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 |
|---|---|---|---|
| RPT | Monitoring | Resolved | 2019-10-01 |
| RPT | Monitoring | Resolved | 2019-10-01 |
| RPT | Monitoring | Resolved | 2019-10-01 |
| RPT | Monitoring | Resolved | 2019-10-01 |
| MR | Monitoring | Resolved | 2019-10-01 → 2019-12-31 |
| MR | Monitoring | Resolved | 2019-10-01 → 2019-12-31 |
| MR | Monitoring | Resolved | 2019-10-01 → 2019-12-31 |
| MR | Monitoring | Resolved | 2019-10-01 → 2019-12-31 |
| MR | Monitoring | Resolved | 2018-10-01 |
| MR | Monitoring | Resolved | 2018-10-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 990 µg/L 9.9% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Copper | 272 µg/L 21% of the EPA limit 1300 µg/L
worst single sample: 650 µg/L | 15/15 | SYR4 | 2012–2018 |
| Lead | 1.91 µg/L 13% of the EPA limit 15 µg/L
worst single sample: 3.1 µg/L | 15/15 | SYR4 | 2012–2018 |
| Lead | 0.00045 mg/L 3% of the EPA limit 0.0150 mg/L | 6/6 | LCR | 2025 |
| Arsenic | 1.37 µg/L 14% of the EPA limit 10 µg/L
worst single sample: 1.4 µg/L | 3/3 | SYR4 | 2012–2018 |
| Barium | 9.52 µg/L 0.5% of the EPA limit 2000 µg/L
worst single sample: 9.7 µg/L | 3/3 | SYR4 | 2012–2018 |
| TTHM | 7.15 µg/L 8.9% of the EPA limit 80 µg/L
worst single sample: 7.4 µg/L | 3/3 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 2.76 µg/L 4.6% of the EPA limit 60 µg/L
worst single sample: 2.9 µg/L | 3/3 | SYR4 | 2012–2019 |
| Cyanide | 27.85 µg/L 14% of the EPA limit 200 µg/L
worst single sample: 29 µg/L | 2/4 | SYR4 | 2012–2018 |
| Chromium | 0.5330 µg/L 0.5% of the EPA limit 100 µg/L
worst single sample: 0.5400 µg/L | 2/3 | SYR4 | 2012–2018 |
| Fluoride | 288 µg/L 7.2% of the EPA limit 4000 µg/L
worst single sample: 290 µg/L | 2/3 | SYR4 | 2012–2018 |
| Gross Alpha, Excl. Radon And U | 0.6350 pCi/L 4.2% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2015 |
60 contaminants tested, none detected
Utility contact
Frequently asked questions about Zoar
Is Zoar tap water safe to drink?
EPA monitoring detected 12 contaminants in Zoar'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 Zoar's water?
EPA monitoring detected Nitrate, Copper, Lead, Lead, Arsenic, and others. The full list with the level and data source for each is above.
How many people does Zoar serve?
Zoar reports serving 100 people in Wisconsin, per its EPA record.
Has Zoar had any water quality violations?
The EPA has 57 violations on file for Zoar, of which 0 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.