General

• Region (Map) : .................. Great Plains
• State (Map) ........................ Colorado
• County ................................ Lake
• Project: ................................ Fryingpan-Arkansas
• Dam type: ........................... Earthfill
• Location: ............................ 13 mi S of Leadville
• Watercourse: ..................... Lake Creek
• Reservoir: ........................... Twin Lakes
• Construction Date: ............1978
• National ID Number .......... CO02045
• Hydrologic Unit Code ......

Dimensions

• Crest Elevation of Dam: ...................... 9210.0 ft
• Structural Height of Dam: ........................... NA
• Crest Length: ........................................ 3150.0 ft
• Top of Joint Use: .......................................... NA
• Top of Active Conservation: ............. 9200.0 ft
• Top of Inactive Conservation: ........... 9168.7 ft
• Spillway Crest: ...................................... 9200.0 ft
• Top of Dead Storage: .......................... 9157.5 ft
• Streambed at Dam Axis : ...... Original Lakebed

Hydraulics

• Normal Water Surface Elev: ............... 9200.0 ft
• Hydraulic Height: ...................................       NA
• Service Spillway Type:
•    Uncontrolled  Crest   .................................Yes
•    Morning-Glory ...........................................Yes
•    Crest Length    ........................................... NA
•    Gated      ....................................................... No
•    Capacity at Elev:  9202.3 ft,              9 ,200 cfs
• Auxiliary Spillway ......................................... No
•     Capacity at Elev.   .................................. 0 cfs
• Outlet Works Capacity at
•     Elevation  9202.3 ft.,  .......................3,465 cfs

Hydrology

• Drainage Area: ................................ 105.0 sq mi
• Hydrometeorological Report  ...........  HMR 55

Flood Type: .................................. June General

• Storm Duration: ........................................ 72 hrs
• Probable Maximum Flood (PMF) Report:
•   Peak Inflow: ...................................... 85,900 cfs
•   Inflow Volume: ........................  165,000 acre-ft
•   Flow Duration: ..................................... 15 days
•   PMF Routing MWS Elev.: ........................ NA
•   Initial Routing Elev: ........................... 9200.0 ft
•   Study Date: ................................ October 1988