration at the time of product generation.

Attributes

Physical characteristics and descriptive information about components are contained within the attribute table of each data set. Polygons, lines, areas, nodes, and points identify the location or boundary of a feature in the dataset. An attribute or a set of attributes describe each feature in the dataset. Attribute field names, data type, field domain, and additional comments are described in Table 2 - Attribute Names, Field Definitions, and Supplementary Data Definitions for Sanitary Sewer System Features. A list of all descriptive information for the Sanitary Sewer Systems Dataset follows:

List 3 - Summary of Sanitary Sewer Systems Attribute Fields

Sanitary Sewer System - Type A
System Identification Number
Name of System
Owner Identification Number
Part Indicator
Total Parts
Original Construction Year
Description of Service Area
Customer Connections - Residential
Customer Connections - Non-Residential
Customer Connections - Bulk Purchaser
Maximum Daily Flow
Average Daily Flow
User Charges - Residential
User Charges - Non-Residential
User Charges - Bulk Purchasers
Average Monthly Flow Per Customer - Residential
Average Monthly Flow Per Customer - Non-Residential
Average Monthly Flow Per Customer - Bulk Purchaser
Inter Basin Transfer Amount
Problems and Needs
Recommendations
Improvement Cost
Expansion Indicator
Maximum Daily Flow FY2000
Maximum Daily Flow FY2010
Maximum Daily Flow FY2020
Average Daily Flow FY2000
Average Daily Flow FY2010
Average Daily Flow FY2020

Sanitary Sewer System - Type B Service Areas
System Identification Number
Name of System
Population Served
Contact Person
Contact Telephone

Sanitary Sewer System - Type P Service Areas
System Identification Number
Parent System ID
New Cost

Sanitary Sewer System Pipe s
System Identification Number
Original Construction Year
Renovation Year - Most Recent
Material
Diameter
Type - Pressure, Gravity, Vacuum
Utilization Type - Interceptor, Outfall, Collection

Pumping Stations
Pumping Station - ID
Pumping Station Location Descriptor
Pumping Station Year of Original Construction
Pumping Station Year of Most Recent Renovation
Pumping Station - Capacity

Treatment Plants
Treatment Plant - ID
Treatment Plant Location Descriptor
Treatment Plant Year of Original Installation
Treatment Plant Year of Most Recent Renovation
Treatment Plant Permitted Flow Capacity
Treatment Plant Maximum Daily Flow
Treatment Plant Average Daily Flow
Treatment Plant Type of Treatment Technology
Treatment Plant Sludge Disposal Technology
Treatment Plant Infiltration/Inflow
Treatment Plant Estimated Area

Discharges
Discharge -ID
Discharge Location Descriptor
Discharge Year of Original Construction
Discharge Year of Most Recent Renovation

Land Application Areas
Land Application Area - ID
Land Application Area Year of Original Construction
Land Application Area Year of Most Recent Renovation
Land Application Area - Permit Expiration Date
Land Application Area - Estimated Area

