Lead in Wisconsin Well Water

In Wisconsin, lead levels average 2.015 ppb, with a maximum recorded level of 4.115 ppb. The EPA limit is 15 ppb. Currently 11.4% of tested wells exceed this limit, affecting approximately 88,920 wells.

Testing for lead in Wisconsin typically costs around $35. If treatment is needed, water treatment systems for lead cost approximately $2,363.

The risk level for lead in Wisconsin is rated as moderate. The state average of 2.015 ppb is 67.5% below the national average of 6.196 ppb.