Water Hardness South Dakota
Here are the water hardness values for the cities in South Dakota.
| City | AVG Hardness PPM / mg/L | AVG Hardness Grains per Gallon |
|---|---|---|
| Aberdeen | 380 | 22 |
| Pierre | 345 | 20 |
| Rapid City | 207 | 12 |
| Sioux Falls | 240 | 14.1 |
| Vermillion | 239 | 14 |
| City | AVG Hardness PPM / mg/L | AVG Hardness Grains per Gallon |
|---|---|---|
| Aberdeen | 380 | 22 |
| Pierre | 345 | 20 |
| Rapid City | 207 | 12 |
| Sioux Falls | 240 | 14.1 |
| Vermillion | 239 | 14 |