General

• Vicinity Map
• Region (Map) ....................... Great Plains
• State (Map) ............................... Colorado
• County .......................................... Larimer
• Project ............ Colorado-Big Thompson
• Dam type ...................................... Earthfill
• Location ...... 10.5 mi E of Estes Park, CO
• Watercourse .................. Little Hell Creek
• Reservoir .................... Pole Hill Afterbay
• Construction Date ............................ 1953
• National ID Number ................. CO82917
• Hydrologic Unit Code .................

Dimensions

• Crest Elevation of Dam ............... 6597.25 ft
• Structural Height of Dam .................. 32.0 ft
• Crest Length ..................................... 220.0 ft
• Top of Joint Use .................................... NA
• Top of Active Conservation ........ 6593.0 ft
• Top of Inactive Conservation . 6579.25.0 ft
• Spillway Crest ......................................... NA
• Top of Dead Storage ............................. NA
• Streambed at Dam Axis .......................... NA

Hydraulics

• Normal Water Surface Elev: .............. 6586.0 ft
• Hydraulic Height: ................................... 21.0 ft
• Service Spillway Type:
•    Siphon spillway    .....................................Yes
•    Morning-Glory .......................................... No
•    Crest Length    ......................................... xx ft
•    Gated      ..................................................... No
•    Capacity at Elev:  6593.0  ft,            550.0 cfs
• Auxiliary Spillway ....................................... No
•     Capacity at Elev.   ................................ 0 cfs
• Outlet Works Capacity at

    Elevation  xxxx.0 ft.,  ....................... x,xxx cfs

Hydrology

• Drainage Area: ................................. sq mi
• Hydrometeorological Report      HMR
• Flood Type: ...............................General
• Storm Duration: .......................................  hrs
• Probable Maximum Flood (PMF) Report:

  Peak Inflow: ..................................  cfs

•   Inflow Volume: ........................  acre-ft
•   Flow Duration: ......................................0 days
•   PMF Routing MWS Elev.: ................. x.0 ft
•   Initial Routing Elev: ............................ x.0 ft
•   Study Date: