Environmental Protection
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Featured Water Restorations
Since 2002, the DNR has delisted 89 individual streams, lakes or beaches, representing 443 stream miles and 52,000 lake acres in the state. Below are a few stories of the road to these waters' aquatic health recovery.
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Resources for homeowners and farmers
The following resources describe things homeowners and farmers can do to reduce polluted runoff, related to the Wisconsin River Basin TMDL.
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Presentations, webinars and videos
Presentations, webinars and videos on the Wisconsin River TMDL and related topics. Presentations February 2018 informational webinar and meetings The DNR hosted an informational webinar on February 21, 2018, which kicked off a series of…
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Rock River TMDL
Subscribe to Rock River TMDL project news Rock River Recovery is the official name of the Rock River Basin TMDL implementation process.
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Northeast Lakeshore TMDL
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Lower Fox River Basin Volunteer Monitoring Program
In May 2012, the U.S. Environmental Protection Agency (EPA) approved the Lower Fox River Basin Total Maximum Daily Load (TMDL). The TMDL set targets to improve surface water quality by reducing phosphorus and sediment loading in the watershed.
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Lower Fox River Basin TMDL
The Lower Fox River basin is located in northeast Wisconsin and includes portions of Brown, Calumet, Outagamie and Winnebago counties and the Oneida Nation.
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NR 140 Groundwater Quality Standards Update
Subscribe to NR 140 UpdatesAs part of a continuing commitment to protect public health and the environment, the DNR periodically updates groundwater quality standards in ch. NR 140, Wis. Adm. Code.
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Wisconsin's groundwater law
Wisconsin's groundwater law, Ch. 160, Wis. Stats., established the framework for a comprehensive approach to protect public health and welfare and the environment. The intent of this law is to minimize the concentration of polluting substances in…