Beardsley

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateCalifornia
CountyTuolumne
Nearest CitySonora
River/StreamMiddle Fork Stanislaus River
Coordinates38.20350, -120.07530

Physical Characteristics

Dam TypeEarth
NID Height284 ft
Dam Height278 ft
Dam Length1,000 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage97,800 acre-ft
Max Storage97,800 acre-ft
Normal Storage97,500 acre-ft
Surface Area720 acres
Drainage Area310 sq mi
Max Discharge90,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerSouth San Joaquin Irrigation District
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection07/25/2023
Emergency Action PlanYes

Identifiers

NID IDCA00263
Federal IDCA00263
More InfoState Dam Safety Program

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