Water Hardness Maine
Here are the water hardness values for the cities in Maine.
| City | AVG Hardness PPM / mg/L | AVG Hardness Grains per Gallon |
|---|---|---|
| Auburn | 17 | 1 |
| Augusta | 11 | 1 |
| Bangor | 6 | 0 |
| Lewiston | 17 | 1 |
| New England | 14 | 1 |
| Portland | 10 | 0.6 |
| Saco | 9 | 0 |
| South Portland | 10 | 0.6 |