Household Water, Well & Septic

Clean drinking water is essential to health. We provide water testing to help you know if you are drinking safe, healthy water. We protect our groundwater from contamination by inspecting private septic systems. 

pouring a glass of water

Drinking Water Testing

Find out how to get your water tested through our Laboratory.

Private Septic Systems

Get information about sanitary permits, inspections, and maintenance for private septic systems.

Private Wells

Learn what to do before building a well. Get information about maintaining your well water system. 

Water Quality

Get data on the water quality in Madison and Dane County.

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