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 Central Arizona Project 
 Engineering Data

Central Arizona Project  -  Main Page

Facilities in Operation

Storage Facilities

1      

Diversion Facilities

3      

Aqueducts

335 mi  

Tunnels

15 mi  

Pumping Plants

15      


Storage Facilites

Diversion Facilities

Carriage Facilities

Hayden-Rhodes Aqueduct

graquedu

Location

From the Havasu diversion facilities at Lake Havasu on the Colorado River to the Salt River in the Phoenix metropolitan area.

Construction period

1973-1985  

Total length:

190 mi  

   Open channel

173.9 mi  

   Closed channel

16.1 mi  

Capacity

3,000 cfs  

Typical section, concrete-lined

    With exception of Reach 1, or first 17 miles of aqueduct

   Bottom width

24 ft  

   Side slopes

1.5:1  

   Water depth

16.5 ft  

   Concrete lining thickness

3.5 in  


Reach 1 - Hayden-Rhodes Aqueduct

Location

First 17 miles of the Hayden-Rhodes Aqueduct.

Construction period

1973-1985  

Typical section, concrete-lined

 

   Bottom width

80 ft  

   Side slopes

1.5:1  

   Water depth

10-25 ft  

   Concrete lining thickness

3.5 in  


Fannin-McFarland Aqueduct

Location

From the Salt River in the Phoenix metropolitan area to 5 miles north of the Brady Pumping Plant

Construction period

1980-1989  

Total length

58 mi  

   Open channel

57.4 mi  

   Closed channel

0.6 mi  

Capacity

2,800 cfs  

Typical section, concrete-lined

 

   Bottom width

22-24 ft  

   Side slopes

1.5:1  

   Water depth

14.5-15.8 ft  

   Concrete lining thickness

3.5 in  


Tucson Aqueduct

Location

From about 5 miles north of the Brady Pumping Plant to the end of the system.

Construction period

1980-1989  

Total length

87 mi  

   Open channel

68.7 mi  

   Closed channel

18.3 mi  

Capacity

 

   Initial

2,250 cfs  

   Final

200 cfs  

Typical section, concrete-lined

 

   Bottom width

 

     Initial

20 ft  

     Final

12 ft  

   Side slopes

1.5:1  

   Water depth

 

     Initial

16 ft  

     Final

8.6 ft  

   Concrete lining thickness

3.5 in  


Waddell Canal - Hayden-Rhodes Aqueduct

Location

From the Hayden-Rhodes Aqueduct to New Waddell Dam along the Agua Fria River

Construction period

  

Total length

4.9 mi  

Capacity

3,000 cfs  

Typical section, concrete-lined

 

   Bottom width

24 ft  

   Side slopes

1.5:1  

   Water depth

16.5 ft  

   Concrete lining thickness

3.5 in  


Santa Rosa Canal - Fannin-McFarland Aqueduct

Location

 

Construction period

  

Total length

mi  

Capacity

 cfs  

Typical section, concrete-lined

 

   Bottom width

 ft  

   Side slopes

1.5:1  

   Water depth

 ft  

   Concrete lining thickness

3.5 in  


Buckskin Mountains Tunnel - Hayden-Rhodes Aqueduct

Location

From Lake Havasu 6.9 miles through the Buckskin Mountains, discharging into open section of Hayden-Rhodes Aqueduct.

Construction period

1975-1980  

Length

6.8 mi  

Capacity

3,000 cfs  

Cross section:

    Circular

   Diameter

22 ft  

   Depth of water

15.6 ft  

Lining:

    Concrete

   Thickness

20 in  


Burnt Mountain Tunnel - Hayden-Rhodes Aqueduct

Location

In Maricopa County, about 30 miles southeast of Salome and about 60 miles west of Phoenix, Arizona.

Construction period

1978-1980  

Length

0.6 mi  

Capacity

3,000 cfs  

Cross Section:

                                                                                         Horseshoe

   Diameter

19.5 ft  

   Lining:

                                                                                           Concrete

   Depth of water

15.17 ft  

   Lining thickness

20 in  


Agua Fria Tunnel - Hayden-Rhodes Aqueduct

Location

In Maricopa County, about 27 miles northwest of Phoenix, Arizona.

Construction period

1978-1980  

Length

0.7 mi  

Capacity

3,000 cfs  

Cross section:

                                                                                        Horseshoe

   Diameter

19.5 ft  

   Lining:

                                                                                           Concrete

   Depth of water

15.17 ft  

   Lining thickness

20 in  


Cunningham Wash Siphon - Hayden-Rhodes Aqueduct

Location

In Reach 2 of the Hayden-Rhodes Aqueduct, about 6 miles north of Bouse, Arizona.

