Alabama

Alabama Department of Environmental Management
Alabama Department of Conservation & Natural Resources

Alaska

Alaska Department of Environmental Conservation

Arizona

Arizona Department of Environmental Quality
Arizona Fish & Game Department

Arkansas

Arkansas Department of Environmental Quality

California

California Air Resources Board
California Department of Conservation
California Department of Toxic Substances Control
California Department of Water Resources
California Environmental Protection Agency
California Integrated Waste Management Board

Colorado

Colorado Revised Statutes Online
Colorado Department of Public Health & Environment

Connecticut

Connecticut Department of Environmental Protection

Delaware

Delaware Dept. of Natural Resources & Environmental Control

District of Columbia

DC Department of the Environment
DC Department of Health's Environmental Health Administration

Florida

Florida Department of Environmental Protection

Georgia

Georgia Department of Natural Resources
Georgia Environmental Protection Division

Hawaii

Hawaii Department of Land & Natural Resources
Hawaii State Department of Health

Idaho

Idaho Department of Environmental Quality
Idaho Department of Water Resources

Illinois

Illinois Environmental Protection Agency
Illinois Pollution Control Board

Indiana

Indiana Department of Environmental Management
Indiana Department of Natural Resources

Iowa

Iowa Department of Natural Resources

Kansas

Kansas Department of Health & Environment

Kentucky

Kentucky Environmental Quality Commission
Kentucky Department for Natural Resources
Kentucky Department for Environmental Protection

Louisiana

Louisiana Department of Environmental Quality

Maine

Maine Department of Environmental Protection

Maryland

Maryland Department of the Environment
Maryland Department of Natural Resources

Massachusetts

Massachusetts Department of Environmental Protection

Michigan

Michigan Department of Environmental Quality

Minnesota

Minnesota Department of Natural Resources
Minnesota Pollution Control Agency

Mississippi

Mississippi Department of Environmental Quality

Missouri

Missouri Department of Natural Resources
Missouri Department of Conservation

Montana

Montana Department of Environmental Quality
Montana Natural Resource Information System
Montana GIS Data Library

Nebraska

Nebraska Department of Environmental Quality

Nevada

Nevada Division of Forestry
Nevada Department of Conservation and Natural Resources
Nevada Division of Environmental Protection

New Hampshire

New Hampshire Department of Environmental Services

New Jersey

New Jersey Department of Environmental Protection

New Mexico

New Mexico Environment Department

New York

New York State Department of Environmental Conservation

North Carolina

NC Department of Environment & Natural Resources
NC Division of Pollution Prevention & Environmental Assistance
North Carolina GIS Database

North Dakota

North Dakota State Water Commission
North Dakota Geological Survey Division
ND Department of Health - Environmental Health Section

Ohio

Ohio Department of Natural Resources (ODNR)
Ohio Environmental Protection Agency
Ohio Air Quality Development Authority

Oklahoma

Oklahoma Conservation Commission
Oklahoma Department of Environmental Quality

Oregon

Oregon Department of Environmental Quality
Oregon Department of Fish & Wildlife

Pennsylvania

Pennsylvania Department of Environmental Protection
Pennsylvania Department of Conservation & Natural Resources

Rhode Island

Rhode Island Department of Environmental Management

South Carolina

South Carolina Department of Natural Resources

South Dakota

South Dakota Department of Environment & Natural Resources

Tennessee

Tennessee Department of Environment & Conservation

Texas

Texas Commission on Environmental Quality (TCEQ)

Utah

Utah Department of Environmental Quality
Utah Automated Geographic Reference Center (AGRC)

Vermont

Vermont Agency of Natural Resources

Virginia

Virginia Department of Environmental Quality

Washington

Washington State Department of Ecology
Washington State Department of Natural Resources
Washington Department of Transportation's Environmental Services

West Virginia

West Virginia Division of Environmental Protection

Wisconsin

Wisconsin Department of Natural Resources
Wisconsin DNR Environmental Protection

Wyoming

Department of Environmental Quality