Mercury in South Carolina Well Water

In South Carolina, mercury levels average 0.631 ppb, with a maximum recorded level of 1.439 ppb. The EPA limit is 2 ppb. Currently 8.8% of tested wells exceed this limit, affecting approximately 42,240 wells.

Testing for mercury in South Carolina typically costs around $66. If treatment is needed, water treatment systems for mercury cost approximately $2,485.

The risk level for mercury in South Carolina is rated as moderate. The state average of 0.631 ppb is 31.6% below the national average of 0.923 ppb.