Knapp Waterworks
PWSID: WI6170267
System Details
| Population Served | 486 |
| Service Connections | 229 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Knapp |
| Zip Code | 54749 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0060 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0005 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0005 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0005 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-09-02 | Yes | Open |
Violation History (37 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-04-01 | | Returned to Compliance |
| | 2024-04-01 | | Returned to Compliance |
| | 2024-04-01 | | Returned to Compliance |
| | 2023-08-01 | | Returned to Compliance |
| | 2023-08-01 | | Returned to Compliance |
| | 2023-08-01 | | Returned to Compliance |
| | 2023-02-01 | | Returned to Compliance |
| | 2023-02-01 | | Returned to Compliance |
| | 2023-02-01 | | Returned to Compliance |
| | 2022-09-09 | Major | Returned to Compliance |
| | 2022-09-09 | Major | Returned to Compliance |
| | 2022-09-09 | Major | Returned to Compliance |
| | 2022-09-09 | Major | Returned to Compliance |
| | 2020-01-01 | | Acknowledged |
| | 2020-01-01 | | Returned to Compliance |
| | 2020-01-01 | | Acknowledged |
| | 2020-01-01 | | Acknowledged |
| | 2020-01-01 | | Returned to Compliance |
| | 2020-01-01 | | Returned to Compliance |
| | 2020-01-01 | | Acknowledged |
| | 2020-01-01 | | Returned to Compliance |
| | 2020-01-01 | | Acknowledged |
| | 2020-01-01 | | Acknowledged |
| | 2020-01-01 | | Returned to Compliance |
| | 2020-01-01 | | Returned to Compliance |
| | 2018-01-01 | Major | Returned to Compliance |
| | 2018-01-01 | Major | Returned to Compliance |
| | 2017-04-01 | Major | Returned to Compliance |
| | 2017-04-01 | Major | Returned to Compliance |
| | 2017-01-01 | | Returned to Compliance |
| | 2017-01-01 | | Returned to Compliance |
| | 2016-06-01 | | Returned to Compliance |
| | 2016-06-01 | | Returned to Compliance |
| | 2010-07-01 | | Returned to Compliance |
| | 2007-03-01 | | Returned to Compliance |
| | 2006-07-01 | | Returned to Compliance |