Construction
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Construction site storm water permits
On October 1, 2021 the department has made a final determination to reissue the Wisconsin Pollution Discharge Elimination System “Construction Site Storm Water Runoff General Permit” Storm Water Associated With Land Disturbing Construction Activity…
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Plans & specifications for reviewable structures & systems
At least 90 days before beginning construction, existing or proposed Concentrated Animal Feeding Operations (CAFO) must submit plans and specifications for reviewable construction projects to the DNR for approval. DNR approval of these reviewable…
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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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Fact sheets for well drillers and pump installers
The following fact sheets and flow charts are presented to make NR 812 compliance easier for licensed drillers, pump installers and their customers. These fact sheets can help drillers, installers and their customers answer common NR 812 code…
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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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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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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…