Watersheds
- Webpage
Groundwater contaminants
Wisconsin DNR maintains a groundwater database. Sampling is conducted for the purpose of problem assessment, at-risk monitoring and some regulatory monitoring. Many of the sampling events are focused on problem areas. The Groundwater Retrieval…
- Webpage
Lower Rock River basinwide issues
For more information about stormwater management, connect to the Center for Watershed Protection [exit DNR].
- Webpage
Basin programs and activities
DNR policies on how to protect waters from degradation The creation of Chapter NR 207 "Water Quality Antidegradation" and changes to NR 102 "Water Quality Standards for Wisconsin Surface Waters", Wisconsin Administrative Code, allows DNR to…
- Webpage
Lower Rock River Basin
The Rock River basin covers over 3,700 square miles and is located in the south-central part of Wisconsin. The basin's natural resources are the legacy of the last period of Wisconsin glaciation. Many Native American tribal peoples lived here…
- Webpage
Lower Fox River basin
The Lower Fox River basin is located in northeastern Wisconsin and encompasses the following counties: Brown, Calumet, Outagamie and Winnebago. The 638 square mile (1,654 square kilometers) drainage basin is bordered by the Twin Door Kewaunee basin…
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Lower Chippewa River Basin
Downstream from Eau Claire on the Chippewa River and downstream from Menomonie on the Red Cedar contains more rare species (125) and more native prairie (25% of the state total) than any area of comparable size in Wisconsin. These unique natural…
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Lakeshore Basin
The Lakeshore basin is a water-rich area sprinkled with an assortment of inland lakes, major rivers and small streams and bounded by the waters of Green Bay and Lake Michigan. The basin completely encompasses the counties of Door, Kewaunee and…
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West branch Sugar River and Mount Vernon Creek watershed (SP16)
The west branch Sugar River and Mount Vernon Creek watershed is located in southwestern Dane County. The watershed is dominated by agricultural land uses. The Mount Horeb wastewater treatment plant is the only permitted facility discharging…
- Webpage
Upper Sugar River watershed (SP15)
The Upper Sugar River watershed lies in southwestern Dane County. The only permitted wastewater treatment facility discharging to the stream is in Verona, although a portion of the southwest side of Madison is also in the watershed. The area around…
- Webpage
Little Sugar River watershed (SP14)
The Little Sugar River watershed lies in north-central Green County and a very small portion of southern Dane County. Agricultural land uses dominate, especially dairying, cash crops and feeder operations. Two municipal wastewater treatment plants…