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CAPE HORN MAINTENANCE COMPANY

Washington — Community Water System — PWSID: WA5311060

System Information

PWSIDWA5311060
System NameCAPE HORN MAINTENANCE COMPANY
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
CityMount Vernon
ZIP Code98273
Address14263 Calhoun Rd
OrganizationCAPE HORN MAINTENANCE COMPANY
Phone—

Population & Service

Population Served940
Service Connections566

Drinking Water Violations (30)

This water system has 30 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
Sep 1, 2014 Sep 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2014 Total Coliform Rule
Jun 1, 2014 Jun 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2014 Total Coliform Rule
Oct 1, 2013 Oct 31, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2013 Total Coliform Rule
Jan 1, 2002 Dec 31, 2004 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2004 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
May 1, 2000 May 31, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 2000 Total Coliform Rule
May 1, 2000 May 31, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 2000 Total Coliform Rule
May 1, 2000 May 31, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 2000 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1999 Total Coliform Rule
Jul 1, 1998 Jul 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1998 Total Coliform Rule
Jul 1, 1998 Jul 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1998 Total Coliform Rule
Jul 1, 1998 Jul 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1998 Total Coliform Rule
Jun 1, 1996 Jun 30, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1996 Total Coliform Rule
Oct 1, 1979 Oct 31, 1979 Selenium MR No No — 0.05 mg/L — Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Chromium MR No No — 0.1 mg/L — Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Arsenic MR No No — 0.010 mg/L — Archived Oct 31, 1979 Arsenic Rule
Oct 1, 1979 Oct 31, 1979 Cadmium MR No No — 0.005 mg/L — Archived Oct 31, 1979 Inorganic Chemicals
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
Oct 1, 1979 Oct 31, 1979 Mercury MR No No — 0.002 mg/L — Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Barium MR No No — 2 mg/L — Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Nitrate MR No No — 10 mg/L — Archived Oct 31, 1979 Nitrate Rule
Oct 1, 1979 Oct 31, 1979 Fluoride MR No No — 4.0 mg/L — Archived Oct 31, 1979 Inorganic Chemicals

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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