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 | Feb 18, 2026 |
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 (274)
This water system has 274 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Archived | Aug 31, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Archived | Aug 31, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | May 21, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | May 21, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | May 21, 2025 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 5, 2023 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 5, 2023 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 5, 2023 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2020 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jan 1, 2017 | Jun 30, 2017 | MR | No | No | - | TT | - | Resolved | Jun 30, 2017 | - | |
| Jan 1, 2017 | Jun 30, 2017 | MR | No | No | - | TT | - | Resolved | Jun 30, 2017 | - | |
| Jan 1, 2017 | Jun 30, 2017 | MR | No | No | - | TT | - | Resolved | Jun 30, 2017 | - | |
| Jul 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Oct 10, 2017 | - | |
| Jul 1, 2016 | Dec 31, 2016 | MR | No | No | - | TT | - | Resolved | Dec 31, 2016 | - | |
| Jul 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Oct 10, 2017 | - | |
| Jul 1, 2016 | Dec 31, 2016 | MR | No | No | - | TT | - | Resolved | Dec 31, 2016 | - | |
| Jul 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Oct 10, 2017 | - | |
| Jul 1, 2016 | Dec 31, 2016 | MR | No | No | - | TT | - | Resolved | Dec 31, 2016 | - | |
| Jul 1, 2016 | Dec 31, 2016 | MR | No | No | - | TT | - | Resolved | Dec 31, 2016 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Sep 30, 2015 | - |
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.