Residents
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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.
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Invasive Species
Invasive species are plants, animals and pathogens that are "out of place." A species is regarded as invasive if it has been introduced by human action to a location, area or region where it did not previously occur naturally (i.e., is not…
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Lower Green Bay and Fox River Area of Concern
Public Review and Comment Opportunity The DNR is seeking public comments on a draft recommendation to remove the "Restrictions on Drinking Water Consumption or Taste and…
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Nuisance Algae (Cladophora) in Lake Michigan
For the past few years, large quantities of decaying algae, called Cladophora, have been found along Wisconsin's Lake Michigan shoreline. As the algae and organisms trapped in the algae rot, they generate a pungent septic odor that many people…
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St. Louis River Area of Concern
Public Review and Input Opportunity Draft 2024 Remedial Action Plan Update for the St. Louis River Area of Concern The DNR is seeking public feedback on the draft 2024 Remedial Action Plan Update for…
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Wisconsin’s Great Waters Annual Photo Contest and Writing Project
Subscribe to receive updates and news about the Great Waters Photo Contest and Writing Project, including when the next calendar is available. Each year, the DNR's Office of Great Waters holds a photo contest and writing project. These…
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Wisconsin's Air Quality Trends
There is a statewide network of 30 ozone monitoring sites and 18 fine particle (PM2.5) monitoring sites to measure ambient air quality in Wisconsin. In addition, the DNR monitoring network measures sulfur dioxide, nitrogen dioxide,…
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Air Toxics and Mercury
Air toxics, also called hazardous air pollutants (HAPs), are substances either known or suspected to cause cancer or other serious health problems, including damage to the immune, neurological, reproductive and respiratory systems. These pollutants…