Mcmahon

Low HazardSatisfactory ConditionEmergency Action Plan: No

Location

CountyMariposa
River/StreamMaxwell Creek
Coordinates37.69916, -120.19824

Physical Characteristics

Dam TypeEarth
NID Height52 ft
Dam Height52 ft
Dam Length705 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage520 acre-ft
Max Storage520 acre-ft
Surface Area26 acres
Drainage Area18 sq mi

Ownership & Safety

PurposeWater Supply
OwnerKym Carpenter
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection05/28/2025
Emergency Action PlanNo

Identifiers

NID IDCA00701
Federal IDCA00701
More InfoState Dam Safety Program

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