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 |
|---|---|---|---|
| MCL | Health-based | Archived | 1999-07-01 → 1999-07-31 |
| MON | Monitoring | Resolved | 2024-03-01 → 2024-03-31 |
| MON | Monitoring | Resolved | 2024-03-01 → 2024-03-31 |
| MON | Monitoring | Resolved | 2024-03-01 → 2024-03-31 |
| MR | Monitoring | Resolved | 2024-01-01 → 2024-03-31 |
| MR | Monitoring | Resolved | 2024-01-01 → 2024-03-31 |
| MR | Monitoring | Resolved | 2024-01-01 → 2024-03-31 |
| MR | Monitoring | Resolved | 2022-09-01 → 2022-11-30 |
| MR | Monitoring | Resolved | 2022-09-01 → 2022-11-30 |
| MR | Monitoring | Resolved | 2022-09-01 → 2022-11-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 97.45 µg/L 122% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 114 µg/L | 64/64 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 73.36 µg/L 122% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 120 µg/L | 64/64 | SYR4 | 2012–2019 |
| Bromodichloromethane | 17.68 µg/L No EPA limit set
worst single sample: 24.6 µg/L | 50/50 | SYR4 | 2013–2019 |
| Chloroform | 62.275 µg/L No EPA limit set
worst single sample: 72.7 µg/L | 50/50 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 34.955 µg/L No EPA limit set
worst single sample: 36 µg/L | 50/50 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 25.11 µg/L No EPA limit set
worst single sample: 26 µg/L | 50/50 | SYR4 | 2013–2019 |
| Dibromochloromethane | 7.1075 µg/L No EPA limit set
worst single sample: 9.68 µg/L | 48/50 | SYR4 | 2013–2019 |
| Copper | 491.4 µg/L 38% of the EPA limit 1300 µg/L
worst single sample: 709 µg/L | 47/50 | SYR4 | 2014–2017 |
| Dibromoacetic Acid | 2.264 µg/L No EPA limit set
worst single sample: 2.45 µg/L | 27/50 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 6.338 µg/L No EPA limit set
worst single sample: 6.44 µg/L | 13/50 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2026 |
| Monobromoacetic Acid | 1.483 µg/L No EPA limit set
worst single sample: 1.5 µg/L | 3/50 | SYR4 | 2013–2019 |
2 contaminants tested, none detected
Utility contact
Frequently asked questions about Chouteau
Is Chouteau tap water safe to drink?
EPA monitoring detected 12 contaminants in Chouteau'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 Chouteau's water?
EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Bromodichloromethane, Chloroform, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Chouteau serve?
Chouteau reports serving 2,100 people in Oklahoma, per its EPA record.
Has Chouteau had any water quality violations?
The EPA has 56 violations on file for Chouteau, of which 1 is 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.