Environmental Protection
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Lake Management Tools
The Wisconsin Lake Modeling Suite (WiLMS) model is a lake water quality-planning tool. The WiLMS model structure is organized into four principal parts: front-end, phosphorus prediction, internal loading and trophic response. Models WiLMS 3.3.18 (…
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Wisconsin Wetland Permitting Dashboard
This dashboard summarizes impacts, restoration projects, and mitigation activities that have been permitted through the DNR Wetland Program. Initiated by the Wetland Study Council in 2020, this dashboard does not include wetland impacts or…
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Wisconsin Emissions Reduction Credit (ERC) Registry
The Wisconsin Emissions Reduction Credit (ERC) Registry assists facilities looking for emissions offsets to meet Nonattainment New Source Review (NNSR) permitting requirements. Facilities that voluntarily reduce emissions can use those reductions to…
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Lakes and Aquatic Invasive Species (AIS) Mapping Tool
In order to keep DNR servers up to date, DNR will be patching the GIS servers to the latest service level on the morning of Sunday, June 8. During this update, users may see unexpected issues with DNR’s web map viewers. We apologize in…
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Wisconsin's Great Waters 2021 Photo Contest and Writing Project
The Office of Great Waters is pleased to present our 13th annual calendar, along with the winners and submissions from the 2021 Great Waters Photo Contest and Writing Project. As the calendar, photos and writings clearly show, the Great Lakes and…
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PFAS Contamination in Dane County
PFAS contamination has been detected throughout Dane County in soil, municipal wells, private wells, surface water and groundwater.Subscribe to updates about PFAS contamination in Wisconsin.Submit a question, comment or concern about PFAS in Dane…
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Consumption Advisories and PFAS
The DNR works closely with the Department of Health Services (DHS) to issue consumption advisories for per- and polyfluoroalkyl substances (PFAS) where and when necessary. Fish consumption advisories are based on guidance from the Great Lakes…
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Cybersecurity
Resources for public water systems to prepare for and prevent cyberattacksAmerican Water Works Association (AWWA)Water Sector Cybersecurity Risk Management Tool, to be used with America's Water Infrastructure Act (AWIA).Answer 22 yes/no questions…
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Aquatic and Wetland Invasives Species Monitoring
The Wisconsin Department of Natural Resources (DNR) Aquatic Invasive Species Monitoring program is a collaboration of citizens, partners and the DNR to find, report, map and survey invasive species. The program is guided by species identified in NR…
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Wisconsin Geographic Names Council
The Wisconsin Geographic Names Council (WGNC) is a state council established to maintain uniform geographic name usage throughout Wisconsin. The WGNC comprises representatives of state agencies most concerned with geographic information. Sharing its…