Experience • Drainage/Flood Control

Kanab Flood Retarding Structure

  • Client Kanab City

  • Location Kanab, Utah

  • Services FloodPlain Management

Project Highlights

  • Completed a floodplain management project.

  • The City was in need of a detention basin to attenuate flooding events and direct the 100-year floodplain to a channel.

  • Protected downstream development of private properties.

  • Completed the watershed hydrologic modeling, detention dam design, State of Utah Dam Safety coordination and approvals, hydraulic modeling (flood routing), dam break analysis, and inundation mapping.

  • A CLOMR and LOMR were also prepared and submitted to FEMA.

  • Since the improvements have been constructed, two significant flooding events have taken place.

  • During the events, the dam and detention basin, and channel directly downstream of the dam functioned as designed and the homes constructed directly downstream within the previous 100-year floodplain were protected from severe flooding damage.