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 | 2009-01-01 |
| TT | Health-based | Resolved | 2009-01-01 |
| TT | Health-based | Resolved | 2009-01-01 |
| TT | Health-based | Resolved | 2009-01-01 |
| TT | Health-based | Resolved | 2003-04-01 → 2003-04-30 |
| TT | Health-based | Resolved | 2003-04-01 → 2003-04-30 |
| TT | Health-based | Resolved | 2003-04-01 → 2003-04-30 |
| TT | Health-based | Resolved | 2000-02-01 → 2000-02-29 |
| TT | Health-based | Resolved | 2000-02-01 → 2000-02-29 |
| TT | Health-based | Resolved | 2000-02-01 → 2000-02-29 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0098 µg/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 93.555 µg/L No EPA limit set
worst single sample: 109.5 µg/L | 130/130 | SYR4 | 2012–2019 |
| Bromodichloromethane | 13.66 µg/L No EPA limit set
worst single sample: 17.2 µg/L | 129/129 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 39.83 µg/L No EPA limit set
worst single sample: 47.3 µg/L | 128/128 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 63.975 µg/L 107% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 72.7 µg/L | 128/128 | SYR4 | 2012–2019 |
| TTHM | 105.51 µg/L 132% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 121.2 µg/L | 127/127 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 25.34 µg/L No EPA limit set
worst single sample: 27.6 µg/L | 127/127 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.985 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 124/125 | SYR4 | 2012–2019 |
| Nitrate | 380 µg/L 3.8% of the EPA limit 10000 µg/L
worst single sample: 470 µg/L | 96/194 | SYR4 | 2012–2019 |
| Lead | 15.9 µg/L 106% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 47 µg/L | 55/181 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 380 µg/L 3.8% of the EPA limit 10000 µg/L
worst single sample: 470 µg/L | 48/97 | SYR4 | 2012–2019 |
| Copper | 35 µg/L 2.7% of the EPA limit 1300 µg/L
worst single sample: 300 µg/L | 45/181 | SYR4 | 2012–2018 |
| Monochloroacetic Acid | 3.6 µg/L No EPA limit set
worst single sample: 6.5 µg/L | 41/128 | SYR4 | 2012–2019 |
| Lead | 0.0037 mg/L 25% of the EPA limit 0.0150 mg/L | 20/20 | LCR | 2025 |
| Dibromoacetic Acid | 1.5 µg/L No EPA limit set | 12/128 | SYR4 | 2012–2019 |
| Barium | 17 µg/L 0.9% of the EPA limit 2000 µg/L | 8/8 | SYR4 | 2012–2019 |
| Fluoride | 990.1 µg/L 25% of the EPA limit 4000 µg/L
worst single sample: 995 µg/L | 8/8 | SYR4 | 2012–2019 |
| Atrazine | 0.1685 µg/L 5.6% of the EPA limit 3 µg/L
worst single sample: 0.1700 µg/L | 4/8 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1.6 µg/L No EPA limit set | 1/128 | SYR4 | 2012–2019 |
| Simazine | 0.1400 µg/L 3.5% of the EPA limit 4 µg/L | 1/8 | SYR4 | 2012–2019 |
63 contaminants tested, none detected
Utility contact
Frequently asked questions about Warren City
Is Warren City tap water safe to drink?
EPA monitoring detected 20 contaminants in Warren City'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 Warren City's water?
EPA monitoring detected Chloroform, Bromodichloromethane, Dichloroacetic Acid, Total Haloacetic Acids (HAA5), TTHM, and others. The full list with the level and data source for each is above.
How many people does Warren City serve?
Warren City reports serving 49,130 people in Ohio, per its EPA record.
Has Warren City had any water quality violations?
The EPA has 196 violations on file for Warren City, of which 48 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.