GIS Data Catalog

Wellhead Protection Areas - 5 Year Time of Travel

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Summary

This data set is used as a reference layer for geographic information systems to show the approximate locations of public water supply wellhead protection areas in King County.

Description

Polygons depict time of travel estimates for active public drinking water supplies.

Source location data were obtained from the Washington State Department of Health, Office of Drinking Water.

Layer information

Layer Name	kcwhpa_5yr_wadoh_area
Subject Category	Utilities
Title	Wellhead Protection Areas - 5 Year Time of Travel
Feature Count	338
Feature Type	Polygon
Next Update	Annually
Spatial reference	EPSG:2926
Control ID	3020
Place Keywords	Washington, WA, USA
Theme Keywords	DOH, Group B, Well, Drinking Water Souces, Group A, Water, Public Water Supplies, Wellhead, TOT, Protection, WHPA, Health, Environment, Location, Utilitiescommunication
Supplemental Information	None

Table Preview

Attribute information

QtrQtrSection From odwpd.Source	Description Quarter Quarter Section Domain PLS quarter quarter section
Township From odwpd.Source	Description Township Domain PLS Township - all are north
SrcTypeDesc From Sentry	Description Type of Source Domain Ground Water - RI Gallery - Groundwater well in a rainey infiltration gallery Ground Water - Spring - Source is a spring Ground Water - Spring Field - Source is a general location in an area of springs Ground Water - Spring Field Spring - Source is a spring within a spring field Ground Water - Well - Source is a stand-alone well Ground Water - Well Field Well - Source is a well within a well field Other - Non-standard source type Sea Water - Source is using desalination Surface - Source is from surface water
SrcNum From Sentry	Description Source number Domain Number of source defined by the Office of Drinking Water
SrcStatusIndDesc From Sentry	Description Source Status Domain Active - Source is active
SrcRootId From Sentry	Description Database identifier Domain 1 to 400000 by
OBJECTID From ESRI	Description Internal feature number. Domain Sequential unique whole numbers that are automatically generated.
SHAPE From ESRI	Description Feature geometry. Domain Coordinates defining the features.
ProtectionAreaType From GIS	Description Protection Area Type Domain Assigned - Assigned time of travel CFR - Calculated Fixed Radius SW - Surface Water Protection Area Model - Modelled protection area
SrcUseCodeDesc From Sentry	Description Use of Source Domain Emergency - Source is only used in an emergency Permanent - Source is permanent Seasonal - Source is only used certain times of the year
WRIA From Sentry	Description Water Resource Inventory Area Name Domain Name
Section_PLSS No Source Noted	Description Not Found Domain Not Found
Range_PLSS No Source Noted	Description Not Found Domain Not Found
ResConnections From Sentry	Description Residential connections Domain 0 to 160347 by
DesignCap From Sentry	Description Capacity in GPM for source Domain 0 to 9999 by
FTResPopulation From Sentry	Description Full Time Residential Population Domain 0 to 720000 by
Region From Office of Drinking Water	Description Office of Drinking Water regional office oversight for water systems Domain SW - Southwest region - Water systems in southwestern Washington including olympic penninsula EA - Eastern region - water systems in eastern washington NW - Northwest region - water systems in central puget sound area
TRS From GIS Calculated	Description Concatenation of township, range and section Domain TRS
FloodInd From odwpd.Source	Description Flood Indicator Domain Y - Source is susceptible to flooding N - Source is not susceptible to normal flooding
SourceID From Sentry	Description Database ID for linking tables Domain 6 to 396938 by
PwsId From Sentry	Description Public water system identifier. Domain Alpha-numeric code assigned by the Office of Drinking Water.
Updated From GIS Calculated	Description Date the update script was run and the dataset created. Domain Date
FirstNm_PriContact No Source Noted	Description Not Found Domain Not Found
LastNm_PriContact No Source Noted	Description Not Found Domain Not Found
Phone_PriContact No Source Noted	Description Not Found Domain Not Found
SrcTot5yr From SAS	Description TOT distance in feet Domain Distance
Address2_PriContact No Source Noted	Description Not Found Domain Not Found
DroughtInd From Sentry	Description Drought indicator Domain Y - Source is known to be susceptible to drought N - Source is not know to be susceptible to drought
State_PriContact No Source Noted	Description Not Found Domain Not Found
SystemName From Sentry	Description Common name of public water system. Domain Water system name
Email_PriContact No Source Noted	Description Not Found Domain Not Found
InternalOnlyInd From GIS	Description Internal Only Indicator Domain Y - Source location should not be released
SrcTot10yr From SAS	Description 10 Year Time of Travel Distance in feet Domain Distance in feet
WS_Zip From Sentry	Description Water System Zip Code Domain 5 digit Zip Code
SrcEffectiveDate From Sentry	Description Source Effective Date Domain Effective Date