Table 2 - Definitions of Attribute Fields for Sanitary Sewer Systems

POLYGON ATTRIBUTES
Feature Category	Attribute	Data Field Name	Data Type	Domain and Units	Comments
Sanitary Sewer System - Type A					Boundary of legally defined service area, including additional areas being served. Exclude outside areas for which service is planned; these are P systems. Exclude area surrounding intake mains where no customers exist.
	System ID	SSSYID	Text	7 characters	First three digits are FIPS county code (primary co. of location), next 4 digits are unique identifier. Note: cannot use permit number for discharge due to multiple discharges.
	Name of System	SSSYNAME	Text	50 characters
	Owner ID (One)	SSSYOW1	Text	00000 - 99999	Assign unique number for each within state. Owner ID may be same for a water and a sewer system. Use supplementary table 'TOWNER' for additional information about system owners.
	Owner ID (Second, if applicable)	SSSYOW2	Text	00000 - 99999	Additional Owner ID, if multiple owners
	Owner ID (Third, if applicable)	SSSYOW3	Text	00000 - 99999	Additional Owner ID, if multiple owners
	Owner ID (Fourth, if applicable)	SSSYOW4	Text	00000 - 99999	Additional Owner ID, if multiple owners
	Owner ID (Fifth, if applicable)	SSSYOW5	Text	00000 - 99999	Additional Owner ID, if multiple owners
	Part Indicator	SSSYPART	Integer	1,2,3,4,5,6,7,8, or 9	If the information for any field in polygon attributes table has possible multiple values (for different parts of the whole), then the system must be characterized as separate systems that form parts of the whole and each part makes separate record(s).
	Total Parts	SSSYTOPT	Integer	1,2,3,4,5,6,7,8, or 9	Total parts in entire system. See Part Indicator.
	Original Construction Year	SSSYCSTR	Integer	4 digits	Exclusive of pipes. Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"). "9999" if unknown.
	Description of Service Area	SSSYDESC	Text	50 characters	Brief description of service area. Must cover area for which permit is issued.
	Customer Connections - Residential	SSSYCCR	Integer	000000 - 999999	Number of residential customer connections for sanitary sewer, most recent June 30th. "0" if none, "999999" if unknown
	Customer Connections - Non-Residential	SSSYCCNR	Integer	000000 - 999999	Number of non-residential customer connections for sanitary sewer, most recent June 30th. "0" if none, "999999" if unknown
	Customer Connections - Bulk Purchasers	SSSYCCBP	Integer	00000 - 99999	Number of bulk purchaser connections for sanitary sewer, most recent June 30th. "0" if none, "99999" if unknown
	Maximum Daily Flow	SSSYMAXF	Numeric	000.000 - 999.999 millions of gallons per day	Maximum daily flow during fiscal year ending most recent June 30. "999.999" if unknown
	Average Daily Flow	SSSYADGD	Numeric	000.000 - 999.999 millions of gallons per day	Average daily flow during fiscal year ending most recent June 30. "999.999" if unknown
	User Charges - Residential	SSSYCGR	Numeric	000.00 - 999.99 dollars	Average monthly charge per customer for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly charges divided by monthly number of customers. "0" if none, "999.99" if unknown.
	User Charges - Non-Residential	SSSYCGNR	Numeric	0.00 - 9999999.99 dollars	Average monthly charge per customer for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly charges divided by monthly number of customers. "0" if none, "9999999.99" if unknown.
	User Charges - Bulk Purchasers	SSSYCGBP	Numeric	0.00 - 9999999.99 dollars	Average monthly charge per bulk purchaser connection for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly charges divided by monthly number of bulk purchaser connections. "0" if none, "9999999.99 if unknown.
	Average Monthly Flow Per Customer - Residential	SSSYAMR	Integer	999999 gallons per month	Average monthly usage per customer for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly Flow divided by monthly number of customers. "0" if none, "999999" if unknown.
	Average Monthly Flow Per Customer - Non-Residential	SSSYAMNR	Integer	999999999 gallons per month	Average monthly flow per customer for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly Flow divided by monthly number of customers. "0" if none, "999999999" if unknown.
	Average Monthly Flow Per Customer - Bulk Purchasers	SSSYAMBP	Integer	999999999 gallons per month	Average monthly flow per bulk purchaser connection for fiscal year ending last June 30. Average of 12 months, each calculated as total monthly Flow divided by monthly number of bulk purchaser connections. "0" if none, "999999999" if unknown.
	Inter-Basin Transfer	SSSYIBTR	Text	Y or N	Yes(Y) if there is transfer of wastewater or processed wastewater from one waterbasin to another by this sanitary sewer system. Otherwise, no (N).
	Problems and Needs	SPRJNEED	Text	254 characters	Brief narrative documenting current conditions, problems, and needs, citing compliance with federal standards.
	Recommenda-tions	SPRJREC	Text	254 characters	Brief narrative listing recommendations for improving the system.
	Improvement Cost	SPRJCOST	Integer	0000000 - 9999999 thousands of dollars	Estimated cost in current dollars to implement recommendations for improving the system including expansion within current service area boundary (excluding any plans for expanding service area boundaries).
	Expansion Indicator	SPRJEXP	Text	Y or N	Yes, if recommend expanding current service area boundaries of this system. Otherwise, no.
	Maximum Daily Flow - 2000	SPRJMF00	Numeric	000.000 - 999.999 millions of gallons per day	Projected maximum daily during fiscal year ending June 30, 2000. "999.999" if unknown
	Maximum Daily Flow - 2010	SPRJMF10	Numeric	000.000 - 999.999 millions of gallons per day	Projected maximum daily during fiscal year ending June 30, 2010. "999.999" if unknown
	Maximum Daily Flow - 2020	SPRJMF20	Numeric	000.000 - 999.999 millions of gallons per day	Projected maximum daily during fiscal year ending June 30, 2020. "999.999" if unknown
	Average Daily Flow - 2000	SPRJAF00	Numeric	000.000 - 999.999 millions of gallons per day	Projected average daily during fiscal year ending June 30, 2000. "999.999" if unknown
	Average Daily Flow - 2010	SPRJAF10	Numeric	000.000 - 999.999 millions of gallons per day	Projected average daily during fiscal year ending June 30, 2010. "999.999" if unknown
	Average Daily Flow - 2020	SPRJAF20	Numeric	000.000 - 999.999 millions of gallons per day	Projected average daily during fiscal year ending June 30, 2020. "999.999" if unknown
