Total Dissolved Solids in Illinois Well Water

In Illinois, total dissolved solids levels average 152.26 mg/L, with a maximum recorded level of 335 mg/L. The EPA limit is 500 mg/L. Currently 5.7% of tested wells exceed this limit, affecting approximately 25,650 wells.

Testing for total dissolved solids in Illinois typically costs around $111. If treatment is needed, water treatment systems for total dissolved solids cost approximately $1,790.

The risk level for total dissolved solids in Illinois is rated as low. The state average of 152.26 mg/L is 60.5% below the national average of 385.918 mg/L.