We monitor water quality and make sure that regulation and control efforts are followed.
Access to quality drinking water is key to the health and well-being of Dane County residents. We expect our tap water to be clean and safe, and it almost always is in Dane County.
The biggest threats to safe drinking water in Dane County are:
Nitrates: Nitrates are particularly harmful to infants and pregnant people. Private wells can be contaminated by:
Recently, drinking water contaminated with perfluoroalkyl and polyfluoroalkyl substances (PFAS) has been getting a lot of attention. The Madison Water Utility has information about PFAS found in Madison wells. Our Environmental Hazards website section has general PFAS information.