Nonpoint source pollution, or polluted runoff, has many sources, including urban areas. Because most urban areas include such impervious surfaces as roads, building roofs and parking lots, rainfall and other precipitation have a more difficult time…
Nonpoint source pollution continues to be a primary cause of water quality problems in Wisconsin. The state has numerous lakes, streams, and rivers that are not meeting water quality standards and are considered to be "impaired" as a result of…
Wisconsin is a recognized leader in efforts to control nonpoint source (NPS) pollution. Since 1978, Wisconsin’s NPS Program has made significant progress in addressing runoff-related water quality problems that, in many cases, have existed for…
Nonpoint source pollution (or "runoff pollution") of Wisconsin’s waters comes from many sources, including agricultural operations and croplands. When it rains or snow melts, that water may be polluted through contact with manure, feed leachate…
Find the nonpoint source coordinator who serves your county by choosing a county below:
On this page, you will find reports and documents associated with the Lower Fox River PCB Project. Other documents are available upon request.
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 …
When mercury is spilled, it shatters into tiny beads and spreads in many directions. These tiny droplets can accumulate in the smallest places. The droplets emit toxic, odorless vapors, which can be very dangerous when inhaled by people or pets.
Methamphetamine (meth) made in makeshift laboratories, such as rented apartments or hotel rooms, may cause contamination of indoor air and property and pose a risk of fire or explosion. When law enforcement officials seize a meth lab, containers and…
Emerald ash borer (Agrilus planipennis) is an invasive, wood-boring beetle that kills ash trees (Fraxinus spp.) by eating the tissues under the bark. Native to northeastern Asia, emerald ash borer (EAB) was first detected in the United States in…