Base Level Engineering (BLE) Status

The map and tables below show progress and development of new BLE products. This information is subject to change as the projected BLE progress and schedule are contingent on many factors including federal funding availability, partnering agency involvement, and evolving prioritizations.

Status Map

This interactive dashboard provides the current progress of BLE development throughout the state. For watersheds with status 'complete' (meaning BLE development is complete for that watershed) access and download the BLE modeling files and results by going to FEMA's Estimated Base Flood Elevation Viewer.

  • HUC stands for Hydrologic Unit Code and is a unit of measurement for watersheds determined by the United States Geological Survey. HUC-8s are very roughly the size of Texas counties.
  • 1D and 2D are terms for different flood modeling methods.

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