Bonneville Locks And Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateOregon
CountyMultnomah
Nearest CityBONNEVILLE
River/StreamCOLUMBIA RIVER
Coordinates45.64426, -121.94086

Physical Characteristics

Dam TypeGravity
NID Height197 ft
Dam Height56 ft
Dam Length2,477 ft
Year Completed1938 (88 years old)

Storage & Hydraulics

NID Storage537,000 acre-ft
Max Storage537,000 acre-ft
Normal Storage277,000 acre-ft
Surface Area20,600 acres
Drainage Area240,000 sq mi
Max Discharge940,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Portland District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection05/31/2023
Emergency Action PlanYes

Identifiers

NID IDOR00001
Federal IDOR00001
More InfoState Dam Safety Program

Nearby Dams

Iman Lake Dam 3.6 mi High Duncan Creek Dam 5.2 mi Low Wahkeena Rearing Reservoir 10.7 mi Low Berge Reservoir Dam 10.8 mi Low Green Point-upper (no. 2) 12.8 mi Significant Green Point-lower (no. 1) 13.0 mi Significant Development No. 1 Dam 13.1 mi High Wind River Logging Co Pond 13.2 mi Low Bull Run Lake Dam 13.5 mi Low