General

• Vicinity Map
• Region (Map) ...................... Great Plains
• State (Map) ............................... Colorado
• County ............................................. Pitkin
• Project ................... Fryingpan-Arkansas
• Dam type ................................. Diversion
• Location ............... 4.5 mi S of Norrie, CO
• Watercourse ................. Chapman Gulch
• Original Construction ............ 1965-1971
• National ID Number .......................... NA
• Hydrologic Unit Code .............................

Dimensions

• Crest Elevation ......................... 10,045.40 ft
• Weir Crest Elevation ................ 10,038.23 ft
• Structural Height .................................. 15 ft
• Hydraulic Height .................................... 8 ft
• Weir Crest Length ................................ 20 ft
• Total Crest Length ............................. 131 ft
• Crest Width ............................................ NA
• Base Width ............................................. NA
• Volume ................................................. cu yd

Hydraulics

• Spillway capacity
•   at El. 10,043.35 ............................ 810 cfs
• Diversion capacity ....................... 300 cfs

Headworks

• Chapman Feeder Conduit:  Four 48-by 48-inch cast iron slide gates.
• Sluiceway:  60 by 72-inch cast iron slide gate.
• 24-inch bypass pipe:  24-inch dia. cast iron slide gate.