BALL MOUNTAIN DAM

WEST RIVER - Connecticut River Basin - Jamaica, VT

DRAINAGE AREA: 172 sq.mi.

PERMANENT POOL: 75 Acre Recreation Pool
Summer Stage: 65 Ft (870.5 Ft NGVD)
Winter Stage: 35 Ft (840.5 Ft NGVD)

DAM
Type: Rock and earth fill
Length: 915 Feet
Top Elev = 1052.0 Ft NGVD (246.5 Ft)

FLOOD CONTROL STORAGE
Capacity: 52,450 Acre Feet
5.7 Inches of Runoff
Area at Crest: 810 Acres

CONTROL WORKS
Type: Circular Conduit
Size: 13.5' diameter
Length: 864 Feet
Invert Elev = 805.5 Ft NGVD
Capacity (Full Pool): 10,400 cfs
Gates (Type): Hydraulic Slide
Number: 3
Size: 5'-8" X 10'
Channel Capacity = 5000 cfs

SPILLWAY
Type: Ogee Weir
Length: 235 Feet
Elev = 1017.0 Ft NGVD (211.5 Ft)

SPILLWAY DESIGN FLOOD

RECREATIONAL FACILITIES: Campground with 108 campsites and fireplaces, three bathrooms with showers, drinking water, trails, beach, parking, camper dump station, Dam overlook with 3 picnic tables.

TOTAL COST: $10,585,000

PLACED IN OPERATION: October 1961