Monticello Dam

California — Napa County — PUTAH CREEK

Location

StateCalifornia
CountyNapa
RiverPUTAH CREEK
Coordinates38.51340, -122.10430

Physical Characteristics

NID Height304 ft
Dam Height255 ft
Dam Length1,023 ft
NID Storage1,902,086 acre-ft
Max Storage1,902,086 acre-ft
Surface Area20,240 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentNot Available
EAP StatusYes
Last InspectionMarch 10, 2020
Inspection Frequency4

Dam Information

Year Completed1957
Primary PurposeIrrigation
Dam TypeConcrete
Owner TypeFederal
OwnerBUREAU OF RECLAMATION
Other NameLake Berryessa

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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