Mercury in Wyoming Well Water

In Wyoming, mercury levels average 1.288 ppb, with a maximum recorded level of 3.274 ppb. The EPA limit is 2 ppb. Currently 10.3% of tested wells exceed this limit, affecting approximately 8,755 wells.

Testing for mercury in Wyoming typically costs around $31. If treatment is needed, water treatment systems for mercury cost approximately $880.

The risk level for mercury in Wyoming is rated as moderate. The state average of 1.288 ppb is 39.6% above the national average of 0.923 ppb.