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Look up
data about the quality of groundwater near homes or businesses or get an estimate of groundwater availability.
Protect
the quality and quantity of groundwater for your family, business customers and community.
Learn
where your groundwater comes from and how it moves underground to reach your drinking water well and the lakes and streams you enjoy.

GCC Report to the Legislature Groundwater quantity

Groundwater is available in sufficient amounts throughout most of Wisconsin to provide adequate water supplies for most municipal, industrial, agricultural and domestic uses. What is frequently missed is that groundwater pumping always lowers water levels in aquifers and connected lakes, wetlands and streams; and always diverts flow to surface waters where groundwater would have discharged naturally. The amount of water level lowering and flow diversion is a matter of degree. At certain amounts of pumping in an area, aquifers can be perilously lowered, and streams, lakes and wetlands can dry.

Issues and problems

Center pivot irrigation

Potential management solutions

Additional Resources

DNR has developed an interactive web map viewer for water use throughout Wisconsin. The map viewer allows the public to access information about approved surface and ground water withdrawals, existing and pending high capacity wells and locations of groundwater protection features. The water use map viewer supports the mission of the Great Lakes compact, provides efficiency to DNR's release of water use information and provides consistently requested information to our customers in an easy to use format.

Last revised: Tuesday July 26 2016