Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Resolved | 2024-10-17 |
| TT | Health-based | Resolved | 2024-10-17 |
| MCL | Health-based | Resolved | 2013-05-01 → 2013-05-31 |
| MCL | Health-based | Resolved | 2013-05-01 → 2013-05-31 |
| MCL | Health-based | Resolved | 2013-05-01 → 2013-05-31 |
| MCL | Health-based | Resolved | 2013-05-01 → 2013-05-31 |
| TT | Health-based | Resolved | 2010-08-01 → 2010-08-31 |
| TT | Health-based | Resolved | 2010-08-01 → 2010-08-31 |
| TT | Health-based | Resolved | 2010-08-01 → 2010-08-31 |
| TT | Health-based | Resolved | 2010-08-01 → 2010-08-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chlorite | 1610 µg/L 161% of the EPA limit, in the worst sample — 1000 µg/L | 114/129 | SYR4 | 2012–2019 |
| Copper | 921 µg/L 71% of the EPA limit 1300 µg/L | 40/40 | SYR4 | 2012–2019 |
| Bromodichloromethane | 14.2 µg/L No EPA limit set | 27/27 | SYR4 | 2012–2019 |
| Chloroform | 58.8 µg/L No EPA limit set | 27/27 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.9 µg/L No EPA limit set | 27/27 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 25 µg/L No EPA limit set | 25/25 | SYR4 | 2012–2019 |
| TTHM | 75.8 µg/L 95% of the EPA limit 80 µg/L | 25/25 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 50 µg/L 83% of the EPA limit 60 µg/L | 25/25 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 21.5 µg/L No EPA limit set | 25/25 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 4.6 µg/L No EPA limit set | 18/25 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2450 µg/L 25% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Lead | 0.00088 mg/L 5.9% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2025 |
| Dibromoacetic Acid | 2.1 µg/L No EPA limit set | 3/25 | SYR4 | 2012–2019 |
| Fluoride | 760 µg/L 19% of the EPA limit 4000 µg/L | 3/3 | SYR4 | 2012–2019 |
| Bromoform | 1.1 µg/L No EPA limit set | 2/27 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1.3 µg/L No EPA limit set | 2/25 | SYR4 | 2012–2019 |
| 2,4-D | 0.3700 µg/L 0.5% of the EPA limit 70 µg/L | 1/6 | SYR4 | 2018–2019 |
| Barium | 36.8 µg/L 1.8% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2012 |
40 contaminants tested, none detected
Utility contact
Frequently asked questions about Stilwell
Is Stilwell tap water safe to drink?
EPA monitoring detected 18 contaminants in Stilwell's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Stilwell's water?
EPA monitoring detected Chlorite, Copper, Bromodichloromethane, Chloroform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Stilwell serve?
Stilwell reports serving 3,276 people in Oklahoma, per its EPA record.
Has Stilwell had any water quality violations?
The EPA has 61 violations on file for Stilwell, of which 29 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.