Storage Dams

2      

Diversion Dams

1      

Canals

20 mi  

Laterals

43 mi  

Pumping Plants

2      

Type:

Concrete ogee weir, embankment wing

Location

On Salmon Creek about 4 miles northwest of Okanogan, Washington.

Year Completed

1906  

Dimensions:

   Structural height

6 ft  

   Hydraulic height

5 ft  

   Weir crest length

50 ft  

   Crest elevation

1,376.0 ft  

   Length

140 ft  

Spillway:

Overflow weir

   Capacity

300 cfs  

Headworks:

6-ft-wide concrete with hand-operated wooden control gate.

   Diversion capacity

100 cfs  

Location

From Salmon Creek Diversion Dam southeasterly.

Construction period

1911-1917. Partially relined in 1936, and 1950  

Length

2 mi  

Diversion capacity

100 cfs  

Typical section in earth:

   Bottom width

10 ft  

   Side slopes

1.5:1  

   Water depth

3 ft  

Typical section, concrete lined:

   Bottom width

5 ft  

   Side slopes

1.5:1  

   Water depth

3 ft  

   Lining thickness

1.5 in  

Location

From the end the of the Main Canal 1 mile north of Okanogan, Washington, then northeasterly.

Construction period

1911-1917. Partially relined 1935-1940  

Length

12 mi  

Typical section in earth:

   Bottom width

10 ft  

   Side slopes

1.5:1  

   Water depth

3 ft  

Typical section, concrete lined:

   Bottom width

5 ft  

   Side slopes

1.25:1  

   Water depth

2 ft  

   Lining thickness

3 in  

Location

From the end of the Main Canal 2 miles north of Okanogan, Washington, then northeasterly.

Construction period

1911-1917  

Length

6 mi  

Typical section, concrete lined:

   Bottom width

3 ft  

   Side slopes

1.5:1  

   Water depth

1.5 ft  

   Lining thickness

1.5 ft  

Designation

Number of units

Total capacity, cfs

Total dynamic head, ft

Total horsepower

Shell Rock Point

4

33

620

3,200

Duck Lake

1

10

15-40

   125