MAINS FARM PROPERTY OWNERS
Washington — Community Water System — PWSID: WA5350400
System Information
| PWSID | WA5350400 |
| System Name | MAINS FARM PROPERTY OWNERS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | SEQUIM |
| ZIP Code | 98382 |
| Address | PO BOX 92 |
| Organization | MAINS FARM PROPERTY OWNERS |
| Phone | — |
Population & Service
| Population Served | 358 |
| Service Connections | 169 |
Drinking Water Violations (8)
This water system has 8 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, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 28, 2025 | Consumer Confidence Rule |
| Jun 1, 2013 | Jun 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2013 | Total Coliform Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 1, 2010 | Consumer Confidence Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Aug 31, 1995 | Total Coliform Rule |
| Apr 1, 1993 | Apr 30, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Apr 30, 1993 | Total Coliform Rule |
| Nov 1, 1992 | Nov 30, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 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 |
| — | — | — | No | No | — | — | — | — | — | — |
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.