Wisconsin's Water Quality
Wisconsin Department of Natural Resources Water Quality Bureau Division of Environmental Management EGAD #: 3200-2020-13 dnr.wi.gov 101 S Webster Street, PO Box 7921, Madison, WI 53707-7921 Wisconsin’s 2020 Water Quality Report to Congress i Governor Tony Evers Natural Resources Board Dr. Frederick Prehn, Chair Gregory Kazmierski, Vice-Chair Julie Anderson, Secretary William Bruins Terry Hilgenberg Bill Smith Wisconsin Department of Natural Resources Preston D. Cole, Secretary Beth Bier, Deputy Secretary Todd Ambs, Assistant Deputy Secretary Environmental Management Division Darsi Foss, Administrator Jim Zellmer, Deputy Administrator Adrian Stocks, Director, Water Quality Steve Galarneau, Director, Office of Great Waters Steve Elmore, Director, Drinking Water & Groundwater External Services Division Dave Siebert, Division Administrator Brian Weigel, Director, Watershed Management Michael Thompson, Director, Waterways Fish, Wildlife, & Parks Division Scott Loomans, Division Administrator Justine Hasz, Director, Fisheries Management Wisconsin’s 2020 Water Quality Report to Congress ii Wisconsin’s Water Quality Report The Federal Clean Water Act (CWA) requires all states to prepare a Water Quality Report to Congress every two years. This “Integrated Report” combines the CWA sections 305(b), 303(d), and 314. The report contains an overall summary of water quality conditions in the State and an updated Impaired Waters List. Wisconsin data are also provided electronically to the United States Environmental Protection Agency (EPA) as part of the Integrated Reporting Process. Wisconsin’s 2020 Wisconsin Water Quality Report to Congress summarizes assessment progress and activities related to water quality protection during the past two years. This document is an online publication only that can be accessed at the Wisconsin Department of Natural Resources (WDNR) website: dnr.wi.gov Cover photo: Popple River in Florence County (2015).
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