Polk County tap water
5 of 21 water systems serving Polk County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 149 community water systems list this county as served; 19 serve 3,300+ people with full PFAS testing.
- 9 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 |
|---|---|---|---|---|
| Lakeland, City of | Groundwater | 193,297 | No | 0 |
| Winter Haven Water department | Groundwater | 87,537 | Yes | 0 |
| Northeast | Groundwater | 60,557 | Yes | 1 |
| Southwest/Polk County Utility | Groundwater | 39,209 | No | 0 |
| Auburndale, City of | Groundwater | 35,239 | No | 0 |
| Haines City, City of | Groundwater | 30,545 | No | 0 |
| Northwest | Groundwater | 28,082 | No | 0 |
| Bartow, City of | Groundwater | 21,501 | No | 0 |
| Lake Wales, City of | Groundwater | 18,722 | Yes | 0 |
| Central | Groundwater | 13,595 | No | 0 |
| Davenport, City of | Groundwater | 9,043 | Yes | 0 |
| Lake Alfred, City of | Groundwater | 5,584 | Yes | 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.