| AL |
| Alabama Department of Environmental Management | GIS Data |
| AK |
| Alaska Department of Environmental Conservation: Division of Water | GIS Data |
| AZ |
| Arizona Department of Water Resources | GIS Data |
| AR |
| Arkansas Natural Resources Commission | GIS Data |
| CA |
| California Department of Water Resources | GIS Data |
| California Wetlands Information System (Department of Water Resources) |
| CO |
| Colorado Department of Natural Resources: Division of Wildlife | GIS Data |
| CT |
| Connecticut Department of Environmental Protection | GIS Data |
| DE |
| Delaware Department of Natural Resources and Environmental Control | GIS Data |
| FL |
| Florida Department of Environmental Protection | GIS Data |
| GA |
| Georgia Department of Natural Resources | GIS Data |
| Georgia Department of Natural Resources, Coastal Resources Division |
| HI |
| Hawaii State Department of Land and Natural Resources & Hawaii State Department of Health | GIS Data |
| Hawaii Office of Planning |
| ID |
| Idaho Fish and Game | GIS Data |
| Idaho Department of Environmental Quality |
| IL |
| Illinois Department of Natural Resources | GIS Data |
| IN |
| Indiana Department of Environmental Management | GIS Data |
| IA |
| Iowa Department of Natural Resources | GIS Data |
| Iowa Department of Natural Resources (Wetlands Permitting) |
| KS |
| Kansas Department of Health and Environment | GIS Data |
| Kansas Wetlands Education Center |
| KY |
| Kentucky Department of Fish and Wildlife Resources | GIS Data |
| LA |
| Louisiana Department of Natural Resources | GIS Data |
| ME |
| Maine Bureau of Land and Water Quality | GIS Data |
| MD |
| Maryland Department of the Environment | GIS Data |
| Maryland Department of Natural Resources (Critical Areas Program) |
| MA |
| Massachusetts Department of Environmental Protection | GIS Data |
| MI |
| Michigan Department of Environmental Quality | GIS Data |
| MN |
| Minnesota Department of Natural Resources | GIS Data |
| MS |
| Mississippi Department of Environmental Quality | GIS Data |
| MO |
| Missouri Department of Conservation | GIS Data |
| Missouri Department of Natural Resources |
| MT |
| Montana Department of Environmental Quality | GIS Data |
| Montana Natural Heritage Program |
| NE |
| Nebraska Game and Parks Commission | GIS Data |
| NV |
| Nevada Department of Conservation and Natural Resources | GIS Data |
| NH |
| New Hampshire Department of Environmental Services | GIS Data |
| New Hampshire Department of Environmental Services (Wetland Bureau) |
| NJ |
| New Jersey Department of Environmental Protection | GIS Data |
| NM |
| New Mexico Environment Department | GIS Data |
| NY |
| New York State Department of Environmental Conservation | GIS Data |
| NC |
| North Carolina Department of Environment and Natural Resources | GIS Data |
| ND |
| North Dakota State Water Commission | GIS Data |
| OH |
| Ohio Environmental Protection Agency | GIS Data |
| OK |
| Oklahoma Conservation Commission | GIS Data |
| OR |
| Oregon Department of State Lands | GIS Data |
| PA |
| Pennsylvania Department of Environmental Protection | GIS Data |
| RI |
| Rhode Island Department of Environmental Management | GIS Data |
| SC |
| South Carolina Department of Natural Resources | GIS Data | Additional GIS Data |
| SD |
| South Dakota Department of Environment and Natural Resources | GIS Data |
| TN |
| Tennessee Department of Environment & Conservation | GIS Data |
| Tennessee Wetlands |
| TX |
| Texas Parks and Wildlife Department | GIS Data |
| UT |
| Utah Department of Environmental Quality | GIS Data |
| VT |
| Vermont Deparmtent of Environmental Conservation | GIS Data |
| VA |
| Virginia Department of Environmental Quality | GIS Data |
| WA |
| Washington State Department of Ecology | GIS Data |
| WV |
| West Virginia Department of Environmental Protection | GIS Data |
| WI |
| Wisconsin Department of Natural Resources | GIS Data |
| WY |
| Wyoming Department of Environmental Quality | GIS Data |
