Skip to main content
U.S. flag

An official website of the United States government

Found 5 datasets matching "Flood Hazard Boundaries".

  • #1 County

    More MetadataMaintenance and Update Frequency: Floodplain boundaries are updated by Building and Development staff as detailed floodplain studies are submitted and floodplain alterations are...

    Search relevance: 48.08 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:28 PM
  • #2 Federal

    This dataset is also known as the 3d layer and contains a fairly comprehensive set of unaltered source geometry polygons that overlap. It is derived from Census, State of Maine, and National...

    Search relevance: 38.15 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:45 PM
  • #3 Federal

    This dataset is flattened and multicounty communities are unsplit by county lines. Flattened means that there are no overlaps; larger shapes like counties are punched out or clipped where smaller...

    Search relevance: 34.80 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 05:45 PM
  • #4 Federal

    This dataset is flattened and multicounty communities are split by county lines. Flattened means that there are no overlaps; larger shapes like counties are punched out or clipped where smaller...

    Search relevance: 34.80 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 05:45 PM
  • #5 Federal

    NOAA's Electronic Navigational Charts (NOAA ENCs) have been developed to support the marine transportation infrastructure and coastal management. The NOAA ENCs are in S-57, a data standard...

    Search relevance: 9.63 | Views last month: 7 | Catalog Last Checked: August 01, 2026 at 04:22 AM

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov