Water Hardness South Carolina
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Water Hardness South Carolina

Here are the water hardness values for the cities in South Carolina.
City AVG Hardness PPM / mg/L AVG Hardness Grains per Gallon
Charleston 58 3.4
Columbia 34.5 2.1
Florence 31 2
Greenville 21 1
Mount Pleasant 49 2.9
Mrytle Beach 38 2
North Charleston 58 3.4
Rock Hill 28 1.7
Spartanburg  32 2
Summerville 21 1.3
Sumter  19 1