Reference
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Information for private well owners
Private wells are wells that are not part of a public water supply. Private wells have fewer than 15 connections and serve fewer than 25 people. They are usually wells that serve a single home or farmhouse. Unlike public water systems, protection…
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Private well construction in granite formations
Building a new home in the country usually means you will also need to have a well drilled. In central and northern Wisconsin, drinking water wells must be drilled into a layer of hard, crystalline bedrock that underlies much of the upper Great…
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Recommendations for private wells inundated by flooding
Private Wells: If you live in an area that was recently or is currently flooded, your private well may be in danger of contamination from pollutants carried in floodwaters. Bacteria, chemicals and other contaminants contained in floodwaters can…
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Information for drillers and pump installers
This page contains information and resources for well drillers, heat exchange drillers and pump installers. NewsBitsArchives of NewsBits - an electronic newsletter for Wisconsin drillers and installers.Well driller viewer
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Continuing education for drillers and pump installers
License and registration credentials expire on December 31 and must be renewed annually to retain active status into the next calendar year. Attendance at six credit-hours of DNR approved continuing education is required each calendar year before…
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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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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…