General

• Vicinity Map
• Region (Map) ....................... Great Plains
• State (Map) ...............................Wyoming
• County ......................................... Goshen
• Project ................................... North Platte
• Dam type .................................. Diversion
• Location ..................... Near Whalen, WY
• Watercourse .............. North Platte River
• Original Construction ...................... 1909
• Modified ........................ 1918, 1921, 1923
• National ID Number ........................... NA
• Hydrologic Unit Code ............................

Dimensions

• Crest Elevation .............................. 4292.0 ft
• Weir Crest Elevation ..................... 4279.0 ft
• Structural Height ............................... 35.0 ft
• Hydraulic Height ............................... 11.0 ft
• Weir Crest Length .............................. 325 ft
• Total Crest Length ....................... 2,460.0 ft
• Crest Width ............................................ NA
• Base Width ............................................. NA
• Volume ....................................... 7,200 cu yd

Hydraulics

• Spillway capacity ...................... 3,700 cfs
• Diversion capacity:
•       Interstate Canal ................... 2,200 cfs
•       Fort Laramie Canal .............. 1,500 cfs

Headworks

• Interstate Canal:  Nine 5.75- by 6.0-foot regulating gates.
• Fort Laramie Canal:  Seven 5.75- by 6.0-foot regulating gates.
• Sluiceways:  Four 5.75- by 6.0-foot scouring gates.