ADAIR CO RWD #4
Oklahoma - Community Water System - PWSID: OK3000107
System Information
| PWSID | OK3000107 |
| System Name | ADAIR CO RWD #4 |
| 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 | Sep 11, 1989 |
| Last Reported | Feb 18, 2026 |
Location & Contact
| State | Oklahoma |
| City | STILWELL |
| ZIP Code | 74960 |
| Address | Kris Prochaska, Chairman of the Board |
| Organization | ADAIR CO RWD #4 |
| Phone | 918-575-0461 |
Population & Service
| Population Served | 1,025 |
| Service Connections | 492 |
Drinking Water Violations (53)
This water system has 53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Apr 15, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Apr 15, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Apr 15, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Apr 15, 2022 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | No | - | - | - | Resolved | Apr 30, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | No | - | - | - | Resolved | Apr 30, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | No | - | - | - | Resolved | Apr 30, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | No | - | - | - | Resolved | Apr 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | May 14, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | May 14, 2014 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 17, 2012 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 17, 2012 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 17, 2012 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Mar 22, 2011 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Mar 22, 2011 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Mar 22, 2011 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Mar 22, 2011 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 22, 2011 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 22, 2011 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Jun 1, 1999 | Jun 30, 1999 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 1999 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MR | No | Yes | - | 5% of samples | - | Resolved | Oct 31, 1998 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Feb 28, 1997 | - | |
| Dec 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 5% of samples | - | Resolved | Dec 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | Yes | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | Yes | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MR | No | Yes | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MR | No | Yes | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MR | No | Yes | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Feb 1, 1995 | Feb 28, 1995 | MR | No | Yes | - | 5% of samples | - | Resolved | Feb 28, 1995 | - | |
| Jun 1, 1993 | Jan 13, 1998 | MR | No | No | - | TT | - | Resolved | Jan 13, 1998 | - |
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.