Water Hardness in Delaware Well Water

In Delaware, water hardness levels average 125.03 mg/L CaCO3, with a maximum recorded level of 253.84 mg/L CaCO3. The EPA limit is 180 mg/L CaCO3. Currently 2.6% of tested wells exceed this limit, affecting approximately 2,210 wells.

Testing for water hardness in Delaware typically costs around $26. If treatment is needed, water treatment systems for water hardness cost approximately $1,220.

The risk level for water hardness in Delaware is rated as minimal. The state average of 125.03 mg/L CaCO3 is 9.5% below the national average of 138.229 mg/L CaCO3.