Storage Dams

1      

Diversion Dams

1      

Canals

44.2 mi  

Laterals

61.1 mi  

Drains

16.7 mi  

Type:

Concrete gate structure with embankment wings.

Location

On Beaverhead River about 11 mi downstream from Clark Canyon Dam.

Year Completed

1963  

Dimensions:

   Hydraulic height

10 ft  

   Crest length

1,720 ft  

   Elevation of controlled water surface

5,255.0 ft  

   Volume (concrete)

1,390 yd³  

Spillway:

One 24- by 10-ft radial gate.

   Capacity

2,500 cfs  

East Bench Canal headworks:

Two 10- by 8-ft radial gates.

   Capacity

    200 cfs  

Rebich Ditch headworks:

One 24-in-diameter slide gate and one 36- by 30-in slide gate in series.

   Capacity

      12 cfs  

Location

From Barretts Diversion Dam, 44.2 miles in a northeasterly direction.

Construction period

1961-1964  

Length

44.2 mi  

Initial capacity

440 cfs  

Typical maximum section:

   Bottom width

22 ft  

   Side slopes

2:1  

   Water depth

6.57 ft