The Dalles Lock And Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateOregon
CountyKlickitat
Nearest CityTHE DALLES
River/StreamCOLUMBIA RIVER
Coordinates45.61483, -121.13573

Physical Characteristics

Dam TypeGravity
NID Height200 ft
Dam Height116 ft
Dam Length8,735 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage330,000 acre-ft
Max Storage330,000 acre-ft
Normal Storage277,000 acre-ft
Surface Area11,200 acres
Drainage Area237,000 sq mi
Max Discharge2,290,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Portland District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection04/12/2023
Emergency Action PlanYes

Identifiers

NID IDOR00002
Federal IDOR00002
More InfoState Dam Safety Program

Nearby Dams