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 | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Resolved | 2025-08-01 → 2025-08-31 |
| MCL | Health-based | Resolved | 2025-08-01 → 2025-08-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 456.468 µg/L 35% of the EPA limit 1300 µg/L
worst single sample: 766 µg/L | 35/35 | SYR4 | 2015–2018 |
| Bromodichloromethane | 85 µg/L No EPA limit set
worst single sample: 102 µg/L | 25/25 | SYR4 | 2013–2019 |
| Bromoform | 225 µg/L No EPA limit set
worst single sample: 298 µg/L | 25/25 | SYR4 | 2013–2019 |
| Chloroform | 51.5 µg/L No EPA limit set
worst single sample: 121 µg/L | 25/25 | SYR4 | 2013–2019 |
| Dibromochloromethane | 126 µg/L No EPA limit set
worst single sample: 132 µg/L | 25/25 | SYR4 | 2013–2019 |
| TTHM | 354.138 µg/L 443% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 410.5 µg/L | 25/25 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 46.065 µg/L No EPA limit set
worst single sample: 66.2 µg/L | 24/25 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 70.7 µg/L 118% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 80.5 µg/L | 24/25 | SYR4 | 2013–2019 |
| Lead | 9.29 µg/L 62% of the EPA limit 15 µg/L
worst single sample: 11.4 µg/L | 21/35 | SYR4 | 2015–2018 |
| Dichloroacetic Acid | 26.3 µg/L No EPA limit set
worst single sample: 26.7 µg/L | 17/25 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 11.8135 µg/L No EPA limit set
worst single sample: 19.1 µg/L | 14/25 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 18.15 µg/L No EPA limit set
worst single sample: 19.9 µg/L | 11/25 | SYR4 | 2013–2019 |
| Lead | 0.0066 mg/L 44% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2025 |
| Monochloroacetic Acid | 25.125 µg/L No EPA limit set
worst single sample: 31.8 µg/L | 6/24 | SYR4 | 2013–2019 |
Utility contact
Frequently asked questions about Mountain Park Public Works Auth
Is Mountain Park Public Works Auth tap water safe to drink?
EPA monitoring detected 14 contaminants in Mountain Park Public Works Auth'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 Mountain Park Public Works Auth's water?
EPA monitoring detected Copper, Bromodichloromethane, Bromoform, Chloroform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Mountain Park Public Works Auth serve?
Mountain Park Public Works Auth reports serving 473 people in Oklahoma, per its EPA record.
Has Mountain Park Public Works Auth had any water quality violations?
The EPA has 298 violations on file for Mountain Park Public Works Auth, of which 270 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.