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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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MONTERRA

Washington — Community Water System — PWSID: WA5355990

System Information

PWSIDWA5355990
System NameMONTERRA
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
CitySEQUIM
ZIP Code98382
AddressPO BOX 92
OrganizationMONTERRA
Phone—

Population & Service

Population Served464
Service Connections192

Drinking Water Violations (25)

This water system has 25 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, 2018 — Other No No — — — Resolved Oct 16, 2018 —
Jan 1, 2014 Dec 31, 2014 MR No Yes — 10 mg/L — Resolved Dec 31, 2014 —
Jul 1, 2010 — Other No No — — — Resolved Nov 1, 2010 —
Nov 1, 2005 Nov 30, 2005 MR No No — 5% of samples — Archived Nov 30, 2005 —
Dec 1, 2004 Dec 31, 2004 MR No No — 5% of samples — Archived Dec 31, 2004 —
Sep 1, 1999 Sep 30, 1999 MCL Yes No — 5% of samples — Archived Sep 30, 1999 —
Sep 1, 1999 Sep 30, 1999 MCL Yes No — 5% of samples — Archived Sep 30, 1999 —
Sep 1, 1999 Sep 30, 1999 MCL Yes No — 5% of samples — Archived Sep 30, 1999 —
Jul 1, 1997 Jul 1, 2001 MR No No — TT — Resolved Jul 1, 2001 —
Nov 1, 1996 Nov 30, 1996 MCL Yes No — 5% of samples — Archived Nov 30, 1996 —
Nov 1, 1996 Nov 30, 1996 MCL Yes No — 5% of samples — Archived Nov 30, 1996 —
Nov 1, 1996 Nov 30, 1996 MCL Yes No — 5% of samples — Archived Nov 30, 1996 —
Jul 1, 1996 Jul 31, 1996 MR No Yes — 5% of samples — Archived Jul 31, 1996 —
Nov 1, 1993 Nov 30, 1993 MR No Yes — 5% of samples — Archived Nov 30, 1993 —
Aug 1, 1992 Aug 31, 1992 MR No Yes — 5% of samples — Archived Aug 31, 1992 —
Aug 1, 1992 Aug 31, 1992 MR No Yes — 5% of samples — Archived Aug 31, 1992 —
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 — 2 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 —
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 — 0.1 mg/L — Archived Oct 31, 1979 —
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 — 4.0 mg/L — Archived Oct 31, 1979 —
Oct 1, 1979 Oct 31, 1979 MR No No — 0.010 mg/L — Archived Oct 31, 1979 —

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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