Rio Mount Dam

Washington — Snohomish County — Tr-Stillaguamish River

Location

StateWashington
CountySnohomish
RiverTr-Stillaguamish River
Coordinates48.20347, -122.19937

Physical Characteristics

NID Height22 ft
Dam Height
Dam Length300 ft
NID Storage60 acre-ft
Max Storage60 acre-ft
Surface Area25 acres

Safety Classification

Hazard PotentialLow
Condition Assessment—
EAP StatusNot Required
Last Inspection
Inspection Frequency

Dam Information

Year Completed1979
Primary PurposeRecreation
Dam TypeEarth
Owner TypePrivate
OwnerHoaHau

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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