Hennepin County tap water
1 of 25 water systems serving Hennepin County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 44 community water systems list this county as served; 24 serve 3,300+ people with full PFAS testing.
- 0 had a health-based violation since 2021-10-26.
Largest systems serving this county
| System | Source | People served (whole system) | PFAS above a 2024 level? | Violations since 2021-10-26 |
|---|---|---|---|---|
| Minneapolis | Surface water | 425,300 | No | 0 |
| Bloomington | Purchased surface water | 91,300 | No | 0 |
| Brooklyn Park | Groundwater | 89,995 | Yes | 0 |
| Maple Grove | Groundwater | 82,000 | No | 0 |
| Plymouth | Groundwater | 76,546 | No | 0 |
| Eden Prairie | Groundwater | 63,726 | No | 0 |
| Minnetonka | Groundwater | 54,474 | No | 0 |
| Edina | Groundwater | 53,494 | No | 0 |
| Saint Louis Park | Groundwater | 50,010 | No | 0 |
| Richfield | Groundwater | 38,482 | No | 0 |
| Brooklyn Center | Groundwater | 33,782 | No | 0 |
| Champlin | Groundwater | 23,919 | No | 0 |
Which one is yours? A county usually has several utilities. Your bill or your utility's annual water-quality report names yours. Population is for the whole system, which can cross county lines.
Not medical or legal advice. UCMR 5 results are screening data, not compliance determinations.
Sources and freshness
Public-water-system facts, violations and lead/copper results: EPA ECHO SDWA download (SDWIS snapshot 2026-10-13). PFAS and lithium results: EPA UCMR 5 final data (sampling 2023–2025). Both are U.S. government works, downloaded 2026-10-26. Numbers are computed by the published method; the same fields are in the open data files.