Nitrate in Idaho Well Water

In Idaho, nitrate levels average 7.133 mg/L, with a maximum recorded level of 24.249 mg/L. The EPA limit is 10 mg/L. Currently 10.0% of tested wells exceed this limit, affecting approximately 28,000 wells.

Testing for nitrate in Idaho typically costs around $73. If treatment is needed, water treatment systems for nitrate cost approximately $1,221.

The risk level for nitrate in Idaho is rated as moderate. The state average of 7.133 mg/L is 64.7% above the national average of 4.332 mg/L.