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 | 2024-10-17 |
| TT | Health-based | Resolved | 2024-10-17 |
| TT | Health-based | Resolved | 2014-12-01 → 2014-12-31 |
| TT | Health-based | Resolved | 2014-12-01 → 2014-12-31 |
| TT | Health-based | Resolved | 2014-12-01 → 2014-12-31 |
| TT | Health-based | Resolved | 2014-12-01 → 2014-12-31 |
| TT | Health-based | Resolved | 2014-12-01 → 2014-12-31 |
| TT | Health-based | Resolved | 2014-12-01 → 2014-12-31 |
| TT | Health-based | Resolved | 2014-02-01 → 2014-02-28 |
| TT | Health-based | Resolved | 2014-02-01 → 2014-02-28 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 188 µg/L 14% of the EPA limit 1300 µg/L
worst single sample: 420 µg/L | 213/214 | SYR4 | 2014–2019 |
| Lead | 22 µg/L 147% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 96 µg/L | 204/214 | SYR4 | 2014–2019 |
| Bromodichloromethane | 17.65 µg/L No EPA limit set
worst single sample: 21 µg/L | 128/128 | SYR4 | 2012–2019 |
| Chloroform | 61 µg/L No EPA limit set
worst single sample: 89 µg/L | 128/128 | SYR4 | 2012–2019 |
| Dibromochloromethane | 6.83 µg/L No EPA limit set
worst single sample: 8 µg/L | 128/128 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 22 µg/L No EPA limit set
worst single sample: 32 µg/L | 124/124 | SYR4 | 2012–2019 |
| TTHM | 83.716 µg/L 105% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 117.05 µg/L | 124/124 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 34.281 µg/L 57% of the EPA limit 60 µg/L
worst single sample: 46.43 µg/L | 124/124 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 11 µg/L No EPA limit set
worst single sample: 14 µg/L | 124/124 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.7 µg/L No EPA limit set
worst single sample: 2 µg/L | 102/124 | SYR4 | 2012–2019 |
| Fluoride | 840 µg/L 21% of the EPA limit 4000 µg/L
worst single sample: 990 µg/L | 100/196 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 0.9760 µg/L No EPA limit set
worst single sample: 1 µg/L | 33/124 | SYR4 | 2012–2019 |
| Lead | 0.0130 mg/L 87% of the EPA limit 0.0150 mg/L | 22/22 | LCR | 2025 |
| Nitrate | 460 µg/L 4.6% of the EPA limit 10000 µg/L | 10/10 | SYR4 | 2012–2018 |
| Bromoform | 0.6020 µg/L No EPA limit set
worst single sample: 0.6100 µg/L | 5/128 | SYR4 | 2012–2019 |
| Barium | 20 µg/L 1% of the EPA limit 2000 µg/L | 4/4 | SYR4 | 2014–2019 |
| Monochloroacetic Acid | 3.515 µg/L No EPA limit set
worst single sample: 3.8 µg/L | 4/124 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 414 µg/L 4.1% of the EPA limit 10000 µg/L
worst single sample: 420 µg/L | 4/4 | SYR4 | 2014–2019 |
| Chromium | 2.9 µg/L 2.9% of the EPA limit 100 µg/L | 1/4 | SYR4 | 2014–2019 |
| Combined Radium (-226 And -228) | 0.7000 pCi/L 14% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2014 |
57 contaminants tested, none detected
Utility contact
Frequently asked questions about Two Rivers Waterworks
Is Two Rivers Waterworks tap water safe to drink?
EPA monitoring detected 20 contaminants in Two Rivers Waterworks'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 Two Rivers Waterworks's water?
EPA monitoring detected Copper, Lead, Bromodichloromethane, Chloroform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Two Rivers Waterworks serve?
Two Rivers Waterworks reports serving 11,270 people in Wisconsin, per its EPA record.
Has Two Rivers Waterworks had any water quality violations?
The EPA has 300 violations on file for Two Rivers Waterworks, of which 16 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.