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KOPACHUCK

Washington — Community Water System — PWSID: WA5343065

System Information

PWSIDWA5343065
System NameKOPACHUCK
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityTacoma
ZIP Code98444
AddressPO Box 44168
OrganizationKOPACHUCK
Phone—

Population & Service

Population Served236
Service Connections89

Drinking Water Violations (18)

This water system has 18 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
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Apr 1, 1994 Apr 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Apr 30, 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
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jan 31, 1994 Total Coliform Rule
Jul 1, 1993 Jul 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1993 Total Coliform Rule
Feb 1, 1993 Feb 28, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Feb 28, 1993 Total Coliform Rule
Dec 1, 1992 Dec 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Dec 31, 1992 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1992 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1992 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1992 Total Coliform Rule
Jul 1, 1992 Jul 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1992 Total Coliform Rule
Jul 1, 1992 Jul 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1992 Total Coliform Rule
Jul 1, 1992 Jul 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1992 Total Coliform Rule
Oct 1, 1979 Oct 31, 1979 Gross Alpha, Excl. Radon and U MR No No — 15 pCi/L — Archived Oct 31, 1979 Radionuclides and Revised Rad 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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