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Federal
EnviroAtlas - Estimated floodplain map for the Conterminous United States
U.S. Environmental Protection Agency —
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain... -
Federal
EnviroAtlas - Portland, ME - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
BLM Natl AIM Lotic Public Geodatabase
Department of the Interior —
The AIM Strategy provides a standard, quantitative approach to assessing the health of uplands (terrestrial), rivers and streams (lotic), and riparian and wetland... -
Floodplains Outline from 2016
District of Columbia —
The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary risk... -
County
Loudoun Floodplain
Loudoun County, Virginia —
More MetadataMaintenance and Update Frequency: Floodplain boundaries are updated by Building and Development staff as detailed floodplain studies are submitted and... -
State
Statewide Levee
State of Oregon —
This is a dataset download, not a document. The Open button will start the download.The levee lines feature class is an inventory of levee lines representing the... -
Federal
EnviroAtlas - Birmingham, AL - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - St. Louis, MO - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Portland, OR - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Fresno, CA - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Chicago, IL - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Pittsburgh, PA - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Phoenix, AZ - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - New Haven, CT - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Austin, TX - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Community Rating System Special Flood Hazard Areas
District of Columbia —
The Community Rating System (CRS) is a voluntary incentive program that recognizes and encourages community floodplain management practices that exceed the minimum... -
Federal
EnviroAtlas - Virginia Beach/Williamsburg, VA - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Green Bay, WI - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Milwaukee, WI - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas - Tampa, FL - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%...