Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Safety Ratings 11,700+ NHTSA crash test ratings Investigations 5,300+ NHTSA defect investigations Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports Brand History Cross-category recall lookup by company
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

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 ReportedDec 11, 2025

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 (12)

This water system has 12 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 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2021 Nitrate Rule
Oct 1, 2020 Dec 31, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Jan 1, 2020 Dec 31, 2020 Nitrate MCL Yes No 12 MG/L 10 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 2003 Total Coliform Rule
Nov 1, 1999 Nov 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 1999 Total Coliform Rule
Nov 1, 1999 Nov 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 1999 Total Coliform Rule
Nov 1, 1999 Nov 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 1999 Total Coliform Rule
Feb 1, 1998 Feb 28, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Archived Feb 28, 1998 Total Coliform Rule
Feb 1, 1998 Feb 28, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Archived Feb 28, 1998 Total Coliform Rule
Feb 1, 1998 Feb 28, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Archived Feb 28, 1998 Total Coliform Rule
Oct 1, 1991 Oct 31, 1991 Coliform (TCR) MR No Yes — 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in Washington