WS_Address From Sentry	Description Water System Address Domain Mailing Address
SrcName From Sentry	Description Source name Domain Name of the source as defined by the Office of Drinking Water
SrcTot6mo From SAS	Description 6 Month Time of Travel Distance in feet Domain Distance in feet
SrcTot1yr From SAS	Description 1 Year Time of Travel Distance in feet Domain Distance in Feet
OrgLEId From Sentry	Description Legal entity database id of water system owner Domain Database foreign key
PwsSrcId From GIS	Description Concatenation of Pwsid and SrcNum. Domain Concatenation of Pwsid and Srcnum as defined by the Office of Drinking Water.
SrootId From Sentry	Description Source root id Domain Database id number
MaxTotalPop From Sentry	Description Total population designed to serve Domain 0 to 878000 by
TOTMOD From GIS	Description Time of travel type Domain A - Assigned the default distance C - Calculated fixed radius distance
SrcSusceptibility From Sentry	Description Source Susceptibility to contamination Domain M - Source has moderate susceptibility to contaminants H - Source has high susceptibility to contaminants L - Source has low susceptibility to contaminants U - Source is unrated N - Source has not been rated for susceptibility
SurfaceInd From Sentry	Description Surface Indicator Domain Y - Source is influenced by surface water N - Source is not influenced by surface water P - Unknown U - Unknown
SystemGroup From Sentry / WAC	Description Public water system group Domain B - Group B Water System A - Group A Water System
LERootId From Sentry	Description Legal Entity Database identifier Domain Foreign key
SrcInactiveDate From Sentry	Description Source Inactive Date Domain Inactive Date
LatLongMethod From Sentry	Description Latitude/Longitude Method Domain Free text describing method used to establish the latitude and longitude of the source.
WS_City From Sentry	Description Water System City Domain Name
SrcWellDepth From Sentry	Description Source welldepth Domain 0 to 9999 by
County From Sentry	Description Administrative county for the water system Domain Counties in Washington State
PwsStatusInd From Sentry	Description Water System Status Indicator Domain I - Inactive A - Active
TotalConnections From Sentry	Description Total connections Domain 0 to 173833 by
SystemType From Sentry / WAC	Description Type of public water system Domain NTNC - Non-transient Non-community water system GRPB - Group B Water System TNC - Transient non community water system COMM - Community Water System
SrcSuscDesc No Source Noted	Description Not Found Domain Not Found
SysTypeDesc No Source Noted	Description Not Found Domain Not Found
BUFF_DIST No Source Noted	Description Not Found Domain Not Found
ORIG_FID No Source Noted	Description Not Found Domain Not Found
WRIA_Num From Sentry	Description Water Resource Inventory Area Number Domain Number
SrcId No Source Noted	Description Not Found Domain Not Found
LocAccuracy From Sentry	Description Estimated accuracy of the source location Domain Distance (combine with LocUOM for units)
AllSources_OBJECTID No Source Noted	Description Not Found Domain Not Found
LocUOM From Sentry	Description Units of measure for the LocAccuracy value Domain Free text
LocOrg From Sentry	Description Organization that collected the source location Domain Free Text
LocName From Sentry	Description Operator that calculated the source position Domain Free Text
LocDesc From Sentry	Description Description of the method used to calculate the source position. Domain Free Text
LocDate From Sentry	Description Date the position of the source was recorded Domain Date
Edited From GIS	Description Value is for internal use, defines the type of edit pending in ArcMap. Domain 0 - No position edit is pending 1 - Position edit is pending approval 2 - Position edit has been approved 3 - Position edit has been rejected
EditX From GIS	Description WGS84 Longitude of new position Domain Coordinate
EditY From GIS	Description WGS84 Latitude of new position Domain Coordinate
TOT From GIS	Description Time of travel Domain 1 Year - Polygon depicts a 1 year time of travel 10 Year - Polygon depicts a 10 year time of travel 5 Year - Polygon depicts a 5 year time of travel 6 Month - Polygon depicts a 6 month time of travel 600 Feet - Polygon depicts a default time of travel for group b sources 1000 Feet - Polygon depicts a default time of travel for group a sources
Model From GIS	Description Is the polygon the result of a groundwater model Domain 1 - Yes NULL - No
EQUIS_ID No Source Noted	Description Not Found Domain Not Found
DOEWellTag From Sentry	Description Ecology Well Tag Domain Well tag from Department of Ecology
Shape.STArea() From SQL Server	Description Returns the area of a geometry instance in square units, based on the spatial reference identifier (SRID) of the geometry. Domain Double
Shape.STLength() From SQL Server	Description Returns the total length of the elements in a geometry instance. Domain Double

Contact information

Maintained by	DNRP - Water and Land Resources
Primary	Harkeerat Kang Harkeerat.Kang@kingcounty.gov

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