AQUA COPIA/HORSE COUNTRY ESTATES
Washington — Community Water System — PWSID: WA5334400
System Information
| PWSID | WA5334400 |
| System Name | AQUA COPIA/HORSE COUNTRY ESTATES |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | SNOHOMISH |
| ZIP Code | 98290 |
| Address | 19412 78TH SE |
| Organization | AQUA COPIA/HORSE COUNTRY ESTATES |
| Phone | — |
Population & Service
| Population Served | 250 |
| Service Connections | 99 |
Drinking Water Violations (83)
This water system has 83 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 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | — | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | — | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | — | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | — | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | — | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2008 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Sep 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Jun 30, 2007 | — |
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.