Uranium in California Well Water

In California, uranium levels average 15.93 ppb, with a maximum recorded level of 57.652 ppb. The EPA limit is 30 ppb. Currently 8.7% of tested wells exceed this limit, affecting approximately 104,400 wells.

Testing for uranium in California typically costs around $55. If treatment is needed, water treatment systems for uranium cost approximately $4,908.

The risk level for uranium in California is rated as moderate. The state average of 15.93 ppb is 12.7% above the national average of 14.136 ppb.