WESTVILLE DAM

QUINEBAUG RIVER - Thames River Basin - Southbridge, MA



DRAINAGE AREA: 99.5 sq.mi.(Gross)
32.0 sq.mi.(Net)

PERMANENT POOL: 23 Acre Recreation Pool
Stage: 10.5 ft (525.5 ft NGVD)

DAM
Type: Rolled Earth Fill
Length: 560 Feet
Top Elev: 587.0 ft NGVD(72 ft)

FLOOD CONTROL STORAGE
Capacity: 11,000 Acre Feet
6.4 (net) Inches of Runoff
Area at Crest: 913 Acres

CONTROL WORKS
Type: 3 Rectangular Conduits
Size: 4' x 6'
Length: 63 Feet
Invert Elev: 515.0 ft NGVD
Weir Elevation (top of logs): 10.5 ft (525.5 ft NGVD)
Capacity (Full Pool): 3,750 cfs
Gates (Type): Elec Controlled Slide
Number: 3
Size: 4' X 6'
Channel Capacity: 1600 cfs

SPILLWAY
Type: Chute Spillway w/Concrete Ogee Weir
Length: 200 Feet
Elev: 572.0 ft NGVD (57 ft)

SPILLWAY DESIGN FLOOD RECREATIONAL FACILITIES: 50 Picnic tables with grills, parking areas, bathroom, water, group picnic shelter, trails, winter skating area and boat ramp.

TOTAL COST: $5,685,000

PLACED IN OPERATION: January 1962