Mayville Waterworks
PWSID: WI1140057
System Details
| Population Served | 5,112 |
| Service Connections | 1,893 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Mayville |
| Zip Code | 53050 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0270 mg/L | 0.015 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0130 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0042 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0036 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0033 mg/L | 0.015 mg/L | Below Action Level |
2 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-10-17 | Yes | Open |
| | 2024-10-17 | | Open |
Violation History (4 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2017-11-15 | | Returned to Compliance |
| | 2010-08-03 | | Returned to Compliance |