Environmental Protection
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Managing agricultural plastics
Agricultural plastics or "ag plastics" covers a wide variety of products and plastic types, including materials used in many common household plastic products.
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Recycling and waste reduction for all seasons
We are lucky enough to live with four beautiful seasons here in Wisconsin, and each one presents new opportunities for us to reduce our impact. Look through the activities below to learn about things you can do each season to reduce waste and…
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Responsible unit recycling programs
Wisconsin's recycling law applies equally to all residential and nonresidential locations throughout the state. The law bans disposal or incineration of certain recyclable materials. It also requires every municipality in the state to operate a…
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Requirements for materials recovery facilities (MRFs)
MRF stakeholder meeting presentations The DNR held its fifth annual MRF Stakeholder meeting Oct. 24 via Zoom/conference call. Agenda, meeting notes and presentations can be found below.-->
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Recycling monofilament fishing line
If left out in the environment, monofilament fishing line can tangle or be ingested by wildlife, endanger swimmers or become wrapped around boat propellers. It can last up to 600 years in freshwater, meaning it poses a threat for a long time.…
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Farms and composting in Wisconsin
In Wisconsin, farmers may compost crop residues, manure and animal carcasses generated on their farm sites. Depending on the material and size of the farming operation, DNR wastewater and/or solid waste rules may apply. In most cases, a DNR…
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Wisconsin's Water Quality Report to Congress
Every two years section 305(b) of the Clean Water Act requires states to publish an overall report on the quality of all surface waters across the state. This report, called the "Integrated Report of Water Quality," is submitted to the EPA on April…
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Surface Water Quality Restoration
Once an impairment in water has been identified, the next step is to identify the best method of restoration. There are many programs depending on the type of pollution. A large focus of restoration work has been Total Maximum Daily Load (TMDL)…
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Public Participation in Water Quality Assessments
The DNR is seeking data on the water quality of lakes, streams and rivers in our state. Along with Department data, submitted data will be used to assess the quality of our state's water resources and pinpoint problem areas. Data will be…
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Surface Water Quality Assessment Process
Subscribe to receive updates about water quality standards and assessments. The Clean Water Act (CWA) requires states to assess the quality of its surface waters and report the results to the public.