FREDERICK
Oklahoma — Community Water System — PWSID: OK1011401
System Information
| PWSID | OK1011401 |
| System Name | FREDERICK |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1980 |
| Last Reported | Feb 18, 2026 |
Location & Contact
| State | Oklahoma |
| City | FREDERICK |
| ZIP Code | 73542 |
| Address | The Honorable Kevin Ouellette, Mayor |
| Organization | FREDERICK |
| Phone | 580-335-7551 |
Population & Service
| Population Served | 3,940 |
| Service Connections | 2,429 |
Drinking Water Violations (806)
This water system has 806 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 | Dec 31, 2025 | MCL | Yes | No | 105 MFL | 7 MFL | 7 | Archived | Dec 31, 2025 | — | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 105 MFL | 7 MFL | 7 | Archived | Dec 31, 2025 | — | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 105 MFL | 7 MFL | 7 | Archived | Dec 31, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 80 MFL | 7 MFL | 7 | Resolved | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 80 MFL | 7 MFL | 7 | Resolved | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 80 MFL | 7 MFL | 7 | Resolved | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 80 MFL | 7 MFL | 7 | Resolved | Sep 30, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Oct 16, 2024 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Oct 16, 2024 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Oct 16, 2024 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Oct 16, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .086 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .086 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .086 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .086 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2024 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | .096 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | TT | Yes | No | .95 RATIO | TT | — | Archived | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | .096 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | .096 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | TT | Yes | No | .95 RATIO | TT | — | Archived | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | .096 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | TT | Yes | No | .95 RATIO | TT | — | Archived | Sep 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | TT | Yes | No | .92 RATIO | TT | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | TT | Yes | No | .92 RATIO | TT | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | TT | Yes | No | .92 RATIO | TT | — | Archived | Jun 30, 2023 | — | |
| Jan 1, 2023 | Mar 31, 2023 | TT | Yes | No | .9 RATIO | TT | — | Archived | Mar 31, 2023 | — | |
| Jan 1, 2023 | Mar 31, 2023 | TT | Yes | No | .9 RATIO | TT | — | Archived | Mar 31, 2023 | — | |
| Jan 1, 2023 | Mar 31, 2023 | TT | Yes | No | .9 RATIO | TT | — | Archived | Mar 31, 2023 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .105 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .105 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .105 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .105 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MCL | Yes | No | 1.3 MG/L | 1.0 mg/L | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .108 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MCL | Yes | No | 1.3 MG/L | 1.0 mg/L | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MCL | Yes | No | 1.3 MG/L | 1.0 mg/L | — | Resolved | Jan 31, 2018 | — | |
| Jan 1, 2018 | Jan 31, 2018 | MCL | Yes | No | 1.3 MG/L | 1.0 mg/L | — | Resolved | Jan 31, 2018 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .109 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .109 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .109 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .109 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2017 | — |
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.