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 | 2023-05-02 |
| TT | Health-based | Resolved | 2023-05-02 |
| TT | Health-based | Resolved | 2023-05-02 |
| TT | Health-based | Resolved | 2023-05-02 |
| MCL | Health-based | Resolved | 2012-10-01 → 2012-10-31 |
| MCL | Health-based | Resolved | 2012-10-01 → 2012-10-31 |
| MCL | Health-based | Resolved | 2012-10-01 → 2012-10-31 |
| MCL | Health-based | Resolved | 2012-10-01 → 2012-10-31 |
| MCL | Health-based | Resolved | 2012-10-01 → 2012-10-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 8.44 µg/L 0.6% of the EPA limit 1300 µg/L
worst single sample: 8.7 µg/L | 14/20 | SYR4 | 2012–2018 |
| Lead | 0.00022 mg/L 1.5% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2024 |
| Barium | 14 µg/L 0.7% of the EPA limit 2000 µg/L | 9/9 | SYR4 | 2012–2018 |
| Fluoride | 940 µg/L 24% of the EPA limit 4000 µg/L | 9/9 | SYR4 | 2012–2018 |
| Chloroform | 0.9685 µg/L No EPA limit set
worst single sample: 0.9700 µg/L | 4/4 | SYR4 | 2015–2016 |
| Combined Radium (-226 And -228) | 1.49 pCi/L 30% of the EPA limit 5 pCi/L
worst single sample: 1.5 pCi/L | 3/3 | SYR4 | 2015 |
| Lead | 0.2880 µg/L 1.9% of the EPA limit 15 µg/L
worst single sample: 0.2900 µg/L | 2/20 | SYR4 | 2012–2018 |
| Nitrate | 230 µg/L 2.3% of the EPA limit 10000 µg/L | 2/30 | SYR4 | 2013–2019 |
| Styrene | 6.23 µg/L 6.2% of the EPA limit 100 µg/L
worst single sample: 6.4 µg/L | 2/23 | SYR4 | 2012–2019 |
55 contaminants tested, none detected
Utility contact
Frequently asked questions about 52nd Ave Water Group
Is 52nd Ave Water Group tap water safe to drink?
EPA monitoring detected 9 contaminants in 52nd Ave Water Group'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 52nd Ave Water Group's water?
EPA monitoring detected Copper, Lead, Barium, Fluoride, Chloroform, and others. The full list with the level and data source for each is above.
How many people does 52nd Ave Water Group serve?
52nd Ave Water Group reports serving 35 people in Wisconsin, per its EPA record.
Has 52nd Ave Water Group had any water quality violations?
The EPA has 1789 violations on file for 52nd Ave Water Group, of which 17 are health-based (a contaminant limit or required treatment was breached) and 2 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.