Water Hardness Tennessee
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Water Hardness Tennessee

Here are the water hardness values for the cities in Tennessee.
City AVG Hardness PPM / mg/L AVG Hardness Grains per Gallon
Bartlett 38.8 2.3
Chattanooga 71 4.2
Clarksville 97 5.7
Franklin 145 8.5
Jackson 47 2.8
Knoxville 84 5
Memphis 45 2.7
Smyrna 90 5.3