Decoto Reservoir

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

CountyAlameda
Nearest CityUnion City
River/StreamOffstream
Coordinates37.59160, -121.99710

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length1,360 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage46 acre-ft
Max Storage46 acre-ft
Surface Area3 acres

Ownership & Safety

PurposeWater Supply
OwnerAlameda County Water District
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection10/29/2024
Emergency Action PlanYes

Identifiers

NID IDCA00898
Federal IDCA00898
More InfoState Dam Safety Program

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