Colony Mountain
Washington — Community Water System — PWSID: WA5314069
System Information
| PWSID | WA5314069 |
| System Name | Colony Mountain |
| 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 | Dec 16, 1985 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Lynden |
| ZIP Code | 98264 |
| Address | 6912 Hannegan Rd #105 |
| Organization | Colony Mountain |
| Phone | — |
Population & Service
| Population Served | 213 |
| Service Connections | 82 |
Drinking Water Violations (12)
This water system has 12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2024 | Aug 31, 2024 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Aug 23, 2024 | Revised Total Coliform Rule |
| May 1, 1997 | May 31, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1997 | Total Coliform Rule |
| Sep 1, 1995 | Sep 30, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1995 | Total Coliform Rule |
| May 1, 1995 | May 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1995 | Total Coliform Rule |
| Oct 19, 1994 | Nov 18, 1994 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 18, 1994 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1993 | Total Coliform Rule |
| Apr 1, 1993 | Apr 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Apr 30, 1993 | Total Coliform Rule |
| Jan 1, 1993 | Jan 31, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 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, 1992 | Oct 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Oct 31, 1992 | Total Coliform Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1992 | Total Coliform Rule |
| Dec 1, 1991 | Dec 31, 1991 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1991 | Total Coliform 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.