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 | Nov 14, 2025 |
Location & Contact
| State | Oklahoma |
| City | STILLWELL |
| 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 (51)
This water system has 51 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, 2022 | Sep 30, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 | Sep 30, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 | Sep 30, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 | Sep 30, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2022 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2022 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2022 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2022 | Lead and Copper Rule |
| Apr 1, 2018 | Jun 30, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 | Apr 30, 2018 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2018 | Revised Total Coliform Rule |
| Apr 1, 2018 | Apr 30, 2018 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2018 | Revised Total Coliform Rule |
| Apr 1, 2018 | Apr 30, 2018 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2018 | Revised Total Coliform Rule |
| Apr 1, 2018 | Apr 30, 2018 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2018 | Revised Total Coliform Rule |
| Apr 1, 2018 | Jun 30, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 | Jun 30, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 | Jun 30, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 14, 2014 | Consumer Confidence Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 14, 2014 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 17, 2012 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 17, 2012 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 17, 2012 | Consumer Confidence Rule |
| May 1, 2009 | May 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2009 | Total Coliform Rule |
| May 1, 2009 | May 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2009 | Total Coliform Rule |
| May 1, 2009 | May 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2009 | Total Coliform Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 22, 2011 | Consumer Confidence Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 22, 2011 | Consumer Confidence Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 22, 2011 | Consumer Confidence Rule |
| Jul 1, 2007 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 22, 2011 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 22, 2011 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 22, 2011 | Consumer Confidence Rule |
| Sep 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Sep 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Sep 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Sep 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Jun 1, 1999 | Jun 30, 1999 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jun 30, 1999 | Total Coliform Rule |
| Oct 1, 1998 | Oct 31, 1998 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Oct 31, 1998 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1997 | Total Coliform Rule |
| Feb 1, 1997 | Feb 28, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Feb 28, 1997 | Total Coliform Rule |
| Dec 1, 1996 | Dec 31, 1996 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Dec 31, 1996 | Total Coliform Rule |
| Aug 1, 1996 | Aug 31, 1996 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Aug 31, 1996 | Total Coliform Rule |
| Feb 1, 1996 | Feb 29, 1996 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Feb 29, 1996 | Total Coliform Rule |
| Dec 1, 1995 | Dec 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Dec 31, 1995 | Total Coliform Rule |
| Dec 1, 1995 | Dec 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Dec 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Aug 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Aug 31, 1995 | Total Coliform Rule |
| Aug 1, 1995 | Aug 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Aug 31, 1995 | Total Coliform Rule |
| Feb 1, 1995 | Feb 28, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Feb 28, 1995 | Total Coliform Rule |
| Jun 1, 1993 | Jan 13, 1998 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 13, 1998 | Lead and Copper Rule |
| Jun 1, 1993 | Jan 13, 1998 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 13, 1998 | Lead and Copper Rule |
| — | — | — | 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.