Kahoma Stream

The Kahoma Stream Flood Control project is located in Lahaina on the island of Maui and was completed in 1990. The project was authorized under Section 201 of the Flood Control Act of 1965. Total project cost was $18,500,000 (Federal: $10,840,000; non-Federal: $7,660,000). The drainage basin totals 5.4 square miles.

The project consists of a 5,415-foot concrete channel, a debris basin, an offshore rubble apron, three pre-stressed concrete bridges, and related utility relocations. The debris basin design volume is 54,000 cubic yards. The project is designed for standard project flood level protection with a discharge of 15,200 cubic feet per second at the stream mouth. The local sponsor is the County of Maui, Department of Public Works.