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Found 44 datasets matching "National Flood Hazard Layer".

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#1 Federal
National Flood Hazard Layer
- Organization: Department of Homeland Security
- Dataset Last Updated: April 01, 2025 at 12:39 PM
geospatial data sets containing information on National Flood Hazard Layer (NFHL).
- FILE
Search relevance: 240.81 | Views last month: 32 | Catalog Last Checked: September 10, 2026 at 05:45 PM
#2 Federal
National Flood Hazard Layer (NFHL)
- Organization: Department of Homeland Security
- Dataset Last Updated: October 24, 2022 at 12:14 PM
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on National Flood Hazard Layer (NFHL).

Search relevance: 229.37 | Views last month: 14 | Catalog Last Checked: September 10, 2026 at 05:46 PM
#3 Federal
EnviroAtlas - New Haven, CT - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 74.11 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:25 AM
#4 Federal
EnviroAtlas - Cleveland, OH - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 74.11 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:15 AM
#5 Federal
EnviroAtlas - San Diego, CA - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: November 17, 2022 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 74.11 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:33 AM
#6 Federal
EnviroAtlas - Woodbine, IA - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 74.11 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:40 AM
#7 Federal
EnviroAtlas - Chicago, IL - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: November 25, 2019 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 04:14 AM
#8 Federal
EnviroAtlas - Sonoma County, CA - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: September 25, 2018 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 04:35 AM
#9 Federal
EnviroAtlas - Des Moines, IA - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: November 18, 2019 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:16 AM
#10 Federal
EnviroAtlas - Austin, TX - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:10 AM
#11 Federal
EnviroAtlas - Philadelphia, PA - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: November 19, 2019 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:28 AM
#12 Federal
EnviroAtlas - Los Angeles, CA - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: September 17, 2019 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:20 AM
#13 Federal
EnviroAtlas - Portland, OR - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:31 AM
#14 Federal
EnviroAtlas - Milwaukee, WI - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:23 AM
#15 Federal
EnviroAtlas - Durham, NC - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:17 AM
#16 Federal
EnviroAtlas - New York, NY - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 0 | Catalog Last Checked: August 03, 2026 at 04:26 AM
#17 Federal
EnviroAtlas - Salt Lake City, UT - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: August 30, 2018 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:33 AM
#18 Federal
EnviroAtlas - Pittsburgh, PA - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:29 AM
#19 Federal
EnviroAtlas - Brownsville, TX - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: November 27, 2019 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:13 AM
#20 Federal
EnviroAtlas - New Bedford, MA - People and Land Cover in Floodplains by Block Group
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: July 19, 2017 at 12:00 AM
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% Annual Chance Flood Hazard...
- ZIP
- ZIP
- HTML
- HTML
Search relevance: 73.51 | Views last month: 1 | Catalog Last Checked: August 03, 2026 at 04:24 AM

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