Mercury in Minnesota Well Water

In Minnesota, mercury levels average 0.986 ppb, with a maximum recorded level of 2.8 ppb. The EPA limit is 2 ppb. Currently 14.3% of tested wells exceed this limit, affecting approximately 74,360 wells.

Testing for mercury in Minnesota typically costs around $63. If treatment is needed, water treatment systems for mercury cost approximately $3,803.

The risk level for mercury in Minnesota is rated as moderate. The state average of 0.986 ppb is 6.8% above the national average of 0.923 ppb.