Sanitary Sewer System - Type B					All type B systems will be recorded as polygons, regardless of size. Systems too small to outline should be represented as a circle with a 50 foot radius.
	System ID	SBSYID	Text	7 characters	First three digits are FIPS county code (primary co. of location), next 4 digits are unique identifier.
	Name of System	SBSYNAME	Text	50 characters
	Population Served	SBSYPOP	Integer	000000 - 999999 persons	If unknown, provide best estimate of population
	Contact Person	SBSYCONT	Text	25 characters	First name and last name, no titles or middle names.
	Contact Telephone	SBSYPHON	Text	xxx-xxx-xxxx
Sanitary Sewer System - Type P					Boundary determined by current need and viability. Includes contiguous areas (outside any current sewer system service area) that average at least 40 existing potential connections per linear highway/street mile. May or may not abut existing system(s).
	System ID	SPSYID	Text	7 characters	First digit is a 9, the next three are county FIPS code, and the final three set as desired, to avoid duplicating an existing system ID. Initial 9 indicates "new" or "P" system.
	Parent ID	SPSYPAR	Text	7 characters	ID of parent system, if this is a proposed expansion outside service area of a current system. Otherwise blank.
	New Cost	SPSYCOST	Numeric	000000.0 - 999999.9 in thousands of dollars	Cost in current dollars to put proposed system in place. Customer pool for driving cost estimates is to be derived from projections of population growth rates since 1970.
ARC ATTRIBUTES
Feature Category	Attribute	Data Field Name	Data Type	Domain and Units	Comments
Sewer Pipes					A new pipe segment is designated each time any pipe attribute changes. A segment of pipe may include many vertices.
	System ID	SSSYID	Text	7 characters	First three digits are FIPS county code (primary co. of location), next 4 digits are unique identifier. Note: cannot use permit number for discharge due to multiple discharges.
	Original Construction Year	SSPICSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown.
	Renovation - Most Recent	SSPIRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown.
	Material	SSPIMATR	Text	ABS, asbestos cement, brick, cast iron, concrete, corrugated metal, ductile iron, fiberglass, galvanized steel, polystyrene, polyvinyl chloride, steel, vitrified clay, unknown, other. 25 chars.	Material currently in place. Declare one type, exactly as shown.
	Diameter	SSPIDIAM	Integer	00 - 99 inches	For gravity systems, all interceptors and forced mains must be reported, as well as all collection lines 8 in. and larger. For low pressure and other systems, all lines 2 in. and greater must be reported. Smaller pipes may be reported. "99" if unknown.
	Type - Pressure, Gravity, Vacuum	SSPITYPGV	Text	pressure, gravity, vacuum, other, unknown. 15 characters.	Negative pressure implies a vacuum.
	Utilization Type - Interceptor, Outfall, Collection	SSTYIOC	Text	interceptor, outfall, collection, other, unknown. 15 characters.	State one option, exactly as shown.
POINT ATTRIBUTES
Feature Category	Attribute	Data Field Name	Data Type	Domain and Units	Comments
Pumping Stations					Component of Type A system
	ID, Pumping Station	SSPSID	Text	11 characters	First 7 digits are same as those of sewer system ID, last 4 digits are unique identifying code within system. Note fewer digits in last segment may be practical.
	Location Descriptor	SSPSLOC	Text	30 characters	Name of area of location.
	Original Construction Year	SSPSCSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown.
	Renovation - Most Recent	SSPSRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown.
	Capacity	SSPSCPTY	Integer	000000 - 999999 gallons per minute	"999999" if unknown
Treatment Plants					Component of Type A system
	ID, Treatment Plant	SSTPID	Text	7 characters	National Pollutant Discharge Elimination System Identification Number assigned by NC Div. of Environmental Management (Exclude "NC").
	Location Descriptor	SSTPLOC	Text	20 characters	Name of area of location.
	Original Construction Year	SSTPCSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown.
	Renovation - Most Recent	SSTPRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none. "9999" if unknown
	Permitted Flow Capacity	SSTPCPTY	Numeric	00000.0 - 999.999 mgd	7 day, 10 year low flow. "999.999" if unknown
	Maximum Daily Flow	SSTPMDPR	Numeric	000.000 - 999.999 mgd	999.999 if unknown
	Average Daily Flow	SSTPADPR	Numeric	000.000 - 999.999 mgd	999.999 if unknown
	Type of Treatment Technology	SSTPTRMT	Text	Stabilization lagoon, secondary treatment, advanced secondary treatment, tertiary treatment, secondary treatment plus nutrient removal, tertiary treatment plus nutrient removal, land application, created wetlands, rapid infiltration, other. 100 chars.	State one or more options, exactly as shown. Also use "unknown" if unknown.
	Sludge Disposal Technology	SSTPSLUD	Text	50 characters	Brief, free text to describe sludge disposal treatment and handling
	Infiltration/Inflow	SSTPINFT	Numeric	000.000 - 999.999 millions of gallons per day	Estimate of system-wide maximum daily infiltration/inflow measured at the plant. "999.999 if unknown
	Estimated Area	SSTPAREA	Numeric	000000.00 - 999999.99 acres	Estimate of total area (excluding land application area extent). "999999.99" if unknown
Discharges					Component of Type A system
	ID, Discharges	SSTPDCID	Text	10 characters	7 digits from the Treatment Plant ID (National Pollutant Discharge Elimination System Identification Number) and the 3 digit outfall code.
	Location Descriptor	SSDCLOC	Text	30 characters	Name of area of location. Include name of stream in location descriptor.
	Original Construction Year	SSDCCSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown
	Renovation - Most Recent	SSDCRENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown
Land Application Areas					Component of Type A system.
	ID, Land Application Areas	SSTPLAID	Text	11 characters	Nine digits: seven digit Land Application Number (exclude 'WQ') and two digits for unique identifier.
	Original Construction Year	SSLACSTR	Integer	4 digits	Use closest decade if exact year is unknown (e.g., if the original construction year was sometime between 1965 and 1970, specify "1970"; likewise if you believe it to be sometime between 1960 and 1964, specify "1960"). "9999" if unknown
	Renovation - Most Recent	SSLARENV	Integer	4 digits	Estimate of the year (or decade) of the most recent renovation. "0" if none, "9999" if unknown
	Permit Expiration Date	SSLADATE	Date	YYMMDD
	Estimated Area	SSLAAREA	Numeric	000000.00 - 999999.99 acres	Estimate of area. "999999.99" if unknown.

