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 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
| MCL | Health-based | Resolved | 2016-10-01 → 2016-12-31 |
| MCL | Health-based | Resolved | 2016-10-01 → 2016-12-31 |
| MCL | Health-based | Resolved | 2016-10-01 → 2016-12-31 |
| MCL | Health-based | Resolved | 2016-10-01 → 2016-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 31.32 µg/L No EPA limit set
worst single sample: 42.5 µg/L | 57/57 | SYR4 | 2012–2019 |
| Chloroform | 100.16 µg/L No EPA limit set
worst single sample: 145 µg/L | 57/57 | SYR4 | 2012–2019 |
| Dibromochloromethane | 24.44 µg/L No EPA limit set
worst single sample: 28.6 µg/L | 57/57 | SYR4 | 2012–2019 |
| TTHM | 128.16 µg/L 160% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 178.9 µg/L | 57/57 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 73.05 µg/L 122% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 120.1 µg/L | 56/57 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 29.26 µg/L No EPA limit set
worst single sample: 48 µg/L | 55/57 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 46.21 µg/L No EPA limit set
worst single sample: 67.1 µg/L | 52/57 | SYR4 | 2012–2019 |
| Copper | 889.636 µg/L 68% of the EPA limit 1300 µg/L
worst single sample: 1555.46 µg/L | 30/30 | SYR4 | 2013–2019 |
| Bromoform | 8.652 µg/L No EPA limit set
worst single sample: 14.8 µg/L | 27/57 | SYR4 | 2012–2019 |
| Lead | 5.75 µg/L 38% of the EPA limit 15 µg/L
worst single sample: 12.6 µg/L | 21/30 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 450 µg/L 4.5% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 7.657 µg/L No EPA limit set
worst single sample: 8.71 µg/L | 14/57 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 4.0445 µg/L No EPA limit set
worst single sample: 5 µg/L | 14/57 | SYR4 | 2012–2019 |
| Lead | 0.0012 mg/L 7.9% of the EPA limit 0.0150 mg/L | 12/12 | LCR | 2025 |
| Monobromoacetic Acid | 9.543 µg/L No EPA limit set
worst single sample: 10.2 µg/L | 4/57 | SYR4 | 2012–2019 |
50 contaminants tested, none detected
Utility contact
Frequently asked questions about Wynnewood Water & Light
Is Wynnewood Water & Light tap water safe to drink?
EPA monitoring detected 15 contaminants in Wynnewood Water & Light'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 Wynnewood Water & Light's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Wynnewood Water & Light serve?
Wynnewood Water & Light reports serving 2,307 people in Oklahoma, per its EPA record.
Has Wynnewood Water & Light had any water quality violations?
The EPA has 357 violations on file for Wynnewood Water & Light, of which 197 are health-based (a contaminant limit or required treatment was breached) and 1 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.