King County GIS Center
King Street Center
201 S. Jackson St.
Suite 706
Seattle, WA 98104

+ 47.59909 N
- 122.33136 W

+ 47°  35' 56.72"
- 122° 19' 52.90"


Wellhead Protection Areas - One Year Time of Travel

Description | Contacts | Attribute Information | Constraints

Data layer thumbnail image


Layer name: KCWHPA_1YR
Subject category: utility
Title: Wellhead Protection Areas - One Year Time of Travel
Feature Count: 264
Feature Type: Polygon
Abstract: Wellhead Protection Areas "Time of Travel" for Group A Wells - the area where contamination can flow into the well over a 1 year travel time.
Purpose: Well Head Protection Areas are designed to show where contamination can flow into a well. Delineation of these zones is part of U.S. EPA Source Water Protection Program. The different areas show how long it would take contamination to reach the well: 1 year "time-of-travel" zones.
Status: Complete
Updated: None planned
Time period of content: (single date,as YYYYMMDD):: 20001213
Time period of content: (date range, as YYYYMMDD):: -
Spatial reference: WA State Plane North
FGDC Documentation: Classic or FAQ
Open Data Availability: Unknown
Place Keywords: Pacific NW, King County, WA, Washington state,
Theme Keywords: utility, contamination, wellhead,
Lineage: Available
Supplemental Information: None


Maintained by:
King County Dept. of Natural Resources and Parks, Water and Lands Resources Division
Primary: Ken Rauscher, GIS Analyst, 206-296-1922
(How to e-mail a County contact)
Secondary: KCGIS Center; This mailbox is monitored during business hours.

Attribute Information

_PWS_ID_Public Water System unique ID number.5 digit number.
_WHPA_Type of Well Head Protection Area.
_TOT_1YR_Radius of Well Head Protection Area for CFR type WHPA: 1 yr travel time.
Range Min:0
Range Max:3110
_PWS_SRC_ID_Public Water System identifier number and source number.Cocantenated Public Water System ID number (5 digit) and Source number (2 digit)
_SRC_NUM_Public Water System source number.Two digit number.


Access: None

Use: King County data are made available with the understanding that they shall be used exclusively by the obtainer or his/her authorized agents. Digital products may not be reproduced or redistributed in any form or by any means without the express written authorization of King County.