Water Quality Testing

Madison's drinking water is closely regulated by both the EPA and DNR. Our testing experts conduct more than a thousand tests every month to continuously monitor quality and safety, ensuring Madison's drinking water more than meets strict Federal and State drinking water standards.

Latest Annual Water Quality Report

Find out the water quality for wells serving your address.

What We Test For

Other Concerns

Testing results for individual wells

A detailed description of our water quality treatment policies is available here.