Reference
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Fish Passage at Dams Strategic Analysis
Subscribe to email updates or mobile alerts when this web page has been updated. Fish passage describes the ability of fish to move upstream and downstream to find suitable habitat and breeding grounds. While unimpeded fish movement in rivers…
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Current and Recent Environmental Impact Analyses
The public is invited to review and comment on the following environmental impact analysis documents. Comments will be considered if received before the comment deadlines listed below. Draft Strategic Analysis of Wild Rice Management in Wisconsin…
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Archive of EIA documents
This page includes digital copies of archived EIA documents. These documents are not open for public comment. They are retained and presented here as an informational resource.
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Aquatic Plant Management Strategic Analysis
Subscribe to email updates or mobile alerts when this Web page has been updated. Aquatic plants are a critical component of the state's freshwater environment. They help to ensure good water quality and clarity through their influence on…
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Test your private well water annually
Make sure you're serving your family safe drinking water. While most private water wells in Wisconsin provide safe drinking water, some may become contaminated with bacteria and other contaminants that are not filtered out when the water soaks into…
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Accurately locating wells and drillholes for applications and reports
Chapter NR 812, Wis. Adm. Code, requires the latitude and longitude coordinates of a well or drillhole to be reported on high capacity well applications, well construction reports and well filling and sealing reports. Determining Latitude and…
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NewsBits newsletter
NewsBits is an electronic newsletter containing updates, reminders, interesting data and news for Wisconsin's drilling and pump installing industry. NewsBits is produced three to four times a year by DNR's Drinking Water & Groundwater…
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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…