General

• Region (Map) : .................. Mid-Pacific
• State (Map) ........................ California
• County ................................ Ventura
• Project: ................................ Ventura River
• Dam type: ........................... Earthfill
• Location: ............................ 8 mi SW of Oak View
• Watercourse: ..................... Coyote Creek
• Reservoir: ........................... Casitas
• Construction Date: ............1956-1959
• National ID Number .......... CA10139
• Hydrologic Unit Code .......

Dimensions

• Crest Elevation of Dam: ........................ 585.0 ft
• Structural Height of Dam: ..................... 334.0 ft
• Crest Length: ........................................ 2000.0 ft
• Top of Joint Use: ...........................................NA
• Top of Active Conservation: ................567.0 ft
• Top of Inactive Conservation: ..................  NA
• Spillway Crest: .........................................567.0 ft
• Top of Dead Storage: ............................ 350.0 ft
• Streambed at Dam Axis : ....................... 300.0 ft

Hydraulics

• Normal Water Surface Elev: ................. 567.0 ft
• Hydraulic Height: .................................. 261.0 ft
• Service Spillway Type:
•    Uncontrolled  Crest    ...............................Yes
•    Morning-Glory ............................................No
•    Crest Length    ......................................... 50 ft
•    Gated      ...................................................... No
•    Capacity at Elev:  578.7 ft, ...............7,400 cfs
• Auxiliary Spillway ......................................... No
•     Capacity at Elev.   .................................... NA
• Outlet Works Capacity at
•     Elevation  567.0 ft.,  ........................... 570 cfs

Hydrology

• Drainage Area: .................................. 38.3 sq mi
• Hydrometeorological Report(HMR)   HMR 36
• Flood Type: ............................ January General
• Storm Duration: ....................................... 72 hrs
• Probable Maximum Flood (PMF) Report:  
•   Peak Inflow: ..................................... 59,100 cfs
•   Inflow Volume: .......................... 79,660 acre-ft
•   Flow Duration: ................................... 3.5 days
•   PMF Routing MWS Elev.: ................585.81 ft
•   Initial Routing Elev: ............................ 567.0 ft
•   Study Date: ........................... September 1982