TRI-COUNTY ELECTRIC COOPERATIVE
Oklahoma — Non-Transient Non-Community — PWSID: OK4007082
System Information
| PWSID | OK4007082 |
| System Name | TRI-COUNTY ELECTRIC COOPERATIVE |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 18, 2015 |
| Last Reported | Nov 14, 2025 |
Location & Contact
| State | Oklahoma |
| City | HOOKER |
| ZIP Code | 73945 |
| Address | Zac Perkins, Chief Executive Officer |
| Organization | TRI-COUNTY ELECTRIC COOPERATIVE |
| Phone | 800-522-3315 |
Population & Service
| Population Served | 120 |
| Service Connections | 1 |
Drinking Water Violations (20)
This water system has 20 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | Jun 30, 2025 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Archived | Jun 30, 2025 | Synthetic Organic Chemicals |
| Apr 1, 2025 | Jun 30, 2025 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Archived | Jun 30, 2025 | Synthetic Organic Chemicals |
| Oct 1, 2022 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 5, 2023 | Lead and Copper Rule |
| Apr 1, 2020 | Jun 30, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2020 | Revised Total Coliform Rule |
| Jul 1, 2017 | Jul 31, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2017 | Revised Total Coliform Rule |
| Jul 1, 2017 | Jul 31, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2017 | Revised Total Coliform Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jul 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jul 1, 2015 | Sep 30, 2015 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 30, 2015 | Volatile Organic Chemicals |
| Jul 1, 2015 | Sep 30, 2015 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 2015 | Volatile Organic Chemicals |
| Jul 1, 2015 | Sep 30, 2015 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Sep 30, 2015 | Volatile Organic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2016 | Arsenic Rule |
| Jan 1, 2014 | Dec 31, 2016 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
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.