Reminder of Water Risk in Private Wells News | April 18, 2026 | 0 | by Morgan McCarthy The Wisconsin Department of Natural Resources is warning heavy rain and flooding could contaminate private wells across the state. DNR officials say floodwater and runoff may carry bacteria and other contaminants that can affect drinking water and increase the risk of illness. Private well owners are urged to test water, especially if they notice changes in taste, color, or sediment. Residents are advised to stop using contaminated water, disinfect wells, and test them before use. Authorities say public water systems remain safe, but warn contamination is possible. CLICK HERE FOR MORE INFO.