O'Neill Forebay Dike

California — Merced County — SAN LUIS CREEK OS

Location

StateCalifornia
CountyMerced
RiverSAN LUIS CREEK OS
Coordinates37.10860, -121.05700

Physical Characteristics

NID Height20 ft
Dam Height16 ft
Dam Length1,120 ft
NID Storage64,800 acre-ft
Max Storage64,800 acre-ft
Surface Area2,250 acres

Safety Classification

Hazard PotentialLow
Condition AssessmentNot Available
EAP StatusYes
Last InspectionMay 17, 2023
Inspection Frequency6

Dam Information

Year Completed1967
Primary PurposeHydroelectric
Dam TypeEarth
Owner TypeFederal
OwnerBUREAU OF RECLAMATION
Other NameO'Neill Forebay

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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