SECTION 5: Content Standard - Supplementary Owner Information

Additional Information about Water Distribution and Sewer System Owners are stored as a data table in the dataset. The data is linked to the systems data files through the owner identification number.

List 4 - Supplementary System Owner Information

Owner ID
Owner Name
Owner Type
County of Owner
Bond Rating, NC Municipal Council
Capital Improvement Plan Availability
Cash Reserves
Outstanding Indebtedness - Water
Outstanding Indebtedness - Sewer

Table 3- Definitions of Attribute Fields for Owners

Supplemental Table: TOWNER
Attribute	Data Field Name	Data Type	Domain and Units	Comments
Owner ID	WSSYOWID	Text	00000 - 99999	Assign unique numbers statewide. May have same owner ID for a water and sewer system.
Owner Name	WSSYOWNM	Text	50 characters
Owner Type	WSSYOWTP	Text	town, city, county, water dst, sewer dst, wat & sew dst, metro wat dst, metro sew dst, metro wat&sew dst, wat auth, sew auth, wat&sew auth, sanitary dst, state, fed, non-profit, profit corp, private, special purpose dst, home owner assoc., other. 50 chars.	Also use "unknown" if unknown.
County of Owner	WSCOFIPS	Text	001 - 199	FIPS Code. County of Business Address of System Owner.
Bond Rating, NC Municipal Council	WSSYOWRA	Text	000 - 100, or "NR" for No Rating, or "NSR" for Not Subject to Rating.	Use North Carolina Municipal Council, Inc. Ratings of Counties, Cities, and Towns. Latest Available Publication.
Capital Improvement Plan Availability	WSSYOWCI	Text	Y or N
Cash Reserves	WSSYOWCR	Numeric	0000000.0 - 9999999.9 thousands of dollars	Based on latest audit. Omit dollar sign.
Outstanding Indebtedness - Water	WSSYOWIW	Numeric	0000000.0 - 9999999.9 thousands of dollars	Based on latest audit. Omit dollar sign.
Outstanding Indebtedness - Sewer	WSSYOWIS	Numeric	0000000.0 - 9999999.9 thousands of dollars	Based on latest audit. Omit dollar sign.

