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AQUA COPIA/HORSE COUNTRY ESTATES

Washington — Community Water System — PWSID: WA5334400

System Information

PWSIDWA5334400
System NameAQUA COPIA/HORSE COUNTRY ESTATES
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerYes
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CitySNOHOMISH
ZIP Code98290
Address19412 78TH SE
OrganizationAQUA COPIA/HORSE COUNTRY ESTATES
Phone—

Population & Service

Population Served250
Service Connections99

Drinking Water Violations (82)

This water system has 82 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
Oct 1, 2010 Dec 31, 2010 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2010 Arsenic Rule
Oct 1, 2010 Dec 31, 2010 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2010 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2008 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2008 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2008 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2008 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2008 Arsenic Rule
Apr 1, 2008 Jun 30, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2008 Arsenic Rule
Jan 1, 2008 Mar 31, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2008 Arsenic Rule
Oct 1, 2007 Dec 31, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Oct 1, 2007 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Jun 30, 2007 Synthetic Organic 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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