Dam Name : Diablo
NPDP ID : WA00170

NPDP IDWA00170
Dam NameDiablo
Other Dam Name 
Year of Completion1930
State ID00553-02-01
Is in NIDYes
Is in OperationYes
Longitude-121.14
Latitude48.72
StateWA
CountyWhatcom
Town Section 
RiverSkagit R
Owner NameCity Of Seattle
Owner TypePublic Utility
Dam TypesConcrete Arch Gravity
NID CoreHomogenous dam; Concrete; Known;
Crest Length1180
Dam NID Height389
Structral Height389
Hydraulic Height335
Dam Volume0
NID TypeRock
Max Storage Capacity88500
Normal Storage Capacity88500
NID Storage Capacity88500
Surface Area990
Drainage Area1103
Primary PurposeHydroelectric
Secondary PurposeNone
Hazard ClassificationHigh
EAPYes
Is State RegulatedNo
State Regulatory Agency 
Federal Regulatory AgencyDOE FERC