About/General
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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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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…
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Plan map
The watersheds shown on this map have DNR and EPA-approved Nine Key Element watershed plans. To review the Nine Key Element watershed plan areas with other DNR GIS layers, use: Water condition viewer * Note: The Priority Watershed and Lakes…
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CAFOs, water permits and NR 243
Compliance with Wisconsin's agricultural standards and prohibitions is required of all cropland and livestock operations in the state, regardless of size. Reducing or preventing manure or process wastewater pollution from agricultural operations…
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CAFO and CAFO WPDES permit statistics
Wisconsin is home to an increasing number of Concentrated Animal Feeding Operations (CAFOs). The Department of Natural Resources is pleased to offer you easy access to statistics and geographical information about Wisconsin's CAFOs and the…
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Publications and resources for CAFOs and other agriculture operations
There are many resources for farmers and other agricultural operators that provide information and guidance about farming and the environment. In addition to the Department of Natural Resources, resources are available from other Wisconsin state…