Monticello Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateCalifornia
CountyNapa
River/StreamPUTAH CREEK
Coordinates38.51340, -122.10430

Physical Characteristics

Dam TypeConcrete
NID Height304 ft
Dam Height255 ft
Dam Length1,023 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage1,902,086 acre-ft
Max Storage1,902,086 acre-ft
Normal Storage1,602,278 acre-ft
Surface Area20,240 acres
Drainage Area567 sq mi
Max Discharge47,300 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerBUREAU OF RECLAMATION
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection03/10/2020
Emergency Action PlanYes

Identifiers

NID IDCA10170
Federal IDCA10170
More InfoState Dam Safety Program

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