Property/Site Owners
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Notices of discharge
The notice of discharge program is an enforcement process through Ch. NR 243, Wis. Adm. Code [exit DNR], addressing unacceptable practices at animal feeding operations with less than 1,000 animal units. Local governmental units (typically…
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Urban nonpoint source pollution
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…
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Nonpoint source TMDL implementation
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…
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Nonpoint Source Program
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…
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Agricultural nonpoint source pollution
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…
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Nonpoint source program contacts
Find the nonpoint source coordinator who serves your county by choosing a county below:
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Agricultural financial assistance
The DNR offers financial assistance in the form of grants for local efforts to control nonpoint source pollution. These grants support both the implementation of source-area controls to prevent runoff contamination and the installation of treatment…
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Reporting and Responding to Spills
Reporting is everyone’s responsibility.Individuals and entities that cause a spill are required by state law to notify the DNR immediately - as soon as the spill is identified. Reporting should not wait for laboratory analysis if the discharge can…
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Mercury spills and cleanup
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.
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Meth lab/clandestine drug lab information
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…