Found 9 datasets matching filters.
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Location and attributes for Base Flood Elevations lines shown on FIRM. The elevation of surface water resulting from a flood that has a 1% chance of equaling or exceeding that level in any given...
Search relevance: 1.00 | Views last month: 5 | Published on: 2026-01-27 -
This is a dataset download, not a document. The Open button will start the download.This data layer is an element of the Oregon GIS Framework. This feature dataset contains the following feature...
Search relevance: 1.00 | Views last month: 4 | Published on: 2026-01-27 -
Location and attributes for FIRM hardcopy map panels. The spatial entities representing FIRM panels are polygons. The polygon for the FIRM panel corresponds to the panel neatlines. FIRM panels...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-01-27 -
Location and attributes for cross section lines in the area covered by the FIRM. This layer must contain all cross sections in a model, not just the lettered cross sections. A line developed from...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-01-27 -
This application is a tool that District of Columbia property owners may use to identify the flood risk-zone for their property. The DC Department of Energy & Environment has made every reasonable...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-01-27 -
Location and attributes for flood control structures shown on the flood profile and FIRM. This table is required whenever hydraulic structures are shown in the flood profile. It is also required...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-01-27 -
Normally, any FIRM that has associated flood profiles has cross sections. The S_XS table contains information about cross section lines. These lines usually represent the locations of channel...
Search relevance: 1.00 | Views last month: 0 | Published on: 2025-09-06 -
The S_LOMR feature class should contain at least one record for each Letter of Map Revision incorporated into the NFHL. Multipart polygons are not allowed. The spatial entities representing LOMRs...
Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-02 -
The S_FIRM_Pan table contains information about the FIRM panel area. A spatial file with location information also corresponds with this data table. The spatial entities representing FIRM panels...
Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-02
