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 | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Resolved | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Resolved | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Resolved | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Resolved | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Resolved | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Resolved | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Resolved | 1996-11-01 → 1996-11-30 |
| MCL | Health-based | Resolved | 1996-11-01 → 1996-11-30 |
| Other | Monitoring | Unaddressed | 2022-08-17 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOS | 0.0141 µg/L | 4/6 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 890.9 µg/L 69% of the EPA limit 1300 µg/L
worst single sample: 2970 µg/L | 99/120 | SYR4 | 2012–2019 |
| Bromodichloromethane | 12.85 µg/L No EPA limit set
worst single sample: 15.4 µg/L | 80/80 | SYR4 | 2012–2019 |
| Chloroform | 15.315 µg/L No EPA limit set
worst single sample: 34.3 µg/L | 80/80 | SYR4 | 2012–2019 |
| Dibromochloromethane | 16.34 µg/L No EPA limit set
worst single sample: 17.9 µg/L | 80/80 | SYR4 | 2012–2019 |
| TTHM | 50.075 µg/L 63% of the EPA limit 80 µg/L
worst single sample: 55.1 µg/L | 80/80 | SYR4 | 2012–2019 |
| Bromoform | 11.31 µg/L No EPA limit set
worst single sample: 18.8 µg/L | 79/80 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 5.41 µg/L No EPA limit set
worst single sample: 7 µg/L | 76/80 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 5.92 µg/L No EPA limit set
worst single sample: 8.4 µg/L | 73/80 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 13.42 µg/L 22% of the EPA limit 60 µg/L
worst single sample: 15.5 µg/L | 55/80 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 3.968 µg/L No EPA limit set
worst single sample: 7.2 µg/L | 47/80 | SYR4 | 2012–2019 |
| Lead | 0.0013 mg/L 8.7% of the EPA limit 0.0150 mg/L | 22/22 | LCR | 2025 |
| Lead | 33.385 µg/L 223% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 36.7 µg/L | 4/120 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 2.085 µg/L No EPA limit set
worst single sample: 2.1 µg/L | 4/80 | SYR4 | 2012–2019 |
30 contaminants tested, none detected
Utility contact
Frequently asked questions about Western Water Company
Is Western Water Company tap water safe to drink?
EPA monitoring detected 14 contaminants in Western Water Company'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 Water Company's water?
EPA monitoring detected Copper, Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, and others. The full list with the level and data source for each is above.
How many people does Western Water Company serve?
Western Water Company reports serving 39,508 people in Ohio, per its EPA record.
Has Western Water Company had any water quality violations?
The EPA has 67 violations on file for Western Water Company, of which 9 are health-based (a contaminant limit or required treatment was breached) and 2 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.