Projects

Project Name: Lower Gila River Overflow FDS

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Project Manager: Kathryn Gross
Contact by phone at (602) 506-4837 or by email

Project is in Supervisor District:

• District 1: False
• District 2: False
• District 3: False
• District 4: True
• District 5: False

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Project Type: Study

Project Description:

View a map of the Overflow Area Floodplain Delineation with zone designations.

The District has prepared a new floodplain delineation study of the Lower Gila River between Miller Road and Bullard Avenue in cooperation with the Cities of Buckeye and Goodyear. The new study uses updated topographic mapping and a recently approved FEMA model (HEC-RAS 2D). The model will evaluate the spillover from the river to the north into the Lower Gila River Overflow Area (previously referred to as the Buckeye Slough which is located between Apache and Perryville Roads on the north side of the river). 

This new modeling will provide more accurate floodplain delineation potentially decreasing floodplain limits and flood depths. There may be, however, some areas where the flood depths could increase.

Last Updated: 2/24/2021 11:41:38 AM