Construction period

1978-1980  

Description:

Monolithic concrete pipe

Length

0.7 mi  

Diameter

21 ft  

Capacity

3,000 cfs  


Centennial Wash Siphon - Hayden-Rhodes Aqueduct

Location

In Reach 4 of the Hayden-Rhodes Aqueduct, about 19 miles southeast of Salome, Arizona.

Construction period

1978-1980  

Description:

Prestressed concrete pipe

Length

1.1 mi  

Diameter

21 ft  

Capacity

3,000 cfs  


Jackrabbit Wash Siphon - Hayden Rhodes Aqueduct

Location

In Reach 7 of the Hayden-Rhodes Aueduct, about 25 miles northwest of Buckeye, Arizona.

Construction period

1978-1980  

Description:

Prestressed concrete pipe

Length

0.3 mi  

Diameter

21 ft  

Capacity

3,000 cfs  


Hassayampa River Siphon - Hayden-Rhodes Aqueduct

Location

In Reach 7 of the Hadyen-Rhodes Aqueduct, about 22 miles north of Buckeye, Arizona.

Construction period

1978-1980  

Description:

Prestressed concrete pipe

Length

0.7 mi  

Diameter

21 ft  

Capacity

3,000 cfs  


Agua Fria River Siphon - Hayden-Rhodes Aqueduct

Location

In Reach 9 of the Hayden-Rhodes Aqueduct, about 27 miles northwest of Phoenix, Arizona.

Construction period

1975-1978  

Description:

Prestressed concrete pipe

Length

1.9 mi  

Diameter

21 ft  

Capacity

3,000 cfs  


New River Siphon - Hayden-Rhodes Aqueduct

Location

In Reach 9 of the Hayden-Rhodes Aqueduct, about 27 miles northwest of Phoenix, Arizona.

Construction period

1975-1978  

Description:

Prestressed concrete pipe

Length

1.1 mi  

Diameter

21 ft  

Capacity

3,000 cfs  


Salt River Siphon - Hayden-Rhodes Aqueduct

Location

In Reach 12 of the Hayden-Rhodes Aqueduct, about 24 miles northeast of Phoenix, Arizona.

Construction period

1975-1978  

Description:

Prestressed concrete pipe

Length

1.6 mi  

Diameter

21 ft  

Capacity

3,000 cfs  


Gila River Siphon - Fannin-McFarland Aqueduct

Location

Under the Gila River along the Fannin-McFarland Aqueduct.

Construction period

  

Description:

Prestressed concrete pipe

Length

0.6 mi  

Diameter

19 ft  

Capacity

2,800 cfs  


Interstate Highway Siphon - Tucson Aqueduct

Location

Under Interstate 10 along the Tucson Aqueduct.

Construction period

  

Description:

Prestressed concrete pipe

Length

1.6 mi  

Diameter

 

   Inlet

13 ft  

   Outlet

11 ft  

Capacity

621 cfs  


Paradise Valley Flood Detention Dike - Hayden-Rhodes Aqueduct

Type:

Earthfill

Location

In Reach 11 of the Hayden-Rhodes Aqueduct, about 14 miles north of Phoenix, Arizona.

Construction period

1974-1976  

Dimensions:

 

   Maximum structural height

47 ft  

   Top width

14 ft  

   Crest length

16 mi  

   Crest elevation

1,542.0 - 1,547.0  - 1553.0 ft  

   Slope

1.5:1 to 4:1  

   Volume

8,129,600 yd3  


Pumping Plants

Designation

Number of units

Total capacity, cfs

Total dynamic head, ft

Total horsepower

Hayden-Rhodes Aqueduct

       

   Mark Wilmer

  6

3,000

824

360,000

   Bouse Hills

10

3,000

118

  54,000

   Little Harquahala

10

3,000

115

  54,000

   Hassayampa

10

3,000

194

  54,000

Waddell Pump/Generating Plant

       

   Adjustable speed pumps

4

1,900

192

  43,200

   Pump/Generators

4

2,100

192

  56,400

Fannin-McFarland Aqueduct

       

   Salt-Gila

10

2,800

  86

    32,800

Tucson Aqueduct

       

   Brady

  8

1,240

148

  28,000

   Picacho

  6

   930

232

  33,000

   Red Rock

  5

   775

232

  27,500

   Twin Peaks

  6

   621

  84

    8,100

   Sandario

  6

   621

  86

    8,100

   Brawley

  5

   580

229

  20,500

   San Xavier

  5

   580

172

  20,500

   Snyder Hill

  9

   410

293

  24,300

   Black Mountain

  5

   200

397

  14,000

 

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