Nitrate in Louisiana Well Water

In Louisiana, nitrate levels average 1.707 mg/L, with a maximum recorded level of 4.366 mg/L. The EPA limit is 10 mg/L. Currently 7.0% of tested wells exceed this limit, affecting approximately 17,500 wells.

Testing for nitrate in Louisiana typically costs around $125. If treatment is needed, water treatment systems for nitrate cost approximately $1,241.

The risk level for nitrate in Louisiana is rated as low. The state average of 1.707 mg/L is 60.6% below the national average of 4.332 mg/L.