Environmental Management
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Wisconsin drilling and pump installing service directories
The links below provide access to drilling and pump installing professional service directories. Individuals and businesses listed are authorized by the Wisconsin DNR to engage in activities designated by the directory. Well drilling services Pump…
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Well and heat exchange notification
Wisconsin law requires that a property owner provide advance notice to DNR before construction of any new private well that is not a high capacity well, and advance notice of any heat exchange drillhole construction (geothermal system) that does not…
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Basement wells and well pits
Wisconsin well code has prohibited placing wells in basements since 1953. Basement wells are subject to flooding, sewage backup and other sanitary hazards. Outside wells, terminating above ground level, are generally safe from these hazards. A…
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Underground injection wells
The Underground Injection Control (UIC) program is a requirement of the federal Safe Drinking Water Act of 1974. The purpose of the UIC program is to protect underground sources of drinking water (a.k.a. groundwater) from contamination that may…
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Buying or selling a home or property with a private well
When you are buying or selling a property with a private well, you may be interested to know the condition of the well, the quality of the drinking water and whether there are any unused wells on the property. If so, you can choose to have the well…
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Private water supply specialists
Private water staff can help you with:private water well contamination;well and pump installation rules;questions about well drillers or pump installers;proper well location; andproper well filling and sealing.Private water supply staff county…
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High capacity well ownership transfer
No department review or approval is required to transfer ownership of a high capacity well along with a property transfer. Within 90 days following a property transfer, the new owner must complete the High Capacity Well & Surface Water…
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High capacity well application review process
Upon receipt of a high capacity well or dewatering application, the DNR water use program completes a groundwater quantity review and reviews the proposed well construction for compliance with the requirements of NR 812, Wis. Adm. Code. If the…
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High capacity well replacements
Under 2017 Wisconsin Act 10, replacement high capacity wells do not require department approval, provided they meet all four of the following criteria.
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High capacity well reconstruction
To "reconstruct" a well means to modify its original construction, including deepening, lining, installing or replacing a screen, and underreaming (s. 281.34(1)(ek), Wis. Stats.). Steps to take to complete a reconstruction of a high capacity well…