Wisconsin Administrative Code Department of Natural Resources
Wisconsin Administrative Code: Department of Natural Resources (NR Chapters)
The Wisconsin Department of Natural Resources (DNR) oversees the management and protection of the state’s natural resources, including water, air, land, forests, wildlife, and fisheries. The rules governing DNR activities are codified primarily under Chapters NR 1–853 in the Wisconsin Administrative Code.
Key Chapters & Topics
NR 1 – General Provisions
Definitions and scope of DNR rules.
Administrative procedures, application of rules, and enforcement authority.
NR 100–199 – Environmental Protection
Air quality control.
Water quality standards and discharge regulations.
Hazardous waste management.
Environmental remediation.
NR 200–299 – Water Resources
Lakes, rivers, wetlands, and groundwater protection.
Dams, navigable waterways, and public water regulations.
Shoreland zoning and floodplain management.
NR 300–399 – Forestry
Management of state forests.
Timber harvesting, fire control, and forest conservation.
Urban forestry and tree planting programs.
NR 400–499 – Parks and Recreation
Rules for state parks, trails, and recreation areas.
Camping, boating, and recreational activities.
Permits and fees.
NR 500–599 – Fish, Wildlife, and Hunting
Hunting, fishing, and trapping regulations.
Wildlife management areas and endangered species protection.
Licensing, bag limits, and seasons.
NR 600–699 – Mining and Minerals
Mineral exploration and mining permits.
Environmental impact and reclamation standards.
Reporting and compliance for mining operations.
NR 700–799 – Waste Management and Recycling
Solid waste management and recycling requirements.
Landfill operation standards.
Composting and hazardous waste regulations.
NR 800–853 – Miscellaneous Rules
Public access and easements.
Conservation programs and grant administration.
Administrative procedures, rulemaking, and enforcement.
Summary of Role
The DNR Administrative Code ensures that:
Wisconsin’s natural resources are used responsibly and sustainably.
Environmental quality is maintained for air, water, and soil.
Wildlife and fisheries are protected and managed.
Public recreational activities comply with safety and conservation standards.
Businesses and individuals follow environmental laws and permitting requirements.

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