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 | 2019-04-01 |
| RPT | Monitoring | Resolved | 2019-04-01 |
| RPT | Monitoring | Resolved | 2019-04-01 |
| MR | Monitoring | Resolved | 2019-04-01 → 2019-06-30 |
| MR | Monitoring | Resolved | 2019-04-01 → 2019-06-30 |
| MR | Monitoring | Resolved | 2019-04-01 → 2019-06-30 |
| MR | Monitoring | Resolved | 2017-01-01 → 2019-12-31 |
| MR | Monitoring | Resolved | 2017-01-01 → 2019-12-31 |
| MR | Monitoring | Resolved | 2017-01-01 → 2019-12-31 |
| MR | Monitoring | Resolved | 2017-01-01 → 2019-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 10000 µg/L 100% of the EPA limit 10000 µg/L | 36/42 | SYR4 | 2012–2019 |
| Copper | 794 µg/L 61% of the EPA limit 1300 µg/L | 15/15 | SYR4 | 2013–2019 |
| Lead | 12.8 µg/L 85% of the EPA limit 15 µg/L | 11/15 | SYR4 | 2013–2019 |
| Lead | 0.0054 mg/L 36% of the EPA limit 0.0150 mg/L | 6/6 | LCR | 2025 |
| TTHM | 3.5 µg/L 4.4% of the EPA limit 80 µg/L | 6/6 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 1.7 µg/L 2.8% of the EPA limit 60 µg/L | 5/6 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 8900 µg/L 89% of the EPA limit 10000 µg/L | 3/13 | SYR4 | 2012–2018 |
| Barium | 27 µg/L 1.4% of the EPA limit 2000 µg/L | 2/2 | SYR4 | 2013–2018 |
| Arsenic | 1.3 µg/L 13% of the EPA limit 10 µg/L | 1/2 | SYR4 | 2013–2018 |
| Cadmium | 0.1300 µg/L 2.6% of the EPA limit 5 µg/L | 1/2 | SYR4 | 2013–2018 |
| Combined Radium (-226 And -228) | 1.59 pCi/L 32% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2016 |
| Fluoride | 690 µg/L 17% of the EPA limit 4000 µg/L | 1/2 | SYR4 | 2013–2018 |
| Gross Alpha, Excl. Radon And U | 0.9100 pCi/L 6.1% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2016 |
| Nitrite | 8400 µg/L 840% of the EPA limit, in the worst sample — 1000 µg/L | 1/13 | SYR4 | 2012–2018 |
58 contaminants tested, none detected
Utility contact
Frequently asked questions about Ho-Chunk Che-Nunk
Is Ho-Chunk Che-Nunk tap water safe to drink?
EPA monitoring detected 14 contaminants in Ho-Chunk Che-Nunk'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 Ho-Chunk Che-Nunk's water?
EPA monitoring detected Nitrate, Copper, Lead, Lead, TTHM, and others. The full list with the level and data source for each is above.
How many people does Ho-Chunk Che-Nunk serve?
Ho-Chunk Che-Nunk reports serving 132 people in Wisconsin, per its EPA record.
Has Ho-Chunk Che-Nunk had any water quality violations?
The EPA has 22 violations on file for Ho-Chunk Che-Nunk, 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.