Montello Waterworks
PWSID: WI4390281
System Details
| Population Served | 1,329 |
| Service Connections | 492 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Montello |
| Zip Code | 53949 |
Areas Served
- Montello, Marquette County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0052 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0050 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0036 mg/L | 0.015 mg/L | Below Action Level |
3 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-02 | | Open |
| | 2024-10-17 | | Open |
| | 2024-10-17 | | Open |
Violation History (8 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-04-29 | Yes | Returned to Compliance |
| | 2024-10-17 | | Returned to Compliance |
| | 2024-10-17 | Yes | Returned to Compliance |
| | 1996-07-01 | | Returned to Compliance |
| | 1994-07-01 | Yes | Returned to Compliance |