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SUN LAKES STATE PARK

Washington — Transient Non-Community — PWSID: WA53SP920

System Information

PWSIDWA53SP920
System NameSUN LAKES STATE PARK
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeState
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityCoulee City
ZIP Code99115
Address34875 Park Lake Rd NE
OrganizationSUN LAKES STATE PARK
Phone—

Population & Service

Population Served4,858
Service Connections303

Drinking Water Violations (14)

This water system has 14 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
Sep 1, 2022 Sep 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2022 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2006 Jul 31, 2006 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 2006 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MR No Yes — 5% of samples — Archived Oct 31, 1997 Total Coliform Rule
Mar 1, 1994 Mar 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Mar 31, 1994 Total Coliform Rule
Mar 1, 1994 Mar 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Mar 31, 1994 Total Coliform Rule
Oct 1, 1993 Oct 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1993 Total Coliform Rule
Oct 1, 1993 Oct 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1993 Total Coliform Rule
Sep 1, 1993 Sep 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 1993 Total Coliform Rule
Sep 1, 1993 Sep 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 1993 Total Coliform Rule
Jul 1, 1993 Jul 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1993 Total Coliform Rule
Jul 1, 1993 Jul 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1993 Total Coliform Rule
Jul 1, 1992 Jul 31, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 1992 Total Coliform Rule
Oct 1, 1991 Oct 31, 1991 Coliform (TCR) MR No No — 5% of samples — Archived Oct 31, 1991 Total Coliform Rule

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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