FORT COBB
Oklahoma — Community Water System — PWSID: OK2000810
System Information
| PWSID | OK2000810 |
| System Name | FORT COBB |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1980 |
| Last Reported | Nov 14, 2025 |
Location & Contact
| State | Oklahoma |
| City | FORT COBB |
| ZIP Code | 73038 |
| Address | Nancy Henderson |
| Organization | FORT COBB |
| Phone | 405-643-2682 |
Population & Service
| Population Served | 667 |
| Service Connections | 330 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Jul 15, 2025 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Jul 15, 2025 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Jul 15, 2025 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Jul 15, 2025 | Lead and Copper Rule Revisions |
| Jan 1, 2023 | Dec 31, 2023 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2023 | Synthetic Organic Chemicals |
| Jan 1, 2023 | Dec 31, 2023 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2023 | Synthetic Organic Chemicals |
| Jan 1, 2023 | Dec 31, 2023 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2023 | Synthetic Organic Chemicals |
| Jan 1, 2023 | Dec 31, 2023 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2023 | Synthetic Organic Chemicals |
| Oct 1, 2021 | Dec 31, 2021 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | Synthetic Organic Chemicals |
| Oct 1, 2021 | Dec 31, 2021 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | Synthetic Organic Chemicals |
| Oct 1, 2021 | Dec 31, 2021 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | Synthetic Organic Chemicals |
| Oct 1, 2021 | Dec 31, 2021 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | Synthetic Organic Chemicals |
| Oct 1, 2021 | Dec 31, 2021 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | Synthetic Organic Chemicals |
| Oct 1, 2021 | Dec 31, 2021 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | Synthetic Organic Chemicals |
| Oct 1, 2021 | Dec 31, 2021 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | Synthetic Organic Chemicals |
| Oct 1, 2021 | Dec 31, 2021 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Mar 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Mar 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Mar 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Mar 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Mar 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Mar 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Mar 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Mar 31, 2020 | Nitrate Rule |
| Jul 1, 2016 | Sep 30, 2016 | Nitrate-Nitrite | MCL | Yes | No | 11 MG/L | — | 10 | Resolved | Sep 30, 2016 | Nitrate Rule |
| Jul 1, 2016 | Sep 30, 2016 | Nitrate-Nitrite | MCL | Yes | No | 11 MG/L | — | 10 | Resolved | Sep 30, 2016 | Nitrate Rule |
| Jul 1, 2016 | Sep 30, 2016 | Nitrate-Nitrite | MCL | Yes | No | 11 MG/L | — | 10 | Resolved | Sep 30, 2016 | Nitrate Rule |
| Jul 1, 2016 | Sep 30, 2016 | Nitrate-Nitrite | MCL | Yes | No | 11 MG/L | — | 10 | Resolved | Sep 30, 2016 | Nitrate Rule |
| Jan 1, 2016 | Mar 31, 2016 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Mar 31, 2016 | Nitrate Rule |
| Jan 1, 2016 | Mar 31, 2016 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Mar 31, 2016 | Nitrate Rule |
| Jan 1, 2016 | Mar 31, 2016 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Mar 31, 2016 | Nitrate Rule |
| Jan 1, 2016 | Mar 31, 2016 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Mar 31, 2016 | Nitrate Rule |
| Jan 1, 2013 | Dec 31, 2013 | Nitrate-Nitrite | MCL | Yes | No | 11 MG/L | — | 10 | Resolved | Dec 31, 2013 | Nitrate Rule |
| Jan 1, 2013 | Dec 31, 2013 | Nitrate-Nitrite | MCL | Yes | No | 11 MG/L | — | 10 | Resolved | Dec 31, 2013 | Nitrate Rule |
| Jan 1, 2013 | Dec 31, 2013 | Nitrate-Nitrite | MCL | Yes | No | 11 MG/L | — | 10 | Resolved | Dec 31, 2013 | Nitrate Rule |
| Jan 1, 2013 | Dec 31, 2013 | Nitrate-Nitrite | MCL | Yes | No | 11 MG/L | — | 10 | Resolved | Dec 31, 2013 | Nitrate Rule |
| Jun 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 15, 2006 | Total Coliform Rule |
| Jun 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 15, 2006 | Total Coliform Rule |
| Jun 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 15, 2006 | Total Coliform Rule |
| Jun 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 15, 2006 | Total Coliform Rule |
| Jul 1, 2004 | Jul 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Jul 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Jul 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Jul 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2004 | Total Coliform Rule |
| Sep 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Aug 31, 1997 | Total Coliform Rule |
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.