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 | Resolved | 2022-05-01 → 2022-05-31 |
| MCL | Health-based | Resolved | 2022-05-01 → 2022-05-31 |
| MCL | Health-based | Resolved | 2022-05-01 → 2022-05-31 |
| MCL | Health-based | Resolved | 2022-05-01 → 2022-05-31 |
| MCL | Health-based | Resolved | 1993-09-21 → 1993-12-20 |
| MR | Monitoring | Unaddressed | 2026-03-13 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-04-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-04-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-04-30 |
| MON | Monitoring | Resolved | 2025-04-01 → 2025-04-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 238.4 µg/L 18% of the EPA limit 1300 µg/L
worst single sample: 276 µg/L | 17/20 | SYR4 | 2013–2017 |
| Lead | 0.0127 mg/L 85% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2020 |
| Nitrate-Nitrite | 907 µg/L 9.1% of the EPA limit 10000 µg/L
worst single sample: 970 µg/L | 10/13 | SYR4 | 2012–2019 |
| Bromoform | 8.49 µg/L No EPA limit set
worst single sample: 8.71 µg/L | 3/5 | SYR4 | 2014–2018 |
| Combined Uranium | 20.84 µg/L 69% of the EPA limit 30 µg/L
worst single sample: 21.8 µg/L | 3/3 | SYR4 | 2013–2015 |
| Dibromoacetic Acid | 2.284 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 3/4 | SYR4 | 2014–2018 |
| Dibromochloromethane | 8.466 µg/L No EPA limit set
worst single sample: 8.94 µg/L | 3/5 | SYR4 | 2014–2018 |
| TTHM | 18.54 µg/L 23% of the EPA limit 80 µg/L
worst single sample: 19.3 µg/L | 3/4 | SYR4 | 2014–2018 |
| Total Haloacetic Acids (HAA5) | 2.284 µg/L 3.8% of the EPA limit 60 µg/L
worst single sample: 2.3 µg/L | 3/4 | SYR4 | 2014–2018 |
| Bromodichloromethane | 3.754 µg/L No EPA limit set
worst single sample: 3.82 µg/L | 2/5 | SYR4 | 2014–2018 |
| Combined Radium (-226 And -228) | 0.3876 pCi/L 7.8% of the EPA limit 5 pCi/L
worst single sample: 0.3940 pCi/L | 2/3 | SYR4 | 2013–2015 |
| Gross Beta Particle Activity | 6.7665 pCi/L No EPA limit set
worst single sample: 6.77 pCi/L | 2/3 | SYR4 | 2013–2015 |
| Nitrate | 600 µg/L 6% of the EPA limit 10000 µg/L | 2/2 | SYR4 | 2017 |
| Arsenic | 2.5 µg/L 25% of the EPA limit 10 µg/L | 1/2 | SYR4 | 2012–2014 |
| Barium | 246 µg/L 12% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2013 |
| Chloroform | 1.2 µg/L No EPA limit set | 1/5 | SYR4 | 2014–2018 |
| Fluoride | 310 µg/L 7.8% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2013 |
| Gross Alpha, Excl. Radon And U | 1.38 pCi/L 9.2% of the EPA limit 15 pCi/L | 1/3 | SYR4 | 2013–2015 |
| Selenium | 5.5 µg/L 11% of the EPA limit 50 µg/L | 1/1 | SYR4 | 2013 |
41 contaminants tested, none detected
Utility contact
Frequently asked questions about Billings Pwa
Is Billings Pwa tap water safe to drink?
EPA monitoring detected 19 contaminants in Billings Pwa'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 Billings Pwa's water?
EPA monitoring detected Copper, Lead, Nitrate-Nitrite, Bromoform, Combined Uranium, and others. The full list with the level and data source for each is above.
How many people does Billings Pwa serve?
Billings Pwa reports serving 436 people in Oklahoma, per its EPA record.
Has Billings Pwa had any water quality violations?
The EPA has 270 violations on file for Billings Pwa, of which 5 are health-based (a contaminant limit or required treatment was breached) and 3 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.