Business
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Special event recycling
State and local laws require recycling both at home and away from home. All events and gatherings must provide ways to collect recyclable clean cardboard, aluminum cans and glass or plastic bottles. Such events include fairs, festivals, concerts,…
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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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Requirements for materials recovery facilities (MRFs)
MRF stakeholder meetingThe DNR will hold a MRF stakeholder meeting Aug. 26 from 9 a.m. to noon via Teams webinar. Revisions to the administrative code that oversees MRFs that serve as a component of a responsible unit's effective recycling program…
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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 Recycling Excellence Awards
The 2025 Recycling Excellence Awards nomination period has begun! Submit nominations by Sept. 15. The DNR will announce winners in November.
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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 Impairments and Pollutants
Impaired waters are identified by comparing monitoring results for a given water to water quality parameter thresholds, which provide guidelines for identifying water quality conditions.Impaired waters in Wisconsin are affected by a variety of…
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Water Quality Modeling Tools
Water quality modeling tools can be used to better understand and evaluate the impacts of management decisions on Wisconsin's surface waters. Each model was developed for a specific purpose and requires an understanding of the inputs, outputs and…
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Antidegradation
The antidegradation rule is implemented in Chapter NR 207 of the Wisconsin Administrative Code. The purpose of the rule is to address new or increased discharges to surface waters (river, lakes, drainage ways, wetlands, etc.). The way in which these…