PAWHUSKA
PWSID: OK1021301 · Pawhuska, OK · Serves 3,800 people
According to EPA Safe Drinking Water Information System (SDWIS), PAWHUSKA (PWSID OK1021301) in Pawhuska, OK is listed as a CWS water system covering about 3,800 people. The same extract lists 30 health-based violation records spanning 2016-2025. Those 30 health-based rows for PAWHUSKA cover contaminants such as TTHM, Interim Enhanced Surface Water Treatment Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
PAWHUSKA has 30 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, Interim Enhanced Surface Water Treatment Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2016–2025. 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)
- OK1021301
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Pawhuska, OK
- Population Served
- 3,800
- Health Violations
- Yes (30)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 24 | 24 |
| Interim Enhanced Surface Water Treatment Rule | 4 | 4 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
| Revised Total Coliform Rule | 1 | 1 |
Violation History (30)
| Contaminant | Health | Date |
|---|---|---|
| TTHM | Yes | Jan 1, 2025 |
| TTHM | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Apr 1, 2021 |
| TTHM | Yes | Oct 1, 2020 |
| TTHM | Yes | Oct 1, 2020 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| TTHM | Yes | Jul 1, 2020 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jun 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| TTHM | Yes | Apr 1, 2020 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Mar 1, 2020 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Feb 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Jan 1, 2020 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Apr 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Jan 1, 2019 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Oct 1, 2018 |
| TTHM | Yes | Jan 1, 2017 |
| TTHM | Yes | Oct 1, 2016 |
| Revised Total Coliform Rule | Yes | Aug 1, 2016 |
| TTHM | Yes | Jul 1, 2016 |
| TTHM | Yes | Apr 1, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for PAWHUSKA?
How many people does PAWHUSKA serve?
What violations does PAWHUSKA have?
What contaminants have been found in PAWHUSKA water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest PAWHUSKA on cumulative violation count (30) and EPA-reported population served (3,800). Violation-count peers include VALDOSTA, CITY OF LAKE PROVIDENCE WATER SYSTEM, POPLAR BLUFF PWS. Population peers include WARM SPRINGS WATER TREATMENT PLANT, ADC - CUMMINS UNIT MAINT, SUN OUTDOORS SARASOTA.
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
PAWHUSKA (OK1021301) is drawn from EPA SDWIS. Nearby county systems in this extract include BARTLESVILLE; SKIATOOK PWA; OSAGE CO RWD #15; HOMINY. Health-based rows (30 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.