UPPER SKAGIT
Washington — Community Water System — PWSID: 105300048
System Information
| PWSID | 105300048 |
| System Name | UPPER SKAGIT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jun 4, 1984 |
| Last Reported | Dec 30, 2025 |
Location & Contact
| State | Washington |
| City | MOUNT VERNON |
| ZIP Code | 98273 |
| Address | 14263 CALHOUN RD |
| Organization | BRUSSEAU, THAD |
| Phone | 360-466-4443 |
Population & Service
| Population Served | 365 |
| Service Connections | 98 |
Drinking Water Violations (17)
This water system has 17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| May 1, 2018 | May 31, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2018 | Revised Total Coliform Rule |
| Dec 1, 2016 | Dec 31, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2016 | Revised Total Coliform Rule |
| Oct 1, 2016 | Dec 31, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2014 | Aug 31, 2014 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 19, 2006 | Consumer Confidence Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 8, 2005 | Consumer Confidence Rule |
| Jan 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 20, 2007 | Lead and Copper Rule |
| Sep 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Dec 31, 2004 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2004 | Dec 31, 2004 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jun 1, 2001 | Jun 30, 2001 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 2001 | Total Coliform Rule |
| Apr 1, 2001 | Mar 31, 2005 | Other | No | No | — | — | — | Resolved | Mar 31, 2005 | Total Coliform Rule | |
| Jun 1, 1993 | Jun 30, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1993 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 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 |
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.