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Emergency management releases updated Provo River and Utah Lake flood‑risk study; public outreach planned
Summary
The Utah Division of Emergency Management presented updated flood maps for the Provo River and Utah Lake, finding older 1988 studies outdated, treating a Provo River levee as uncertified for FEMA maps, and adding shoreline (VE) zones for lake wave action; preliminary FEMA maps are expected in the fall with public meetings to follow.
Jamie Huff, risk map program manager for the Utah Division of Emergency Management, told the Utah County Commission that maps last comprehensively updated in 1988 are being replaced with new hydrology, hydraulics and LIDAR data for the Provo River and Utah Lake.
"The maps are from '88, so they're very old," Huff said, noting the team completed field surveys, updated flow models and tied tributary river analyses into the lake study. In the Provo River analysis the project team could not locate documentation showing the levee was accredited; as a…
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