Total Dissolved Solids in Washington Well Water

In Washington, total dissolved solids levels average 416.2 mg/L, with a maximum recorded level of 909.02 mg/L. The EPA limit is 500 mg/L. Currently 15.3% of tested wells exceed this limit, affecting approximately 73,440 wells.

Testing for total dissolved solids in Washington typically costs around $55. If treatment is needed, water treatment systems for total dissolved solids cost approximately $2,762.

The risk level for total dissolved solids in Washington is rated as high. The state average of 416.2 mg/L is 7.8% above the national average of 385.918 mg/L.