Chloride in Colorado Well Water

In Colorado, chloride levels average 100.838 mg/L, with a maximum recorded level of 234.333 mg/L. The EPA limit is 250 mg/L. Currently 14.6% of tested wells exceed this limit, affecting approximately 51,100 wells.

Testing for chloride in Colorado typically costs around $150. If treatment is needed, water treatment systems for chloride cost approximately $3,876.

The risk level for chloride in Colorado is rated as moderate. The state average of 100.838 mg/L is 12.2% below the national average of 114.869 mg/L.