TECUMSEH UTILITY AUTHORITY
PWSID: OK1020506 · Tecumseh, OK · Serves 6,098 people
According to EPA Safe Drinking Water Information System (SDWIS), TECUMSEH UTILITY AUTHORITY (PWSID OK1020506) in Tecumseh, OK is listed as a CWS water system covering about 6,098 people. The same extract lists 119 health-based violation records spanning 1990-2025. Those 119 health-based rows for TECUMSEH UTILITY AUTHORITY cover contaminants such as TTHM, Total Haloacetic Acids (HAA5), CARBON, TOTAL; they remain historical EPA registry entries, not a current compliance or drinkability score.
TECUMSEH UTILITY AUTHORITY has 119 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. 4 distinct EPA contaminant codes appear in this system's record, including TTHM, Total Haloacetic Acids (HAA5), CARBON, TOTAL. Recorded violations span 1990–2025. 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)
- OK1020506
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Tecumseh, OK
- Population Served
- 6,098
- Health Violations
- Yes (119)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 89 | 89 |
| Total Haloacetic Acids (HAA5) | 22 | 22 |
| CARBON, TOTAL | 6 | 6 |
| Turbidity | 2 | 2 |
Violation History (119)
| Contaminant | Health | Date |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Oct 1, 2024 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Jul 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Apr 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Jan 1, 2023 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| TTHM | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Jul 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| TTHM | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| TTHM | Yes | Jan 1, 2022 |
| CARBON, TOTAL | Yes | Oct 1, 2021 |
| CARBON, TOTAL | Yes | Oct 1, 2021 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Oct 1, 2021 |
| TTHM | Yes | Jul 1, 2021 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Jan 1, 2012 |
| TTHM | Yes | Oct 1, 2011 |
| TTHM | Yes | Jul 1, 2011 |
| TTHM | Yes | Apr 1, 2011 |
| TTHM | Yes | Jan 1, 2011 |
| TTHM | Yes | Oct 1, 2010 |
| TTHM | Yes | Jul 1, 2010 |
| TTHM | Yes | Apr 1, 2010 |
| CARBON, TOTAL | Yes | Apr 1, 2010 |
| TTHM | Yes | Jan 1, 2010 |
| CARBON, TOTAL | Yes | Jan 1, 2010 |
| TTHM | Yes | Oct 1, 2009 |
| TTHM | Yes | Apr 1, 2009 |
| TTHM | Yes | Jan 1, 2009 |
| TTHM | Yes | Oct 1, 2008 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2008 |
| TTHM | Yes | Apr 1, 2008 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2008 |
| TTHM | Yes | Jan 1, 2008 |
| CARBON, TOTAL | Yes | Jan 1, 2008 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2007 |
| TTHM | Yes | Oct 1, 2007 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2007 |
| TTHM | Yes | Jul 1, 2007 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2007 |
Frequently Asked Questions
What does EPA SDWIS list for TECUMSEH UTILITY AUTHORITY?
How many people does TECUMSEH UTILITY AUTHORITY serve?
What violations does TECUMSEH UTILITY AUTHORITY have?
What contaminants have been found in TECUMSEH UTILITY AUTHORITY water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TECUMSEH UTILITY AUTHORITY on cumulative violation count (119) and EPA-reported population served (6,098). Violation-count peers include LEMOORE, CITY OF, NPS-WOLVERTON, RYE TOWN OF. Population peers include CENTRAL SHOSHONE COUNTY WATER DIST, PAULSBORO WATER DEPARTMENT, VENTURA RIVER WATER DISTRICT.
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
Explore More
About This Data
TECUMSEH UTILITY AUTHORITY (OK1020506) is drawn from EPA SDWIS. Nearby county systems in this extract include SHAWNEE MUNICIPAL AUTHORITY; POTTAWATOMIE CO DEVELOPMENT AUTH; MAUD; POTTAWATOMIE COUNTY RWD #3. Health-based rows (119 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.