FIRST POTHOLES WATER USERS ASSN
Washington - Community Water System - PWSID: WA5325250
System Information
| PWSID | WA5325250 |
| System Name | FIRST POTHOLES WATER USERS ASSN |
| 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 | Moses Lake |
| ZIP Code | 98837 |
| Address | PO Box 2061 |
| Organization | FIRST POTHOLES WATER USERS ASSN |
| Phone | - |
Population & Service
| Population Served | 90 |
| Service Connections | 37 |
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 | - | Other | No | No | - | - | - | Resolved | Sep 24, 2025 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2023 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Sep 19, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Oct 3, 2016 | - | |
| Jan 1, 2015 | Dec 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Oct 1, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Oct 7, 2013 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 14, 2012 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Oct 7, 2010 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 2003 | - | |
| Oct 19, 1999 | Dec 31, 1999 | Other | No | Yes | - | - | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Oct 1, 2000 | MR | No | No | - | TT | - | Resolved | Oct 1, 2000 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1996 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1996 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1996 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1996 | - | |
| Sep 1, 1996 | Sep 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1996 | - | |
| Sep 1, 1996 | Sep 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1996 | - | |
| Jun 1, 1996 | Jun 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1996 | - | |
| Jun 1, 1996 | Jun 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 1996 | - | |
| Mar 1, 1994 | Mar 31, 1994 | MR | No | Yes | - | 5% of samples | - | Archived | Mar 31, 1994 | - | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1992 | - | |
| May 1, 1992 | May 31, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | May 31, 1992 | - | |
| Apr 1, 1992 | Apr 30, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Apr 30, 1992 | - | |
| Mar 1, 1992 | Mar 31, 1992 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1991 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 1991 | - | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | - | 15 pCi/L | - | Archived | Oct 31, 1979 | - | |
| - | - | - | 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.