Preston Whitney Breach Analysis and Inundation Mapping

A breach analysis was completed for Glendale, Lamont, and Foster Dams near Preston, Idaho. The resulting flood inundation area was mapped for use by the Preston Whitney Irrigation Company in its emergency action plans.

Services: hydrologic and hydraulic analyses; breach analysis and flood routing; HEC-RAS analysis to determine peak outflow and downstream water surface profile; and mapping of the flood boundaries, inundated area, and flood depths.

Location: Preston, Idaho