Monitoring
- 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 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…
- Webpage
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 (…
- Webpage
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…
- Webpage
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…
- Webpage
Long-Term Monitoring
The Lower Fox River PCB Cleanup Project is in the monitored recovery phase. The project will remain in this phase until fish, water and sediment evaluations indicate that the remedial action objectives have been met, which often takes many years…
- Webpage
Project Documents
On this page, you will find reports and documents associated with the Lower Fox River PCB Project. Other documents are available upon request.
- Webpage
Cleanup Operations
Sampling and studies on the Lower Fox River started in the early 1970s. These studies indicated that sediment contaminated with polychlorinated biphenyls (PCB) was deposited along the entire length of the river, but primarily in OU1, OU3, OU4 …