Glossary

Component
Any natural or man-made entity that is a categorical part of a water distribution or a sanitary sewer system. Examples of components may include water tanks, sewer pipes, and fire hydrants.

Discharge
The point at which treated wastewater is released into a receiving stream or body of water.

Feature
The unique segment or part of a system that is spatially represented by a geometric figure, such as a polygon, line, point, or node.

Wells, Ground Water Intake
The location at which raw water is drawn into the water system from an underground source.

Hydrant
An upright pipe with a nozzle or spout for drawing water from a water main.

Intake, Surface Water
The location at which raw water is drawn into the water system from a surface water source.

Land Application Area
An area on which treated wastewater or sludge is applied to be absorbed into the soil.

Master Meter
A device generally used to measure the volume of water flow to bulk purchasers whereby the water is intended for resale to users within the purchaser's system.

Sanitary Sewer Pumping Station
Any device or facility used to force wastewater from one elevation or location to another within a wastewater system.

Sanitary Sewer System
All facilities used to collect, treat, pump, and dispose of sewerage. All facilities The area serviced by the Sanitary Sewer System The boundaries comprising the sanitary sewer system may or may not be coincident with the water distribution system.

Sanitary Sewer System - Type A
Existing community sanitary sewer systems including collection lines, transport lines or pumping and treatment facilities which serve the general public and accept domestic wastewater are classified as Type A Sewerage Systems.

Sanitary Sewer System - Type B
Type B Sewerage Systems are existing community sanitary sewer systems which serve the general public and accept domestic wastewater, but generally represent small, private, business, industrial, mobile home, multi-family housing or single subdivision systems which have very limited potential future economic development impact.

Sanitary Sewer System - Type P
Type P Sewerage Systems are planned or proposed public community sanitary sewer system service areas, outside of current service area boundaries, where public systems do not currently exist. Type P systems are areas which have been identified as having sufficient need and population density to support viable public systems and which have an existing minimum potential user density of 40 existing potential connections per mile of wastewater collection line.

Sanitary Sewer Treatment Plant
A facility used to treat wastewater and the related appurtenant works.

Sewer Pipe
A pipe that is used to carry wastewater from one location in the system to another.

Water Pipe
A pipe that is used to carry water from one location to another in a water supply or distribution system.

Water Distribution System
All facilities used to supply, treat, store, and distribute water. The boundaries comprising the water system may or may not be coincident with the Sanitary Sewer System .

Water Distribution System - Type A
Water Systems defined as public "Community Water Systems" by the NC Department of Environment, Health, and Natural Resources are classified as Type A Water Systems. Type A Water Systems are existing systems for provision to the public of piped water for human consumption which serve fifteen (15) or more connections or which regularly serve at least 25 year- round residents.

Water Distribution System - Type B
Type B Water Systems are existing systems defined as public "Community Water Systems", which generally represent small private, mobile home, multi-family housing or single subdivision systems and have very limited potential future economic development impact.

Water Distribution System - Type P

Type P Water Systems are planned or proposed public community water system service areas where public systems do not currently exist and are outside of current service area boundaries. Type P system are areas which have been identified as having sufficient need and population density to support viable public systems and which have an existing minimum potential user density of 20 existing potential connections per mile of waterline.

Water Pumping Station
A device or facility used to force water from one elevation or location to another within the water supply or distribution system.

Water Storage Tank
A natural or manmade facility where water is stored for the water system.

Water Treatment Plant
A facility where raw water is treated and purified for human consumption.

Part of the North Carolina Geographic Information Coordinating Council