Dams in Benton County, Oregon

6Total Dams
2High Hazard
1Significant

Dam Safety in Benton County, Oregon

Benton County has 6 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification.

The average dam in Benton County is 63 years old. The most common purpose is recreation. The tallest dam is North Fork at 83 ft.

DamHazardConditionHeight (ft)PurposeYear
North ForkHighFair83Water Supply1960
Mcnary Lock And Dam - Richland Levee 4aHighNot Available30Flood Risk Reduction1952
Thompson (benton)SignificantNot Rated44Recreation1956
DelaubenfelsLowNot Rated33Irrigation1970
Moore-emoryLowNot Rated33Irrigation1962
Whispering WindsLowNot Rated26Recreation1973