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 |
|---|---|---|---|
| Other | Monitoring | Resolved | 2025-07-01 |
| Other | Monitoring | Resolved | 2025-07-01 |
| Other | Monitoring | Unaddressed | 2019-01-23 |
| MR | Monitoring | Resolved | 2014-01-01 → 2014-12-31 |
| MR | Monitoring | Resolved | 2014-01-01 → 2014-12-31 |
| MR | Monitoring | Resolved | 2014-01-01 → 2014-12-31 |
| MR | Monitoring | Resolved | 2014-01-01 → 2014-12-31 |
| MR | Monitoring | Resolved | 2014-01-01 → 2014-12-31 |
| MR | Monitoring | Resolved | 2014-01-01 → 2014-12-31 |
| MR | Monitoring | Resolved | 2014-01-01 → 2014-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 387 µg/L 30% of the EPA limit 1300 µg/L | 78/80 | SYR4 | 2014–2019 |
| Lead | 6.3 µg/L 42% of the EPA limit 15 µg/L | 38/80 | SYR4 | 2014–2019 |
| Nitrate | 1430 µg/L 14% of the EPA limit 10000 µg/L | 30/30 | SYR4 | 2012–2019 |
| Bromodichloromethane | 10.04 µg/L No EPA limit set | 23/26 | SYR4 | 2012–2019 |
| Dibromochloromethane | 10.16 µg/L No EPA limit set | 23/26 | SYR4 | 2012–2019 |
| Bromoform | 3.02 µg/L No EPA limit set | 19/26 | SYR4 | 2012–2019 |
| Lead | 0.0017 mg/L 11% of the EPA limit 0.0150 mg/L | 19/19 | LCR | 2025 |
| Chloroform | 6.87 µg/L No EPA limit set | 18/26 | SYR4 | 2012–2019 |
| TTHM | 30.09 µg/L 38% of the EPA limit 80 µg/L | 16/16 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 3.009 µg/L No EPA limit set | 15/16 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 7.084 µg/L 12% of the EPA limit 60 µg/L | 15/16 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 2.844 µg/L No EPA limit set | 10/16 | SYR4 | 2012–2019 |
| Barium | 114 µg/L 5.7% of the EPA limit 2000 µg/L | 3/3 | SYR4 | 2012–2018 |
| Fluoride | 668 µg/L 17% of the EPA limit 4000 µg/L | 3/3 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 711 µg/L 7.1% of the EPA limit 10000 µg/L | 3/3 | SYR4 | 2012–2017 |
| Trichloroacetic Acid | 1.492 µg/L No EPA limit set | 3/16 | SYR4 | 2012–2019 |
| Xylenes, Total | 1.92 µg/L 0% of the EPA limit 10000 µg/L | 2/10 | SYR4 | 2012–2019 |
63 contaminants tested, none detected
Utility contact
Frequently asked questions about Jefferson Regional Water Authority
Is Jefferson Regional Water Authority tap water safe to drink?
EPA monitoring detected 20 contaminants in Jefferson Regional Water Authority'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 Jefferson Regional Water Authority's water?
EPA monitoring detected Copper, Lead, Nitrate, Bromodichloromethane, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Jefferson Regional Water Authority serve?
Jefferson Regional Water Authority reports serving 4,813 people in Ohio, per its EPA record.
Has Jefferson Regional Water Authority had any water quality violations?
The EPA has 190 violations on file for Jefferson Regional Water Authority, of which 0 are health-based (a contaminant limit or required treatment was breached) and 1 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.