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Yuma Project - Main Page
Facilities in Operation
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Diversion Dams |
1 |
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Canals |
53 mi |
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Laterals |
218 mi |
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Pumping Plants |
1 |
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Drainage wells with pumps |
16 |
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Drainage sump pumps |
2 |
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Substations |
2 |
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Diversion Facilities
Laguna Diversion Dam - No longer in active service
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Type: |
Rockfill weir, concrete surfaced |
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Location |
On the Colorado River, 13 miles northeast of Yuma, Arizona. |
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Year Completed |
1905. Modified in 1923-1924 |
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Dimensions: |
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Structural height |
43 ft |
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Hydraulic height |
10 ft |
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Weir crest length |
4,780 ft |
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Crest elevation |
151.0 ft |
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Volume |
486,800 yd3 |
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Headworks |
The California and Arizona headworks structures, located in the abutments, are similar in size, each consisting of concrete-lined desilting basin and sluiceway channel; broad-crested concrete weir structure (canal inlet) with flashboards and operating bridge, and concrete sluiceway gate structure. |
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Carriage Facilities - Valley Division
Yuma Main Canal
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Location |
From the All-American Canal at Siphon Drop Powerplant, south to the California Wasteway. |
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Construction period |
1907-1909 |
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Length |
3.5 mi |
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Diversion capacity |
2,000 cfs |
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Typical section in earth: |
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Bottom width |
50 ft |
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Side slopes |
1.25:1 |
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Water depth |
9 ft |
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West Main Canal
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Location |
From Yuma Main Canal at Yuma, Arizona, generally south along the Colorado River to the Mexican border. |
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Construction period |
1907-1909 |
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Length |
21.4 mi |
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Diversion capacity |
500 cfs |
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Typical section in earth: |
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Bottom width |
20 ft |
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Side slopes |
1.25:1 |
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Water depth |
5.6 ft |
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Typical section, concrete lined: |
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Bottom width |
5 ft |
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Side slopes |
1.25:1 |
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Water depth |
3.3 ft |
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Lining thickness |
1.5 in |
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Length |
0.9 mi |
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Central Canal
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Location |
From a point on the Yuma Main Canal near Yuma, Arizona, generally southwest. |
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Construction period |
1907-1909 |
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Length |
12.4 mi |
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Diversion capacity |
200 cfs |
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Typical section in earth: |
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Bottom width |
20 ft |
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Side slopes |
1.25:1 |
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Water depth |
4.7 ft |
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East Main Canal
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Location |
From the Colorado River Siphon south and southwest to the Mexican border. |
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Construction period |
1907-1909 |
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Length |
24 mi |
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Diversion capacity |
450 cfs |
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Typical section in earth: |
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Bottom width |
25 ft |
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Side slopes |
1.25:1 |
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Water depth |
5 ft |
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Carriage Facilities - Reservation Division
Reservation Main Canal
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Location |
From the All-American Canal at the Reservation Main turnout, southwest to Cocopah Lateral No. 4. |
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Construction period |
1907-1909 |
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Length |
3.25 mi |
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Diversion capacity |
220 cfs |
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Mohave Canal
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Location |
From the Reservation Main Canal to the Vomical Lateral near the southwestern boundary of the Bard Unit. |
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Construction period |
1908-1910 |
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Length |
2.79 mi |
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Diversion capacity |
40 cfs |
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Cocopah Canal
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Location |
From Cocopah Lateral No. 4 to the Cocopah Wasteway. |
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Construction period |
1908-1910 |
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Length |
6.19 mi |
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Diversion capacity |
80 cfs |
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Walapai Canal
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Location |
From the Siphon Drop Powerplant to the Ottowa Lateral north of Winterhaven. |
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Construction period |
1908-1910 |
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Length |
1.93 mi |
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Diversion capacity |
48 cfs |
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Pumping Plants
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Designation |
Number of units |
Total capacity, cfs |
Total dynamic head, ft |
Total horsepower |
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Boundary - current |
2 |
133.6 |
12 |
575 |
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Boundary - original |
1 |
66.8 |
12 |
287 |
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Boundary - original |
1 |
44.6 |
8 |
120 |
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Gardenhire Drain |
2 |
9 |
7 |
25 |
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Drainage Well |
16 |
65 |
30-50 |
30-150 |
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Power Facilities
Siphon Drop Powerplant
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