General

• Region (Map) : .................. Upper Colorado
• State (Map) ........................ New Mexico
• County ................................ Eddy
• Project: ................................ Carlsbad
• Dam type: ........................... Earthfill
• Location: ............................ 5 mi N of Carlsbad
• Watercourse: ..................... Pecos River
• Reservoir: ........................... Avalon
• Construction Date: ............1936-1937
• National ID Number .......... NM00132
• Hydrologic Unit Code ......

Dimensions

• Crest Elevation of Dam: ...................... 3194.0 ft
• Structural Height of Dam: ...................     60.0 ft
• Crest Length: ........................................ 3084.0 ft
• Top of Joint Use: ..................................         NA
• Top of Active Conservation: ............. 3177.4 ft
• Top of Inactive Conservation: ............        NA
• Spillway Crest: #1,3 ............................. 3177.8 ft
• Spillway Crest  #2  ..............................  3177.4 ft
• Top of Dead Storage: .......................... 3157.0 ft
• Streambed at Dam Axis : ..................... 3152.0 ft

Hydraulics

• Normal Water Surface Elev: ............... 3177.4 ft
• Hydraulic Height: ...................................  33.4 ft
• Service Spillway Type:
•    Uncontrolled  Crest  Nos 1&2...................Yes
•    Morning-Glory  No.3................................. Yes
•    Crest Length    ..........................................  NA
•    Gated      ....................................................... No
•    Capacity at Elev:  3192.0  ft, ....... 145,000  cfs
• Auxiliary Spillway ......................................... No
•     Capacity at Elev.   .................................. 0  cfs
• Outlet Works Capacity at
•     Elevation  3190.0 ft  ....................... 23,600 cfs

Hydrology

• Drainage Area: ..................................393.0 sq mi
• Hydrometeorological Report         HMR 51&52
• Flood Type: ................................Winter General
• Storm Duration: ......................................... 72 hrs
• Probable Maximum Flood (PMF) Report:
•   Peak Inflow: .................................... 465,000 cfs
•   Inflow Volume: ......................... 397,000 acre-ft
•   Flow Duration: .................................... 7.5 days
•   PMF Routing MWS Elev.: ........................ NA
•   Initial Routing Elev: ........................... 3177.4 ft
•   Study Date: ....................................... June 1988