Water Hardness Arkansas
Here are the water hardness values for the cities in Arkansas.
| City | AVG Hardness PPM / mg/L | AVG Hardness Grains per Gallon |
|---|---|---|
| Fayetteville | 27 | 1 |
| Fort Smith | 28 | 1.7 |
| Little Rock | 23 | 1.4 |
| North Little Rock | 23 | 1.4 |
| Pine Bluff | 86 | 5 |
| Springdale | 29 | 2 |