DAVENPORT UTILITY AUTH
PWSID: OK3004104 · Davenport, OK · Serves 881 people
According to EPA Safe Drinking Water Information System (SDWIS), DAVENPORT UTILITY AUTH (PWSID OK3004104) in Davenport, OK is listed as a CWS water system covering about 881 people. The same extract lists 133 health-based violation records spanning 1991-2025. Those 133 health-based rows for DAVENPORT UTILITY AUTH cover contaminants such as TTHM, Total Haloacetic Acids (HAA5), Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
DAVENPORT UTILITY AUTH has 133 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. 3 distinct EPA contaminant codes appear in this system's record, including TTHM, Total Haloacetic Acids (HAA5), Coliform (TCR). Recorded violations span 1991–2025. 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)
- OK3004104
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Davenport, OK
- Population Served
- 881
- Health Violations
- Yes (133)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 107 | 107 |
| Total Haloacetic Acids (HAA5) | 20 | 20 |
| Coliform (TCR) | 6 | 6 |
Violation History (133)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Jul 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Apr 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| TTHM | 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 | 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 | 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 | 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 | 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 | 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 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Oct 1, 2019 |
| TTHM | Yes | Jul 1, 2019 |
| TTHM | Yes | Jul 1, 2018 |
| TTHM | Yes | Apr 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2018 |
| TTHM | Yes | Jan 1, 2018 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2017 |
| TTHM | Yes | Oct 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2017 |
| TTHM | Yes | Jul 1, 2017 |
| TTHM | Yes | Apr 1, 2017 |
| TTHM | Yes | Jan 1, 2017 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2016 |
| TTHM | Yes | Oct 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2016 |
| TTHM | Yes | Jan 1, 2016 |
| TTHM | Yes | Oct 1, 2015 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2015 |
| TTHM | Yes | Jul 1, 2015 |
| TTHM | Yes | Apr 1, 2015 |
| TTHM | Yes | Jan 1, 2015 |
| TTHM | Yes | Oct 1, 2014 |
| TTHM | Yes | Jul 1, 2014 |
| Total Haloacetic Acids (HAA5) | Yes | Apr 1, 2014 |
| TTHM | Yes | Apr 1, 2014 |
| TTHM | Yes | Jan 1, 2014 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2014 |
| TTHM | Yes | Oct 1, 2013 |
| TTHM | Yes | Jul 1, 2013 |
| TTHM | Yes | Oct 1, 2012 |
| TTHM | Yes | Jul 1, 2012 |
| TTHM | Yes | Apr 1, 2012 |
| 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 |
| TTHM | Yes | Jan 1, 2010 |
| TTHM | Yes | Oct 1, 2009 |
| TTHM | Yes | Jul 1, 2009 |
| TTHM | Yes | Apr 1, 2009 |
| TTHM | Yes | Jan 1, 2009 |
Frequently Asked Questions
What does EPA SDWIS list for DAVENPORT UTILITY AUTH?
How many people does DAVENPORT UTILITY AUTH serve?
What violations does DAVENPORT UTILITY AUTH have?
What contaminants have been found in DAVENPORT UTILITY AUTH water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest DAVENPORT UTILITY AUTH on cumulative violation count (133) and EPA-reported population served (881). Violation-count peers include ARVIN COMMUNITY SERVICES DIST, PROVIDENCE WATER WORKS, SLC WSC. Population peers include NSBU - POINT HOPE, NEWHALL WATER SUPPLY, ST CHARLES CO PWSD 2 AUGUSTA.
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
DAVENPORT UTILITY AUTH (OK3004104) is drawn from EPA SDWIS. Nearby county systems in this extract include CHANDLER; STROUD UTILITIES AUTHORITY; LINCOLN CO RW & SEWER DIST 4; PRAGUE. Health-based rows (133 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.