General

• Region (Map) : .................. Upper Colorado
• State (Map) ........................ Colorado
• County ................................ Montezuma
• Project: ................................ Dolores
• Dam type: ........................... Earthfill
• Location: ............................ 15 mi N. of Cortez
• Watercourse: ..................... Dolores
• Reservoir: ........................... McPhee
• Construction Date: ............1983-1984
• National ID Number .......... CO82915
• Hydrologic Unit Code .....

Dimensions

• Crest Elevation of Dam: ...................... 6936.0 ft
• Structural Height of Dam: ...................   270.0 ft
• Crest Length: ........................................ 1300.0 ft
• Top of Joint Use: .................................           NA
• Top of Active Conservation: ............. 6924.0 ft
• Top of Inactive Conservation: ........... 6855.0 ft
• Spillway Crest: ...................................... 6897.0 ft
• Top of Dead Storage: .......................... 6676.0 ft
• Streambed at Dam Axis : ..................... 6666.0 ft

Hydraulic

• Normal Water Surface Elev: ............... 6924.0 ft
• Hydraulic Height: ................................   262.0 ft
• Service Spillway Type:
•    Uncontrolled  Crest    ................................ No
•    Morning-Glory ........................................... No
•    Crest Length    ..............................................  ft
•    Gated      .......................................................Yes
•    Capacity at Elev: 6928.0 ft,              33,300 cfs
• Auxiliary Spillway ......................................... No
•     Capacity at Elev.   ................................... 0 cfs
• Outlet Works Capacity at
•     Elevation   6928. 0 ft.,  ....................5275.0 cfs

Hydrology

• Drainage Area: ................................ 809.0 sq mi
• Hydrometeorological Report          HMR (NA)
• Flood Type: .................................. Spring Type
• Storm Duration: ....................................... 72 hrs
• Probable Maximum Flood (PMF) Report:
•   Peak Inflow: ..................................... 46,100 cfs
•   Inflow Volume: .......................  321,300 acre-ft
•   Flow Duration: .................................... 15 days
•   PMF Routing MWS Elev: ........................ NA
•   Initial Routing Elev: .......................... 6924.0 ft
•   Study Date: ...................................... May 1975