Compliance record
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2025 |
| Copper | 311.7 µg/L 24% of the EPA limit 1300 µg/L
worst single sample: 391 µg/L | 14/20 | SYR4 | 2014–2017 |
| Dibromochloromethane | 2.06 µg/L No EPA limit set
worst single sample: 2.55 µg/L | 11/16 | SYR4 | 2013–2019 |
| Bromodichloromethane | 2.162 µg/L No EPA limit set
worst single sample: 2.39 µg/L | 9/16 | SYR4 | 2013–2019 |
| Chloroform | 1.4375 µg/L No EPA limit set
worst single sample: 1.48 µg/L | 6/16 | SYR4 | 2013–2019 |
| TTHM | 6.965 µg/L 8.7% of the EPA limit 80 µg/L
worst single sample: 7.55 µg/L | 6/16 | SYR4 | 2013–2019 |
| Barium | 54.22 µg/L 2.7% of the EPA limit 2000 µg/L
worst single sample: 54.4 µg/L | 3/3 | SYR4 | 2013–2019 |
| Bromoform | 1.099 µg/L No EPA limit set
worst single sample: 1.13 µg/L | 2/16 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 1.07 µg/L No EPA limit set | 1/16 | SYR4 | 2013–2019 |
| Lead | 11 µg/L 73% of the EPA limit 15 µg/L | 1/20 | SYR4 | 2014–2017 |
42 contaminants tested, none detected
Utility contact
Frequently asked questions about Madison Water District
Is Madison Water District tap water safe to drink?
EPA monitoring detected 10 contaminants in Madison Water District'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 Madison Water District's water?
EPA monitoring detected Lead, Copper, Dibromochloromethane, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Madison Water District serve?
Madison Water District reports serving 2,050 people in Ohio, per its EPA record.
Has Madison Water District had any water quality violations?
The EPA has no formal drinking-water violations on file for Madison Water District.
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.