Water Quality in Tennessee
Water hardness and contaminant data for 8 cities across Tennessee. Find your city below to see a detailed water quality profile.
8
Cities
104
Avg Hardness (PPM)
161
Hardest City (PPM)
Tennessee Cities by Water Hardness
| City | Hardness (PPM) | Level | PFAS (ppt) | Source |
|---|---|---|---|---|
| Murfreesboro | 161 | Hard | 4 | Percy Priest Reservoir |
| Franklin | 161 | Hard | 5 | Harpeth River |
| Clarksville | 140 | Hard | 4 | Cumberland River |
| Nashville | 110 | Hard | 4 | Cumberland River |
| Knoxville | 90 | Moderately Hard | 3 | Tennessee River + Fort Loudoun Lake |
| Chattanooga | 82 | Moderately Hard | 3 | Tennessee River |
| Jackson | 57 | Slightly Hard | 4 | South Fork Forked Deer River |
| Memphis | 33 | Slightly Hard | 5 | Memphis Sand Aquifer |