Regulations
- Webpage
Water Quality Standards and Classifications
Water quality standards are important because they help water quality managers protect and restore the quality of Wisconsin's waters. Our water quality may be impacted by many different sources and types of pollution. Under the Clean Water Act,…
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Water Quality Criteria
The Clean Water Act requires states to adopt water quality standards to protect aquatic life, wildlife and recreation. Water quality standards consist of three components: antidegradation, designated uses and water quality criteria. Water quality…
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Triennial Standards Review
Every three years, the DNR reviews Wisconsin's water quality standards or related guidance to determine which standards need development or revision, as required by the federal Clean Water Act. This comprehensive evaluation, called the…
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Lake Superior lake trout, splake and brook trout comparison
Lake Trout (top) Splake (middle) "Coaster" Brook Trout (bottom) Lake Trout (left) will have a deeply forked tail. Splake (middle) has a moderately forked tail. "Coaster" Brook Trout (right) has only a slightly forked tail. Splake has a…
- Webpage
Recreation rules and permits
Wisconsin state parks, forests and trails have special rules to protect the safety of visitors and the environment. See Chapter NR 45 of the Wisconsin Administrative Code for the legal language or this page for the basic information about many rules…
- Webpage
Invasive species rule – NR 40
The invasive species rule, Wis. Admin. Code NR 40, makes it illegal to possess, transport, transfer or introduce certain invasive species in Wisconsin without a permit. Everyone is responsible to comply with these regulations. What you need to do as…
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Waterfowl Rules Process
Migratory Rules The migratory rules are different from other program ru
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Fishing seasons
Opening day for Wisconsin fishing is traditionally the first Saturday in May. Season dates often vary by species and waterbody. Check The Guide To Hook And Line Fishing Season Dates, 2025-2026, for specifics of where you plan to fish.Fishing…
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Lake Michigan Tributary Access
Marinette [PDF] Oconto River [PDF] Green Bay [PDF] Door County - North
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Lake Michigan Stocking Strategies Workshop 2
--> November 5th, 2011 Bass Pro Shop Portage, Indiana 6425 Daniel Burnham Dr 0930 Welcome (Jay Wesley) Introductions Overview of workshop agenda Goals of the workshop Timeline Notes Presentation