COWETA PWA
PWSID: OK1021509 · Coweta, OK · Serves 9,450 people
According to EPA Safe Drinking Water Information System (SDWIS), COWETA PWA (PWSID OK1021509) in Coweta, OK is listed as a CWS water system covering about 9,450 people. The same extract lists 192 health-based violation records spanning 1987-2025. Those 192 health-based rows for COWETA PWA cover contaminants such as TTHM, Total Haloacetic Acids (HAA5), CARBON, TOTAL; they remain historical EPA registry entries, not a current compliance or drinkability score.
COWETA PWA has 192 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 7 distinct EPA contaminant codes appear in this system's record, including TTHM, Total Haloacetic Acids (HAA5), CARBON, TOTAL. Recorded violations span 1987–2025. Day-to-day primacy enforcement for this system runs through the Oklahoma drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Oklahoma state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- OK1021509
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Coweta, OK
- Population Served
- 9,450
- Health Violations
- Yes (192)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 89 | 89 |
| Total Haloacetic Acids (HAA5) | 57 | 57 |
| CARBON, TOTAL | 31 | 31 |
| Surface Water Treatment Rule | 9 | 9 |
| Interim Enhanced Surface Water Treatment Rule | 4 | 4 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Coliform (Pre-TCR) | 1 | 1 |
Violation History (192)
| Contaminant | Health | Date |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| Surface Water Treatment Rule | Yes | Aug 1, 2024 |
| Surface Water Treatment Rule | Yes | Aug 1, 2024 |
| Surface Water Treatment Rule | Yes | Aug 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Jul 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Apr 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| TTHM | Yes | Jan 1, 2024 |
| Surface Water Treatment Rule | Yes | Nov 1, 2023 |
| Surface Water Treatment Rule | Yes | Nov 1, 2023 |
| Surface Water Treatment Rule | Yes | Nov 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| TTHM | Yes | Oct 1, 2023 |
| Surface Water Treatment Rule | Yes | Oct 1, 2023 |
| Surface Water Treatment Rule | Yes | Oct 1, 2023 |
| Surface Water Treatment Rule | Yes | Oct 1, 2023 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2023 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2023 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2023 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2020 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2019 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2019 |
Frequently Asked Questions
What does EPA SDWIS list for COWETA PWA?
How many people does COWETA PWA serve?
What violations does COWETA PWA have?
What contaminants have been found in COWETA PWA water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest COWETA PWA on cumulative violation count (192) and EPA-reported population served (9,450). Violation-count peers include JONES MCGINTY WATER SYSTEM, SANDY POINT 480 WATER SYSTEM, CITY OF FRANKLIN WATER SUPPLY. Population peers include SITKA, PULASKI COUNTY PSA, Mound.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
COWETA PWA (OK1021509) is drawn from EPA SDWIS. Nearby county systems in this extract include WAGONER CO. RWD #4; WAGONER; WAGONER CO. RWD #9; WAGONER CO. RWD #5. Health-based rows (192 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.