Cottage Grove Waterworks
PWSID: WI1130218
System Details
| Population Served | 9,345 |
| Service Connections | 3,461 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Cottage Grove |
| Zip Code | 53527-0156 |
Areas Served
- Cottage Grove, Dane County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| 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) | 0.0023 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-10-17 | | Open |
Violation History (2 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-10-17 | Yes | Returned to Compliance |