Nitrate in Connecticut Well Water

In Connecticut, nitrate levels average 6.288 mg/L, with a maximum recorded level of 29.6 mg/L. The EPA limit is 10 mg/L. Currently 7.7% of tested wells exceed this limit, affecting approximately 44,660 wells.

Testing for nitrate in Connecticut typically costs around $83. If treatment is needed, water treatment systems for nitrate cost approximately $1,911.

The risk level for nitrate in Connecticut is rated as low. The state average of 6.288 mg/L is 45.2% above the national average of 4.332 mg/L.