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 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| RPT | Monitoring | Resolved | 2024-10-17 |
| MR | Monitoring | Archived | 2017-01-01 → 2022-12-31 |
| MR | Monitoring | Archived | 2017-01-01 → 2022-12-31 |
| MR | Monitoring | Archived | 2017-01-01 → 2022-12-31 |
| MR | Monitoring | Archived | 2017-01-01 → 2022-12-31 |
| MR | Monitoring | Archived | 2017-01-01 → 2022-12-31 |
| MR | Monitoring | Archived | 2017-01-01 → 2022-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Fluoride | 704 µg/L 18% of the EPA limit 4000 µg/L
worst single sample: 900 µg/L | 97/97 | SYR4 | 2012–2019 |
| Bromodichloromethane | 24.68 µg/L No EPA limit set
worst single sample: 34.4 µg/L | 49/54 | SYR4 | 2012–2019 |
| TTHM | 78.6 µg/L 98% of the EPA limit 80 µg/L
worst single sample: 112 µg/L | 49/53 | SYR4 | 2012–2019 |
| Dibromochloromethane | 18.95 µg/L No EPA limit set
worst single sample: 28 µg/L | 48/54 | SYR4 | 2012–2019 |
| Chloroform | 29.77 µg/L No EPA limit set
worst single sample: 39.2 µg/L | 43/54 | SYR4 | 2012–2019 |
| Bromoform | 10.0985 µg/L No EPA limit set
worst single sample: 10.4 µg/L | 34/54 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 9.3235 µg/L 16% of the EPA limit 60 µg/L
worst single sample: 13.5 µg/L | 32/53 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 5.855 µg/L No EPA limit set
worst single sample: 7.27 µg/L | 31/53 | SYR4 | 2012–2019 |
| Copper | 135.2 µg/L 10% of the EPA limit 1300 µg/L
worst single sample: 245 µg/L | 13/66 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 2.222 µg/L No EPA limit set
worst single sample: 2.51 µg/L | 13/53 | SYR4 | 2012–2019 |
| Lead | 0.0013 mg/L 8.7% of the EPA limit 0.0150 mg/L | 9/9 | LCR | 2025 |
| Trichloroacetic Acid | 1.772 µg/L No EPA limit set
worst single sample: 1.9 µg/L | 9/53 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1.18195 pCi/L 24% of the EPA limit 5 pCi/L
worst single sample: 1.22 pCi/L | 2/2 | SYR4 | 2013–2014 |
| Gross Alpha, Excl. Radon And U | 2.6415 pCi/L 18% of the EPA limit 15 pCi/L
worst single sample: 2.71 pCi/L | 2/2 | SYR4 | 2013–2014 |
| Gross Beta Particle Activity | 4.104 pCi/L No EPA limit set
worst single sample: 4.12 pCi/L | 2/2 | SYR4 | 2013–2014 |
| Nitrate | 270 µg/L 2.7% of the EPA limit 10000 µg/L | 2/8 | SYR4 | 2012–2018 |
| Barium | 19 µg/L 1% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2013 |
| Monochloroacetic Acid | 2.11 µg/L No EPA limit set | 1/53 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 270 µg/L 2.7% of the EPA limit 10000 µg/L | 1/8 | SYR4 | 2012–2019 |
64 contaminants tested, none detected
Utility contact
Frequently asked questions about Cushing
Is Cushing tap water safe to drink?
EPA monitoring detected 19 contaminants in Cushing'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 Cushing's water?
EPA monitoring detected Fluoride, Bromodichloromethane, TTHM, Dibromochloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Cushing serve?
Cushing reports serving 8,371 people in Oklahoma, per its EPA record.
Has Cushing had any water quality violations?
The EPA has 36 violations on file for Cushing, of which 2 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.