WISTER
Oklahoma — Community Water System — PWSID: OK3004014
System Information
| PWSID | OK3004014 |
| System Name | WISTER |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1980 |
| Last Reported | Feb 18, 2026 |
Location & Contact
| State | Oklahoma |
| City | WISTER |
| ZIP Code | 74966 |
| Address | Mr. Dustin Vaughn |
| Organization | WISTER |
| Phone | 918-647-7955 |
Population & Service
| Population Served | 1,002 |
| Service Connections | 612 |
Drinking Water Violations (68)
This water system has 68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 29, 2025 | — | MR | No | No | — | 0.060 mg/L | — | Resolved | Nov 7, 2025 | — | |
| Sep 29, 2025 | — | MR | No | No | — | 0.060 mg/L | — | Resolved | Nov 7, 2025 | — | |
| Jul 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Dec 4, 2024 | — | |
| Jul 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Dec 4, 2024 | — | |
| Jul 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Dec 4, 2024 | — | |
| Jul 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Dec 4, 2024 | — | |
| Jul 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Dec 15, 2023 | — | |
| Jul 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Dec 15, 2023 | — | |
| Jul 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Dec 15, 2023 | — | |
| Jul 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Dec 15, 2023 | — | |
| Jun 1, 2009 | Aug 31, 2009 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2009 | — | |
| Jun 1, 2009 | Aug 31, 2009 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2009 | — | |
| Jun 1, 2009 | Aug 31, 2009 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2009 | — | |
| Jun 1, 2009 | Aug 31, 2009 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2009 | — | |
| May 1, 2008 | Jul 31, 2008 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2008 | — | |
| May 1, 2008 | Jul 31, 2008 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2008 | — | |
| May 1, 2008 | Jul 31, 2008 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2008 | — | |
| May 1, 2008 | Jul 31, 2008 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2008 | — | |
| May 1, 2008 | Jul 31, 2008 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2008 | — | |
| May 1, 2008 | Jul 31, 2008 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2008 | — | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | — | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | — | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | — | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Mar 1, 2001 | Mar 31, 2001 | MR | No | Yes | — | 5% of samples | — | Resolved | Mar 31, 2001 | — | |
| Mar 1, 2001 | Mar 31, 2001 | MR | No | Yes | — | 5% of samples | — | Resolved | Mar 31, 2001 | — | |
| Feb 1, 2001 | Feb 28, 2001 | MR | No | Yes | — | 5% of samples | — | Resolved | Feb 28, 2001 | — | |
| Feb 1, 2001 | Feb 28, 2001 | MR | No | Yes | — | 5% of samples | — | Resolved | Feb 28, 2001 | — | |
| Jan 1, 2001 | Jan 31, 2001 | MR | No | Yes | — | 5% of samples | — | Resolved | Jan 31, 2001 | — | |
| Jan 1, 2001 | Jan 31, 2001 | MR | No | Yes | — | 5% of samples | — | Resolved | Jan 31, 2001 | — | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Dec 31, 2000 | — | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Dec 31, 2000 | — | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Nov 30, 2000 | — | |
| Nov 1, 2000 | Nov 30, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Nov 30, 2000 | — | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Oct 31, 2000 | — | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Oct 31, 2000 | — | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 2000 | — | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 2000 | — | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Jul 31, 2000 | — | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Jul 31, 2000 | — | |
| Jun 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Jun 30, 2000 | — | |
| Jun 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | Jun 30, 2000 | — | |
| May 1, 2000 | May 31, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | May 31, 2000 | — | |
| May 1, 2000 | May 31, 2000 | MR | No | Yes | — | 5% of samples | — | Resolved | May 31, 2000 | — | |
| Sep 1, 1999 | Sep 30, 1999 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1999 | — | |
| Jun 1, 1999 | Jun 30, 1999 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1999 | — | |
| May 1, 1999 | May 31, 1999 | MR | No | Yes | — | 5% of samples | — | Archived | May 31, 1999 | — |
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.