Tieton Dam

Washington — Yakima County — TIETON RIVER

Location

StateWashington
CountyYakima
RiverTIETON RIVER
Coordinates46.65650, -121.12880

Physical Characteristics

NID Height319 ft
Dam Height196 ft
Dam Length920 ft
NID Storage198,000 acre-ft
Max Storage198,000 acre-ft
Surface Area2,525 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentNot Available
EAP StatusYes
Last InspectionAugust 27, 2020
Inspection Frequency4

Dam Information

Year Completed1925
Primary PurposeFlood Risk Reduction
Dam TypeRockfill
Owner TypeFederal
OwnerBUREAU OF RECLAMATION
Other NameRimrock Lake

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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