Annual Report of the Chief of Engineers
on Civil Works Activities
Fiscal Year 1986
Department of the Army Corps of Engineers
Extract Report of Walla Walla District

Advance Engineering and Design

Zintel Canyon Dam, Washington

The proposed project consists of a roller compacted concrete dam 90 feet high with uncontrolled spillway and a fixed maximum release outlet works that would create a detention reservoir of 1,260 acre-feet of capacity. The storage comprises 860 acre-feet for flood control and 400 acre-feet for sediment. In addition, the project also includes a channel with a capacity of 400 cfs. The plan of improvement would provide protection against heavy rainfall, snowmelt, and thunderstorm floods to the city of Kennewick, Washington. Estimated Federal project cost is $4,800,000.

Reevaluation of the project was initiated to review economic feasibility, with fiscal year costs of $385.