Water: Local Drinking Water Information
Wisconsin Drinking Water
Note: The external links to state web sites and contacts may not be accurate at this time, we are currently reviewing this information. Please check back with us for the updates on these pages.
The water you drink
Drinking water suppliers now provide reports (sometimes called consumer confidence reports) that tell where drinking water comes from, and what contaminants may be in it.
- Read your water quality report , or
- contact your water supplier to get a copy.
To view the information about your drinking water supplier that is in EPA's database, please visit the Envirofacts page on your state.
Envirofacts data on WisconsinIf your drinking water comes from a private well, you are responsible for your water's safety. EPA rules do not apply to private wells (although some state rules do), but EPA recommends that well owners have their water tested annually. Contact your state to get a list of certified commercial laboratories that test drinking water.
Where does drinking water come from?
To find out about the watershed that supplies your drinking water and how to protect it, click here. If your water comes from a ground water source, read about your state's ground water quality.
State drinking water offices
Wisconsin's drinking water program
Bureau of Water Supply
Wisconsin Dept. of Natural Resources
PO Box 7921
Madison, WI 53707
Phone: 608-266-2299
Fax: 608-267-7650
Wisconsin's source water program
Bureau of Drinking Water and Groundwater
Wisconsin Dept. of Natural Resources
PO Box 7921
Madison, WI 53707-7921
Phone: 608-266-5234
Fax: 608-267-7650
Compliance trends
Each state produces an annual report on trends among its drinking water systems. Wisconsin's report is not online, but read EPA's national summary to learn how to get a copy.
Funds for safer water
States can use funds that the EPA makes available through the Drinking Water State Revolving Fund program to help their water suppliers improve drinking water quality. Find out more about Wisconsin's program.
For general information on drinking water
Contact EPA's Safe Drinking Water Hotline at 1-800-426-4791.