Iron in California Well Water

In California, iron levels average 0.068 mg/L, with a maximum recorded level of 0.202 mg/L. The EPA limit is 0.3 mg/L. Currently 11.2% of tested wells exceed this limit, affecting approximately 134,400 wells.

Testing for iron in California typically costs around $103. If treatment is needed, water treatment systems for iron cost approximately $2,023.

The risk level for iron in California is rated as moderate. The state average of 0.068 mg/L is 47.7% below the national average of 0.130 mg/L.