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 (PDF)
Find out the water quality for wells serving your address.
What we test for
You can find a detailed report on our water quality monitoring process here.
Lead and Copper
Pharmaceuticals and Endocrine Disruptors