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 Rathdrum Prairie Project 
 Engineering Data

Rathdrum Prairie Project  -  Main Page

Facilities in Operation

Canals

9 mi  

Laterals

100 mi  

Pumping Plants

5      

Irrigation, domestic, municipal, industrial wells.

14      


Carriage Facilities

Main Canal

Location

From Post Falls Unit Pumping Plant on the Spokane River about 3 miles east of Post Falls, Idaho.

Construction period

1945-1946  

Length

9 mi  

Diversion capacity

60 cfs  

Typical section , clay lining:

 

   Bottom width

7 ft  

   Side slopes

2:1  

   Water depth

3.2 ft  

   Lining thickness:

 

      Compacted clay

6 in  

      Gravel blanket

6 in  

      Length

2 mi  


Pumping Plant Discharge Line

Location

From Post Falls Unit Pumping Plant north

Construction period

1974  

Description:

Steel pipe

Length

3,000 ft  

Diameter

3.5 ft  

Capacity

60 cfs  

    Note:   Hayden Lake Unit 2-mile discharge line in included in the project lateral system.


Pumping Plants

Designation

Number of units

Total capacity, cfs

Total dynamic head, ft

Total horsepower

Post Falls Unit

  2

60

150

1,350

Hayden Lake Unit

  2

20

225

   700

East Greenacres Unit

14

87

430

5,430

 

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