Water Hardness Connecticut
Here are the water hardness values for the cities in Connecticut.
| City | AVG Hardness PPM / mg/L | AVG Hardness Grains per Gallon |
|---|---|---|
| Bridgeport | 168 | 10 |
| Danbury | 102 | 6 |
| East Hartford | 15 | 0.9 |
| Hartford | 15 | 0.9 |
| Milford | 166 | 10 |
| Norwalk | 55 | 3.3 |
| Torrington | 177 | 10 |
| West Hartford | 15 | 0.9 |
| Williamantic | 164 | 9 |