Saddle Mountain Water Assoc.
Washington — Community Water System — PWSID: WA5375200
System Information
| PWSID | WA5375200 |
| System Name | Saddle Mountain Water Assoc. |
| 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 | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Moses Lake |
| ZIP Code | 98837 |
| Address | PO Box 2061 |
| Organization | Saddle Mountain Water Assoc. |
| Phone | — |
Population & Service
| Population Served | 219 |
| Service Connections | 73 |
Drinking Water Violations (40)
This water system has 40 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 | Jul 31, 2025 | MCL | Yes | No | — | — | — | Resolved | Jul 31, 2025 | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Resolved | Sep 24, 2025 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | 0.080 mg/L | — | Archived | Dec 31, 2016 | — | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | 0.060 mg/L | — | Archived | Dec 31, 2016 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2005 | — | |
| Dec 1, 1997 | Dec 31, 1997 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1997 | — | |
| Dec 1, 1997 | Dec 31, 1997 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1997 | — | |
| Dec 1, 1997 | Dec 31, 1997 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1997 | — | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1992 | — | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1992 | — | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1991 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 2 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 10 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 4.0 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.05 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.005 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.1 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.010 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.002 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
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| — | — | — | 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.