STILLWATER UTILITIES AUTHORITY
PWSID: OK1021220 · Stillwater, OK · Serves 53,000 people
According to EPA Safe Drinking Water Information System (SDWIS), STILLWATER UTILITIES AUTHORITY (PWSID OK1021220) in Stillwater, OK is listed as a CWS water system covering about 53,000 people. The same extract lists 45 health-based violation records spanning 1988-2023. Those 45 health-based rows for STILLWATER UTILITIES AUTHORITY cover contaminants such as CARBON, TOTAL, Surface Water Treatment Rule, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
STILLWATER UTILITIES AUTHORITY has 45 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers health-based violations only -- monitoring and reporting records are not included, nor are unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 5 distinct EPA contaminant codes appear in this system's record, including CARBON, TOTAL, Surface Water Treatment Rule, Coliform (TCR). Recorded violations span 1988–2023. 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)
- OK1021220
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Stillwater, OK
- Population Served
- 53,000
- Health Violations
- Yes (45)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| CARBON, TOTAL | 18 | 18 |
| Surface Water Treatment Rule | 12 | 12 |
| Coliform (TCR) | 8 | 8 |
| Interim Enhanced Surface Water Treatment Rule | 6 | 6 |
| Coliform (Pre-TCR) | 1 | 1 |
Violation History (45)
Frequently Asked Questions
What does EPA SDWIS list for STILLWATER UTILITIES AUTHORITY?
How many people does STILLWATER UTILITIES AUTHORITY serve?
What violations does STILLWATER UTILITIES AUTHORITY have?
What contaminants have been found in STILLWATER UTILITIES AUTHORITY water?
Compare beyond Oklahoma
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest STILLWATER UTILITIES AUTHORITY on cumulative violation count (45) and EPA-reported population served (53,000). Violation-count peers include Pala North, MAKAH NEAH BAY, EPCOR - LAKESIDE. Population peers include LA CROSSE WATERWORKS, METHUEN WATER DEPT, SUMTER CITY OF (SC4310001).
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).
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About This Data
STILLWATER UTILITIES AUTHORITY (OK1021220) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 1988-2023 covering CARBON, TOTAL, Surface Water Treatment Rule, Coliform (TCR). Historical registry entries, 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.