Water Hardness Maryland
Here are the water hardness values for the cities in Maryland.
City | AVG Hardness PPM / mg/L | AVG Hardness Grains per Gallon |
---|---|---|
Annapolis | 70 | 4 |
Baltimore | 185 | 11 |
Frederick | 101 | 6 |
Gaithersburg | 71 | 4 |
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City | AVG Hardness PPM / mg/L | AVG Hardness Grains per Gallon |
---|---|---|
Annapolis | 70 | 4 |
Baltimore | 185 | 11 |
Frederick | 101 | 6 |
Gaithersburg | 71 | 4 |