GRAHAM HILL MUTUAL WATER CO INC

Washington — Community Water System — PWSID: WA5328650

System Information

PWSIDWA5328650
System NameGRAHAM HILL MUTUAL WATER CO INC
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedMar 26, 2026

Location & Contact

StateWashington
CityGRAHAM
ZIP Code98338-7190
Address9922 249th St E
OrganizationGRAHAM HILL MUTUAL WATER CO INC
Phone

Population & Service

Population Served1,474
Service Connections448

Drinking Water Violations (21)

This water system has 21 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
Jul 1, 2023 Other No No Resolved Sep 29, 2023
Jan 1, 2009 Dec 31, 2009 MR No Yes 10 mg/L Resolved Dec 31, 2009
Jan 1, 2008 Dec 31, 2010 MR No Yes 0.2 mg/L Archived Dec 31, 2010
Jan 1, 2008 Dec 31, 2010 MR No Yes Archived Dec 31, 2010
Jan 1, 2008 Dec 31, 2010 MR No Yes Archived Dec 31, 2010
Jan 1, 2008 Dec 31, 2010 MR No Yes Archived Dec 31, 2010
Jan 1, 2008 Dec 31, 2010 MR No Yes 0.04 mg/L Archived Dec 31, 2010
Jan 1, 2008 Dec 31, 2010 MR No Yes Archived Dec 31, 2010
Jan 1, 2008 Dec 31, 2010 MR No Yes Archived Dec 31, 2010
Jan 1, 2008 Dec 31, 2010 MR No Yes 0.2 mg/L Archived Dec 31, 2010
Jan 1, 2008 Dec 31, 2010 MR No Yes 0.04 mg/L Archived Dec 31, 2010
Jan 1, 2008 Dec 31, 2010 MR No Yes Archived Dec 31, 2010
Oct 1, 2004 Oct 31, 2004 MCL Yes No 5% of samples Archived Oct 31, 2004
Sep 1, 2004 Sep 30, 2004 MCL Yes No 5% of samples Archived Sep 30, 2004
Sep 1, 1994 Sep 30, 1994 MCL Yes No 5% of samples Archived Sep 30, 1994
Aug 1, 1994 Aug 31, 1994 MCL Yes No 5% of samples Archived Aug 31, 1994
Nov 1, 1992 Nov 30, 1992 MR No No 5% of samples Archived Nov 30, 1992
Oct 1, 1979 Oct 31, 1979 MR No No 15 pCi/L Archived Oct 31, 1979
No No
No No
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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