PFAS detected in Tennessee water systems
EPA UCMR 5 monitoring (2023–2025) detected PFOA or PFOS at or above 6 parts per trillion in these 18 large Tennessee public water systems, each serving more than 10,000 people. Select a system to see exactly what was detected and the certified filters that reduce it.
Tennessee systems, highest detections first
| Water system | PFOA (ppt) | PFOS (ppt) | vs. 4 ppt reference | View |
|---|---|---|---|---|
| Savannah Valley U. D. | 35 | 18 | 8.8× | |
| Fort Campbell Water System | 6.4 | 27.3 | 6.8× | |
| Jackson Water System | — | 20 | 5× | |
| Savannah Utility Dept | — | 15.8 | 4× | |
| Hillsville Utility District | 11.9 | 7.3 | 3× | |
| Manchester Water Department, TN | 11.6 | 6.6 | 2.9× | |
| Marshall Co BD P.U. #1 | 11 | 5 | 2.8× | |
| Tullahoma Utilities Authority | 9.6 | 4.8 | 2.4× | |
| Lewisburg Water System | 8.8 | 5.3 | 2.2× | |
| Bedford County Utility District | 8.2 | 4.8 | 2× | |
| Nolensville-College Grove Ud | 8.1 | — | 2× | |
| Shelbyville Water System | 7.9 | 5.9 | 2× | |
| Maury Co Water System | 7.1 | 4.1 | 1.8× | |
| Erwin Utilities Authority | 4.1 | 6.7 | 1.7× | |
| Wilson Co Water & Wastewater | 6.5 | — | 1.6× | |
| Spring Hill Water Dept | 6.1 | — | 1.5× | |
| Murfreesboro Water Department | 6 | — | 1.5× | |
| Ocoee Utility District | 6 | 4.5 | 1.5× |
Highest single EPA UCMR 5 detections (2023–2025), in parts per trillion. The last column is the multiple of the 4 ppt federal reference level for PFOA/PFOS — shown as context only, not a compliance or health determination. — means the compound was not detected at or above 6 ppt.
Not sure what's in your own water? Test it first, then run the selector for a recommendation matched to your home, or read what PFAS is and how it's removed.