This article lists subnational environmental agencies in the United States, by state. Agencies that are responsible for state-level regulating, monitoring, managing, and protecting environmental and public health concerns. The exact duties of these agencies can vary widely and some are combined with or are part of a state's fish and wildlife management agency.

Agencies created as a result of interstate environmental compacts also are included, at the bottom of the list.

• Alabama Department of Conservation and Natural Resources
• Alabama Department of Environmental Management
• Alabama Department of Public Health

• Alaska Department of Natural Resources
• Alaska Department of Environmental Conservation
• Alaska Department of Health and Social Services

• Arizona Department of Environmental Quality
• Arizona Game and Fish Department
• Arizona Department of Health Services

• Arkansas Department of Environmental Quality
• Arkansas Department of Health

• California Environmental Protection Agency
  • California Department of Pesticide Regulation
  • California Department of Toxic Substances Control
  • California Air Resources Board
  • California Department of Resources Recycling and Recovery
• California Natural Resources Agency
  • California Department of Conservation
  • California Department of Fish and Game
  • California Department of Forestry and Fire Protection
  • California Department of Parks and Recreation
  • California Department of Water Resources
• California Department of Health Care Services

• Colorado Department of Natural Resources
• Colorado Department of Public Health and Environment

• Connecticut Department of Energy and Environmental Protection
• Connecticut Department of Public Health

• Delaware Department of Health and Social Services
• Delaware Department of Natural Resources and Environmental Control
• Delaware Solid Waste Authority

• Department of Energy and Environment

• Florida Department of Environmental Protection
• Florida Department of Health
• Florida Fish and Wildlife Conservation Commission
• Northwest Florida Water Management District
• Suwannee River Water Management District
• St. Johns River Water Management District
• Southwest Florida Water Management District
• South Florida Water Management District

• Georgia Department of Natural Resources
• Georgia Department of Public Health

• Hawaii Department of Land and Natural Resources
• Hawaii Department of Health

• Idaho Department of Environmental Quality
• Idaho Department of Health and Welfare
• Idaho Department of Water Resources

• Illinois Department of Natural Resources
• Illinois Department of Public Health
• Illinois Environmental Protection Agency
• Illinois Pollution Control Board

• Indiana Department of Environmental Management
• Indiana Department of Natural Resources
• Indiana Department of Health

• Iowa Department of Natural Resources
• Iowa Department of Health

• Kansas Department of Agriculture, Division of Water Resources
• Kansas Department of Health and Environment, Division of Environment

• Kentucky Department for Public Health
• Kentucky Energy and Environment Cabinet
  • Natural Resources Division

• Louisiana Department of Environmental Quality
• Louisiana Department of Health
• Louisiana Department of Natural Resources

• Maine Department of Agriculture, Conservation and Forestry
• Maine Department of Environmental Protection
• Maine Department of Health and Human Services
• Maine Department of Inland Fisheries and Wildlife
• Maine Department of Marine Resources

• Maryland Department of the Environment
• Maryland Department of Health
• Maryland Department of Natural Resources

• Massachusetts Executive Office of Energy and Environmental Affairs (EOEEA)
  • Coastal Zone Management
  • Water Resources Commission
  • Massachusetts Environmental Police
  • Office of Grants and Technical Assistance
    • Division of Conservation Services
    • Massachusetts Environmental Trust
    • Office of Technical Assistance and Technology
  • Natural Resource Damages Assessment and Restoration
• Massachusetts Department of Agricultural Resources
  • Division of Agricultural Conservation and Tech Assistance
  • Division of Agricultural Markets
  • Division of Animal Health
  • Division of Crop and Pest Services
• Massachusetts Department of Conservation and Recreation
  • Division of State Parks (MassParks)
  • Division of Water Supply Protection
• Massachusetts Department of Energy Resources
• Massachusetts Department of Environmental Protection
• Massachusetts Department of Fish and Game
  • Division of Fisheries and Wildlife (MassWildlife)
  • Division of Marine Fisheries
  • Division of Ecological Restoration
  • Office of Fishing and Boating Access
• Massachusetts Department of Public Health

• Michigan Department of Environment, Great Lakes, and Energy
• Michigan Department of Natural Resources

• Minnesota Department of Health
• Minnesota Department of Natural Resources
• Minnesota Environmental Quality Board
• Minnesota Pollution Control Agency
• University of Minnesota Extension Service

• Mississippi Department of Environmental Quality
• Mississippi Department of Health

• Missouri Department of Conservation
• Missouri Department of Health
• Missouri Department of Natural Resources

• Montana Department of Environmental Quality
• Montana Department of Natural Resources and Conservation
• Montana Department of Public Health and Human Services

• Nebraska Department of Environment and Energy
• Nebraska Department of Health and Human Services
• Nebraska Department of Natural Resources

