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  • 68 locations
    6 attributes
    Coastline (from HONOLULU OPEN DATA)
    Shared by honolulugis on August 31, 2017. updated 2 days ago.
    Depicts a general coastline polygon and islets. Data was derived from the 1983 1:24,000 USGS Digital Line Graphs.
  • 96 locations
    19 attributes
    FIRM Mapsheet Index (from HONOLULU OPEN DATA)
    Shared by honolulugis on March 23, 2016. updated 2 days ago.
    Map index for Flood Insurance Rate Maps (FIRM). Derived from 2014 data.
  • 1469 locations
    11 attributes
    Flood - Elevation Contours (from HONOLULU OPEN DATA)
    Shared by honolulugis on March 21, 2016. updated 2 days ago.
    Flood elevation contour lines showing flood depths (also known as base flood elevations, of BFEs). These flood contours are part of FEMA's Flood Insurance Rate Map (FIRM). Derived from 2014 data.
  • 1623 locations
    19 attributes
    Flood - Zones (from HONOLULU OPEN DATA)
    Shared by honolulugis on March 23, 2016. updated 2 days ago.
    Special flood hazard areas for Oahu. These areas are from 2014. These data are the regulatory flood zones designated by FEMA and used for insurance rating purposes. Special flood hazard areas are subject to inundation by the 1% annual chance flood. The 1% annual chance flood (100-year flood), also known as the base flood, is the flood that has a 1% chance of being equaled or exceeded in any given year. The special flood hazard area is the area subject to flooding by the 1% annual flood. Areas of special flood hazard include Zones A, AE, AH, AO, AR, A99, D, V, VE, and X. The Base Flood Elevation (BFE) is the water-surface elevation of the 1% annual chance flood. Mandatory flood insurance purchase applies in these zones.
  • 520 locations
    16 attributes
    Storm Water - Polygons (from HONOLULU OPEN DATA)
    Shared by honolulugis on July 25, 2016. updated 3 months ago.
    Areas representing the extent of stormwater treatment control best management practices (BMPs). BMPs are categorized as retention BMPs, bio filtration BMPs, and BMPs for alternative compliance.
  • 72641 locations
    29 attributes
    Storm Water - Conduit (from HONOLULU OPEN DATA)
    Shared by honolulugis on March 24, 2016. updated 3 months ago.
    Stormwater conduits.
  • 4872 locations
    8 attributes
    Flood - Elevation Lines (from HONOLULU OPEN DATA)
    Shared by honolulugis on March 23, 2016. updated 3 months ago.
    Outlines of flood hazard polygons.

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