Dam Name : Mammoth Pool
NPDP ID : CA00443

NPDP IDCA00443
Dam NameMammoth Pool
Other Dam Name 
Year of Completion1959
State ID02085-01-01
Is in NIDYes
Is in OperationYes
Longitude-119.31
Latitude37.32
StateCA
CountyFresno
Town SectionS.14,T.7S,R.24E,MDB&M
RiverSan Joaquin River
Owner NameSouthern California Edison Co.
Owner TypePrivate
Dam TypesEarth Rockfill
NID CoreCore; Earth; Known;
Crest Length820
Dam NID Height411
Structral Height411
Hydraulic Height330
Dam Volume5250000
NID TypeRock
Max Storage Capacity123000
Normal Storage Capacity120000
NID Storage Capacity123000
Surface Area1100
Drainage Area1000
Primary PurposeHydroelectric
Secondary PurposeRecreation
Hazard ClassificationHigh
EAPYes
Is State RegulatedNo
State Regulatory Agency 
Federal Regulatory AgencyDOE FERC