Home › Tennessee

Tennessee Water Hardness

5 cities ranked by hardness.

Knoxville

8.6 GPG · 147 ppm
Hard

Clarksville

8.4 GPG · 144 ppm
Hard

Chattanooga

7.9 GPG · 135 ppm
Hard

Nashville

5.2 GPG · 89 ppm
Moderate

Memphis

2.4 GPG · 40 ppm
Soft