Business
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Surface Water Integrated Monitoring System (SWIMS) Database
Subscribe for updates about the SWIMS system The Surface Water Integrated Monitoring System (SWIMS) is a DNR system that holds chemistry (water, sediment, fish tissue) data, physical data, biological (macroinvertebrate, aquatic invasives…
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Water Quality Standards Rule Updates
The DNR is conducting rulemaking on several topics related to surface water quality standards, outlined below.
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Office of Great Waters Staff Contacts
Staff in the DNR’s Office of Great Waters collaborate with federal, state and local agencies; tribes; businesses; citizen-led organizations and community members to protect and improve the environmental quality of the Great Lakes and Mississippi…
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Wisconsin's Great Lakes Strategy
The Great Lakes contain 20% of the world's available fresh surface water supply. Because of that, the Great Lakes are critical to the health and welfare of all the Great Lakes states. Effective management of both wetland and water quantity and…
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Sheboygan River Area of Concern
About About the Sheboygan River AOC In 1987, the Sheboygan River was designated as one of 43 Great Lakes Areas of Concern (AOC) – areas that are severely degraded and fail to support aquatic life beneficial for human use (like fish and…
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Great Lakes Restoration Initiative (GLRI)
The Great Lakes Restoration Initiative (GLRI) [exit DNR] is a federal program that provides unprecedented funding for protection and restoration efforts on the five Great Lakes. The GLRI is guided by an action plan with detailed performance goals…
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Protecting Wisconsin's Great Lakes
The Great Lakes contain 20 percent of the world's available fresh surface water supply. Great Lakes are critical to the health and welfare of all the Great Lakes states and especially for us here in Wisconsin.The DNR – together with local…
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Milwaukee Estuary Area of Concern
Public Review and Comment Opportunity Draft Remedial Action Plan Update for the Milwaukee Estuary Area of Concern The DNR is seeking public comments on the draft Remedial Action Plan Update for the…
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Lower Menominee River- Delisted Area of Concern
The Lower Menominee River was delisted as an Area of Concern in 2020. About About the Lower Menominee River AOC The Menominee River flows into Green Bay and forms the boundary between northeast Wisconsin and Michigan's Upper Peninsula.