Total Dissolved Solids in California Well Water

In California, total dissolved solids levels average 175.52 mg/L, with a maximum recorded level of 443.18 mg/L. The EPA limit is 500 mg/L. Currently 1.8% of tested wells exceed this limit, affecting approximately 21,600 wells.

Testing for total dissolved solids in California typically costs around $103. If treatment is needed, water treatment systems for total dissolved solids cost approximately $693.

The risk level for total dissolved solids in California is rated as minimal. The state average of 175.52 mg/L is 54.5% below the national average of 385.918 mg/L.