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HAMILTON WATER DEPARTMENT

Washington — Community Water System — PWSID: WA5330700

System Information

PWSIDWA5330700
System NameHAMILTON WATER DEPARTMENT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedMar 26, 2026

Location & Contact

StateWashington
CityMaple Falls
ZIP Code98266
Address8615 Old Town Rd
OrganizationHAMILTON WATER DEPARTMENT
Phone—

Population & Service

Population Served540
Service Connections150

Drinking Water Violations (33)

This water system has 33 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, 2016 — Other No No — — — Resolved Nov 2, 2016 —
Jul 1, 2015 — Other No No — — — Resolved Sep 9, 2015 —
Jul 1, 2014 — Other No No — — — Resolved Dec 22, 2014 —
Dec 1, 2006 Dec 31, 2006 MCL Yes No — 5% of samples — Archived Dec 31, 2006 —
Feb 1, 2006 Feb 28, 2006 MR No No — 5% of samples — Archived Feb 28, 2006 —
Jun 1, 2004 Jun 30, 2004 MR No No — 5% of samples — Archived Jun 30, 2004 —
Dec 1, 2000 Dec 31, 2000 MR No Yes — 5% of samples — Archived Dec 31, 2000 —
Jul 1, 1999 Jul 31, 1999 MR No Yes — 5% of samples — Archived Jul 31, 1999 —
Nov 1, 1998 Nov 30, 1998 MR No Yes — 5% of samples — Archived Nov 30, 1998 —
May 1, 1998 May 31, 1998 MR No Yes — 5% of samples — Archived May 31, 1998 —
Jul 1, 1996 Jul 31, 1996 MR No Yes — 5% of samples — Archived Jul 31, 1996 —
Nov 1, 1995 Nov 30, 1995 MR No Yes — 5% of samples — Archived Nov 30, 1995 —
Dec 1, 1993 Dec 31, 1993 MR No Yes — 5% of samples — Archived Dec 31, 1993 —
Nov 1, 1992 Nov 30, 1992 MR No No — 5% of samples — Archived Nov 30, 1992 —
Mar 1, 1992 Mar 31, 1992 MR No Yes — 5% of samples — Archived Mar 31, 1992 —
Feb 1, 1992 Feb 29, 1992 MCL Yes No — 5% of samples — Archived Feb 29, 1992 —
Feb 1, 1992 Feb 29, 1992 MCL Yes No — 5% of samples — Archived Feb 29, 1992 —
Feb 1, 1992 Feb 29, 1992 MR No Yes — 5% of samples — Archived Feb 29, 1992 —
Feb 1, 1992 Feb 29, 1992 MCL Yes No — 5% of samples — Archived Feb 29, 1992 —
Dec 1, 1991 Dec 31, 1991 MR No Yes — 5% of samples — Archived Dec 31, 1991 —
Oct 1, 1991 Oct 31, 1991 MR No Yes — 5% of samples — Archived Oct 31, 1991 —
Oct 1, 1979 Oct 31, 1979 MR No No — 15 pCi/L — Archived Oct 31, 1979 —
Oct 1, 1979 Oct 31, 1979 MR No No — 2 mg/L — Archived Oct 31, 1979 —
Oct 1, 1979 Oct 31, 1979 MR No No — 0.1 mg/L — Archived Oct 31, 1979 —
Oct 1, 1979 Oct 31, 1979 MR No No — 0.002 mg/L — Archived Oct 31, 1979 —
Oct 1, 1979 Oct 31, 1979 MR No No — 0.010 mg/L — Archived Oct 31, 1979 —
Oct 1, 1979 Oct 31, 1979 MR No No — 0.005 mg/L — Archived Oct 31, 1979 —
Oct 1, 1979 Oct 31, 1979 MR No No — 4.0 mg/L — Archived Oct 31, 1979 —
Oct 1, 1979 Oct 31, 1979 MR No No — 10 mg/L — Archived Oct 31, 1979 —
Oct 1, 1979 Oct 31, 1979 MR No No — 0.05 mg/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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