POTHOLES STATE PARK

Washington — Transient Non-Community — PWSID: WA53SP690

System Information

PWSIDWA53SP690
System NamePOTHOLES STATE PARK
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeState
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedMar 26, 2026

Location & Contact

StateWashington
CityCoulee City
ZIP Code99115
Address34875 Park Lake Rd NE
OrganizationPOTHOLES STATE PARK
Phone

Population & Service

Population Served1,456
Service Connections81

Drinking Water Violations (13)

This water system has 13 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Apr 1, 2021 Jun 30, 2021 MR No Yes 10 mg/L Resolved Jun 30, 2021
Oct 1, 2020 Dec 31, 2020 MR No Yes 10 mg/L Resolved Dec 31, 2020
Jan 1, 2020 Dec 31, 2020 MCL Yes No 12 MG/L 10 mg/L Resolved Dec 31, 2020
Aug 1, 2003 Aug 31, 2003 MCL Yes No 5% of samples Archived Aug 31, 2003
Jul 1, 2003 Jul 31, 2003 MCL Yes No 5% of samples Archived Jul 31, 2003
Nov 1, 1999 Nov 30, 1999 MCL Yes No 5% of samples Archived Nov 30, 1999
Nov 1, 1999 Nov 30, 1999 MCL Yes No 5% of samples Archived Nov 30, 1999
Nov 1, 1999 Nov 30, 1999 MCL Yes No 5% of samples Archived Nov 30, 1999
Feb 1, 1998 Feb 28, 1998 MCL Yes No 5% of samples Archived Feb 28, 1998
Feb 1, 1998 Feb 28, 1998 MCL Yes No 5% of samples Archived Feb 28, 1998
Feb 1, 1998 Feb 28, 1998 MCL Yes No 5% of samples Archived Feb 28, 1998
Oct 1, 1991 Oct 31, 1991 MR No Yes 5% of samples Archived Oct 31, 1991
No No

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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