Mcswain

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateCalifornia
CountyMariposa
Nearest CitySnelling
River/StreamMerced River
Coordinates37.52100, -120.31090

Physical Characteristics

Dam TypeRockfill
NID Height97 ft
Dam Height97 ft
Dam Length1,620 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage9,730 acre-ft
Max Storage9,730 acre-ft
Normal Storage8,255 acre-ft
Surface Area310 acres
Drainage Area1,054 sq mi
Max Discharge250,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerMerced Irrigation District
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection08/08/2023
Emergency Action PlanYes

Identifiers

NID IDCA00242
Federal IDCA00242
More InfoState Dam Safety Program

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