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 | 2025-09-07 |
| TT | Health-based | Resolved | 2025-09-07 |
| TT | Health-based | Resolved | 2025-09-07 |
| TT | Health-based | Resolved | 2024-08-20 |
| TT | Health-based | Resolved | 2024-08-20 |
| TT | Health-based | Resolved | 2024-08-20 |
| TT | Health-based | Resolved | 2024-08-20 |
| MCL | Health-based | Resolved | 2014-08-01 → 2014-08-31 |
| MCL | Health-based | Resolved | 2014-08-01 → 2014-08-31 |
| MCL | Health-based | Resolved | 2014-08-01 → 2014-08-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Dibromochloromethane | 13.22 µg/L No EPA limit set
worst single sample: 25 µg/L | 128/128 | SYR4 | 2012–2019 |
| TTHM | 82.3 µg/L 103% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 103 µg/L | 128/128 | SYR4 | 2012–2019 |
| Bromodichloromethane | 23.07 µg/L No EPA limit set
worst single sample: 26.7 µg/L | 127/128 | SYR4 | 2012–2019 |
| Chloroform | 56.84 µg/L No EPA limit set
worst single sample: 68.3 µg/L | 127/128 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 29.37 µg/L 49% of the EPA limit 60 µg/L
worst single sample: 47.7 µg/L | 124/128 | SYR4 | 2012–2019 |
| Copper | 218.3 µg/L 17% of the EPA limit 1300 µg/L
worst single sample: 431 µg/L | 90/90 | SYR4 | 2013–2019 |
| Bromoform | 4.448 µg/L No EPA limit set
worst single sample: 9 µg/L | 45/128 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 14.905 µg/L No EPA limit set
worst single sample: 20.7 µg/L | 20/20 | SYR4 | 2018–2019 |
| Trichloroacetic Acid | 20.83 µg/L No EPA limit set
worst single sample: 27.1 µg/L | 20/20 | SYR4 | 2018–2019 |
| Lead | 0.00095 mg/L 6.3% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2025 |
| Lead | 5.5085 µg/L 37% of the EPA limit 15 µg/L
worst single sample: 6.8 µg/L | 8/90 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.75 µg/L No EPA limit set
worst single sample: 1.78 µg/L | 6/20 | SYR4 | 2018–2019 |
| Monobromoacetic Acid | 1.516 µg/L No EPA limit set
worst single sample: 1.53 µg/L | 3/20 | SYR4 | 2018–2019 |
| Monochloroacetic Acid | 3.149 µg/L No EPA limit set
worst single sample: 3.22 µg/L | 3/20 | SYR4 | 2018–2019 |
| Lithium | 9.69 µg/L No EPA limit set | 3/16 | UCMR-5 | 2025 |
27 contaminants tested, none detected
Utility contact
Frequently asked questions about Western Allegheny County Mun a
Is Western Allegheny County Mun a tap water safe to drink?
EPA monitoring detected 17 contaminants in Western Allegheny County Mun a'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 Western Allegheny County Mun a's water?
EPA monitoring detected Dibromochloromethane, TTHM, Bromodichloromethane, Chloroform, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Western Allegheny County Mun a serve?
Western Allegheny County Mun a reports serving 19,031 people in Pennsylvania, per its EPA record.
Has Western Allegheny County Mun a had any water quality violations?
The EPA has 93 violations on file for Western Allegheny County Mun a, of which 27 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.