The quality of Wisconsin's drinking waterWhat you need to know
Safe, clean drinking water is what we expect when we turn on our faucets. The Wisconsin DNR works to protect the quality and quantity of the state’s water resources and ensure the safety of drinking water. We're here to help you be better informed consumers when it comes to your drinking water.
- Current topics
Learn about current drinking water topics and resources available from DNR.
- Drinking water
Learn about activities that affect the safety, quality and availability of drinking water.
About one-quarter of Wisconsin’s population drinks water drawn from over 800,000 private wells.