Monitoring
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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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Southeast Fox Illinois River Basin
The Southeast Fox River basin is located in portions of seven counties, contains (entirely or portions of) 10 cities, 22 villages, 42 towns and is home to about 500,000 people. The basin is divided into seven watersheds. Three of the watersheds (…
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Central Wisconsin basin
The Central Wisconsin Basin is a subset of the entire Wisconsin River corridor, located in central Wisconsin. The Central Wisconsin Basin extends south from the Merrill dam located on the Wisconsin River in Lincoln County to the Castle Rock Flowage…
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Bad Axe La Crosse basin
The Bad Axe La Crosse river basin in southwest Wisconsin contains numerous scenic vistas from hilltops and beautiful stream valleys. This basin's steep-forested hillsides coexist with agricultural activities located mainly in the relatively level…
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Long-Term Monitoring
Long-term monitoring (LTM) will continue on the Lower Fox River in all operable units for decades to assess progress toward the Remedial Action Objectives (RAOs) (see Cleanup Operations). This is in accordance with Record of Decisions (RODs) and a…
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Project Documents
On this page, you will find reports and documents associated with the Lower Fox River PCB Project.
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Cleanup Operations
Sampling and studies on the Lower Fox River started in the early 1970s. These studies indicated PCB contaminated sediment was deposited along the entire length of the river, but primarily in OU1, OU3, OU4 and OU5. The majority of sediment…
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Project Background
The Lower Fox River runs 39 miles from Lake Winnebago to the bay of Green Bay in northeast Wisconsin. As one of the largest freshwater estuaries in the world, the Lower Fox River plays a vital role in Wisconsin's environment and economy. The river…
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Laboratory services
The DNR receives laboratory data from many sources for environmental monitoring. This environmental monitoring is done for compliance with state and federal rules, investigating environmental problems, determining baseline quality, verifying cleanup…
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Central Sands Lakes Study
In the past several decades, we have witnessed low water levels in water resources throughout the Central Sands, driven by changes in weather and land use. Due to concern about groundwater pumping from high-capacity wells, the DNR collaborated with…