• Nevada Department of Conservation and Natural Resources
  • Nevada Division of Environmental Protection
  • Nevada Division of Forestry
  • Nevada Division of Water Resources
• Nevada Department of Health and Human Services

• New Hampshire Department of Environmental Services
  • New Hampshire Geological Survey
  • New Hampshire Pollution Prevention Program
  • New Hampshire Water Council
  • New Hampshire Wetlands Council
• New Hampshire Department of Health and Human Services
• New Hampshire Fish and Game Department
• New Hampshire Department of Natural and Cultural Resources
  • New Hampshire Division of Forests and Lands

• New Jersey Department of Environmental Protection
• New Jersey Department of Health

• New Mexico Department of Energy, Minerals, and Natural Resources
• New Mexico Department of Health
• New Mexico Environment Department

• Adirondack Park Agency
• Hudson River Valley Greenway
• New York City Department of Environmental Protection
• New York State Department of Agriculture and Markets
• New York State Department of Environmental Conservation
• New York Department of Health
• New York State Energy Research and Development Authority
• New York State Environmental Facilities Corporation
• New York State Office of Parks, Recreation and Historic Preservation

• North Carolina Department of Environmental Quality
  • Division of Pollution Prevention and Environmental Assistance

• North Dakota Department of Environmental Quality
• North Dakota Department of Water Resources
• North Dakota Geological Survey
• North Dakota Department of Health

• Ohio Department of Natural Resources
• Ohio Department of Health
• Ohio Environmental Protection Agency
• Ohio Air Quality Development Authority

• Oklahoma Conservation Commission
• Oklahoma Department of Environmental Quality
• Oklahoma Department of Health

• Oregon Department of Environmental Quality
• Oregon Department of Forestry
• Oregon Department of Fish and Wildlife
• Oregon Department of Water Resources
• Oregon Health Authority
• Oregon Watershed Enhancement Board

• Pennsylvania Department of Conservation and Natural Resources
• Pennsylvania Department of Environmental Protection
• Pennsylvania Department of Health

• Rhode Island Department of Environmental Management
• Rhode Island Department of Health

• South Carolina Department of Health and Environmental Control
• South Carolina Department of Natural Resources
• South Carolina Department of Public Health
• South Carolina Department of Environmental Services

• South Dakota Department of Agriculture and Natural Resources
• South Dakota Department of Health

• Tennessee Department of Environment and Conservation
• Tennessee Department of Health
• Tennessee Wildlife Resources Agency
• Tennessee Department of Agriculture

• Texas Commission on Environmental Quality
• Texas Department of Health
• Texas Parks and Wildlife Department

• Utah Department of Environmental Quality
• Utah Department of Health and Human Services
• Utah Department of Natural Resources^[1]
  • Utah Department of Natural Resources Division of Forestry, Fire and State Lands^[2]
  • Utah Office of Energy Development^[3]
  • Utah Public Lands^[4]
  • Utah Division of Wildlife Resources

• Vermont Agency of Natural Resources
  • Vermont Department of Environmental Conservation
  • Vermont Department of Fish and Wildlife
  • Vermont Department of Forests, Parks and Recreation
• Vermont Department of Health

• Virginia Department of Agriculture and Consumer Services
• Virginia Department of Conservation and Recreation
• Virginia Department of Environmental Quality
• Virginia Department of Forestry
• Virginia Department of Health
• Virginia Department of Wildlife Resources

• Washington State Department of Ecology
• Washington State Department of Health
• Washington State Department of Natural Resources

• West Virginia Department of Environmental Protection
• West Virginia Department of Health and Human Services
• West Virginia Division of Forestry
• West Virginia Division of Natural Resources

• Wisconsin Department of Natural Resources
• Wisconsin Department of Health Services

• Wyoming Department of Environmental Quality
• Wyoming Department of Health

• Atlantic States Marine Fisheries Commission
• Great Lakes Commission
• Interstate Commission on the Potomac River Basin
• Northwest Power and Conservation Council
• Red River Compact Commission
• Susquehanna River Basin Commission
• Tahoe Regional Planning Agency
• Yellowstone River Compact Commission

US Federal environmental agencies

• Council on Environmental Quality
• Department of Agriculture, including the USFS
• Department of Defense
• Department of Energy
• Department of the Interior, including the BLM, Fish and Wildlife Service, National Park Service, USGS
• US Environmental Protection Agency
• National Oceanic and Atmospheric Administration
• National Drought Policy Commission (defunct)

US Territories

• Puerto Rico Department of Natural and Environmental Resources
• Puerto Rico Department of Health
• Guam Environmental Protection Agency

Other

• List of environmental ministries
• List of state and territorial fish and wildlife management agencies in the United States

• https://www.epa.gov/aboutepa/health-and-environmental-agencies-us-states-and-territories

• U.S. Environmental Protection Agency, "Health and Environmental Agencies of U.S. States and Territories" (website)