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Palo Verde Diversion Project - Main Page
Facilities in Operation
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Diversion Dam |
1 |
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Levees |
3 |
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Drain |
1 |
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Diversion Facilities
Palo Verde Diversion Dam
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Type: |
Concrete ogee gated weir, embankment wing |
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Location |
On the Colorado River, 9 miles north of Blythe, California. |
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Year Completed |
1957 |
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Dimensions: |
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Structure height |
50 ft |
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Hydraulic height |
46 ft |
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Weir crest length |
150 ft |
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Weir crest width |
20 ft |
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Total length1 |
1,300 ft |
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Weir crest elevation |
259.0 ft |
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Crest elevation |
296.0 ft |
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Volume |
157,000 yd3 |
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Spillway: |
Concrete gate structure, three 50 by 24.91 ft radial gates. |
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Headworks: |
Concrete, four 8 by 12 ft radial gates. |
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Diversion capacity |
1,800 cfs |
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1 Total length of dam and spillway is about 1,850 feet |
Levees
California Levee
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Type: |
Earth embankment |
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Location |
On the California side of the Colorado River about 2 miles downstream from San Bernardino-Riverside County line. |
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Construction period |
1958 |
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Length |
1.14 mi |
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Dimensions: |
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Top width |
20 ft |
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Side slopes: |
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River Side |
2:1 |
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Land side |
1.5:1 |
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Volume of embankment |
26,076 yd3 |
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Volume of gravel blanket |
646 yd3 |
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Area protected: |
acres |
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Design flood |
75,000 cfs |
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Upper Arizona Levee
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Type: |
Earth embankment and rock riprap |
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Location |
Extends upstream for about 8 miles from the end of the Colorado River Indian Reservation Main Canal. |
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Construction period |
1956-1958 |
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Length |
8 mi |
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Dimensions: |
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Top width |
20 ft |
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Side slopes: |
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River Side |
2:1 |
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Land side |
1.5:1 |
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Volume of embankment |
91,022 yd3 |
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Volume of gravel blanket |
14,812 yd3 |
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Selected surfacing |
16,859 yd3 |
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Area protected: |
Colorado River Indian Reservation lands. |
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Design flood |
75,000 cfs |
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Lower Arizona Levee
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Type: |
Earth embankment and rock riprap |
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Location |
Extends 21 miles upstream on the Arizona side of the river from the left abutment of Palo Verde Diversion Dam to near the end of the Main Canal. |
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Construction period |
1956-1958 |
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Length |
21 mi |
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Dimensions: |
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Top width |
20 ft |
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Side slopes: |
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River Side |
2:1 |
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Land side |
1.5:1 |
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Volume of embankment |
1,051,767 yd3 |
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Volume of gravel blanket |
1,007 yd3 |
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Volume of riprap |
57,066 yd3 |
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Selected surfacing |
44,242 yd3 |
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Area protected: |
Colorado River Indian Reservation lands. |
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Design flood |
75,000 cfs |
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Length of levee road |
21 mi |
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Drain
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Location |
On the land side of the Lower Arizona Levee, parallel to the levee except for the last mile where it diverges and ends at a point in the Colorado River approximately 2,000 feet downstream. |
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Construction period |
1956 |
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Length |
21 mi |
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Capacity |
30-128 cfs |
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Typical section: |
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Bottom width, variable |
10-20 ft |
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Side slopes |
2:1 |
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Water table slope |
0.00076 |
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Depth to water table
below average ground surface |
5.5 ft |
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Volume - excavation |
1,045,503 yd3 |
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Number of drainage structures |
6 |
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