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EPA State and National Maps of Waters and Wetlands

**Disclaimer: Due to the large size of the maps, each one will likely take several minutes to load. Once loaded, you will be able to zoom-in for more detail in specific regions. If the maps do not load correctly, please try on a different browser.

Chairman Lamar Smith Letter to EPA Administrator McCarthy Requesting Additional Information re: Maps

EPA National Map (excluding wetlands):
National

EPA State Maps (excluding wetlands):
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming

EPA Regional Wetland Maps:
Region 1
Region 2
Region 3
Region 4
Region 5
Region 6
Region 7
Region 8
Region 9
Region 10

To read EPA’s letter that accompanied the maps, please click HERE.

To see EPA's 2005 National map and a sample state map, please click HERE for National and HERE for state.