External Services
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Construction site storm water permit data
Search the DNR database for information on Notices of Intent and construction site storm water permit coverage.
- Webpage
Construction site storm water permits
On October 1, 2021 the department has made a final determination to reissue the Wisconsin Pollution Discharge Elimination System “Construction Site Storm Water Runoff General Permit” Storm Water Associated With Land Disturbing Construction Activity…
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What you can do
The best way for you to become a solution to NPS pollution is to make your home a pollution-free zone. To start, try some of these helpful hints.
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NR 151 rule changes - silurian bedrock
Public input opportunity There is a public hearing on the NR 151 rule September 15, 2017…
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Notices of discharge
The notice of discharge program is an enforcement process through Ch. NR 243, Wis. Adm. Code, addressing unacceptable practices at animal feeding operations with less than 1,000 animal units. Local governmental units (typically county land…
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Reporting concerns
There are times when citizens identify runoff concerns associated with agricultural operations that the DNR, other agencies or the landowners are not aware of. In these cases, it is important to notify the DNR in a timely manner regarding the…
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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 or…