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Grand Valley Project - Main Page
Facilities in Operation
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Diversion Dams |
1 |
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Canals |
90.1 mi |
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Laterals |
166 mi |
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Pumping Plants |
2 |
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Drains |
112 mi |
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Powerplants |
1 |
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Diversion Facilities
Grand Valley Diversion Dam
Carriage Facilities
Government High Line Canal
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Location |
From Grand Valley Diversion Dam southwest about 20 miles along the Colorado River to vicinity of Grand Junction, Colorado, then generally northwest about 35 miles. |
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Construction period |
1912-1917 |
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Length |
55 mi |
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Diversion capacity |
1,675 cfs |
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Typical section in earth: |
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Bottom width |
38 ft |
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Side slopes |
1.5:1 |
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Water depth |
10.5 ft |
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Typical section, concrete lined: |
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Bottom width |
34 ft |
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Side slopes |
2:1 |
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Water depth |
10.5 ft |
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Lining thickness |
4 in |
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Tunnel No. 1 - Government High Line Canal
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Location |
Near the Colorado River 2 miles south of Grand Valley Diversion Dam. |
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Construction period |
1912-1914 |
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Length |
3,723 ft |
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Diversion capacity |
1,675 cfs |
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Cross section: |
Horseshoe |
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Height |
14 ft |
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Width |
17.5 ft |
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Lining |
Concrete |
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Tunnel No. 2 - Government High Line Canal
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Location |
Near the Colorado River 4 miles south of Grand Valley Diversion Dam. |
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Construction period |
1912-1914 |
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Length |
1,655 ft |
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Diversion capacity |
1,675 cfs |
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Cross section: |
Horseshoe |
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Height |
14 ft |
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Width |
16 ft |
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Lining: |
Concrete |
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Tunnel No. 3 - Government High Line Canal
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Location |
Near the Colorado River 5 miles south of Grand Valley Diversion Dam. |
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Construction period |
1913-1915
Bypass bore constructed around collapsed section in 1950 |
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Length |
7,486 ft |
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Diversion capacity |
730 cfs |
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Cross section: |
Horseshoe |
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Height |
11 ft |
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Width |
11.5 ft |
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Lining: |
Concrete |
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Thickness: |
4 in |
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Orchard Mesa Power Canal
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Location |
From Government High Line Canal between Tunnels No. 2 and 3 across river through Orchard Mesa Siphon and generally south to Grand Valley Powerplant and Orchard Mesa Pumping Plant. |
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Construction period |
1922-1924 |
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Length |
3.5 mi |
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Diversion capacity |
800 cfs |
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Typical section, open canal: |
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Bottom width |
20 ft |
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Side slopes |
1:1 |
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Water depth |
9.8 ft |
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Lining thickness |
4 in |
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Typical section, bench flume: |
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Bottom width |
17 ft |
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Side slopes |
0:1 |
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Water depth |
6.6 ft |
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Wall thickness |
4 in |
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Top |
6 in |
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Bottom |
9 in |
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Typical section, cut and cover conduit: |
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Bottom width |
11 ft |
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Height |
11.4 ft |
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Side slopes |
0:1 |
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Water depth |
10.3 ft |
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Concrete thickness: |
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Bottom |
10 in |
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Sidewall |
9 in |
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Mann's Gulch Siphon - Orchard Mesa Power Canal
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Type |
Reinforced monolithic concrete |
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Location |
Station 57+87 on the canal, about 1.5 miles east of Palisade, Colorado |
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Length |
193 ft |
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Diversion capacity |
800 cfs |
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Cross section: |
Circular |
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Diameter |
12 ft |
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Applegate Draw Siphon and Wasteway - Orchard Mesa Power Canal
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Type |
Twin-barrel reinforced monolithic concrete |
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Location |
Station 138+14 on the canal, about 0.5 miles southeast of Palisade, Colorado |
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Length |
140 ft |
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Diversion capacity |
800 cfs |
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Orchard Mesa Canal No. 1
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Location |
From Orchard Mesa Pumping Plant, about 0.5 mile south of Palisade, Colorado, southwesterly to a point about 1 mile south of Grand Junction, Colorado. |
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Length |
15.5 mi |
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Diversion capacity |
85 cfs |
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Typical section in earth |
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Bottom width |
8 ft |
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Side slopes |
1.5:1 |
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Water depth |
3.1 ft |
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Big Wash Siphon - Orchard Mesa Canal No. 1
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Type |
Precast concrete pipe |
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Location |
Station 3+18.4 on the canal. |
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Length |
780.6 ft |
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Capacity |
80 cfs |
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Cross section |
Circular |
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Diameter |
4.5 ft |
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Steel Siphon - Orchard Mesa Canal No. 1
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Type |
Riveted plate steel |
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Location |
Station 4+50 on the canal |
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Length |
1,321.5 ft |
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Capacity |
80 cfs |
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Cross section |
Circular |
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Diameter |
4.5 ft |
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Double Wash Siphon No. 1 - Orchard Mesa Canal No. 1
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Type |
Precast concrete pipe |
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Location |
Station 346+62 on the canal |
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Length |
375.5 ft |
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Capacity |
80 cfs |
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Cross section |
Circular |
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Diameter |
4.5 ft |
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Double Wash Siphon No. 2 - Orchard Mesa Canal No. 1
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Type |
Precast concrete pipe |
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Location |
Station 356+44 on the canal |
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Length |
503 ft |
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Capacity |
80 cfs |
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Cross section |
Circular |
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Diameter |
4.5 ft |
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Concrete Siphon - Orchard Mesa Canal No. 1
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Type |
Precast concrete pipe |
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Location |
Station 8+16 on the canal |
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Length |
737.8 ft |
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Capacity |
14.3 cfs |
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Cross section |
Circular |
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Diameter |
1.75 ft |
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Orchard Mesa Canal No. 2
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Location |
From Orchard Mesa Pumping Plant, about 0.5 mile south of Palisade, Colorado, southwesterly to a point about 2.5 miles southeast of Grand Junction, Colorado. |
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Length |
16.1 mi |
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Diversion capacity |
65 cfs |
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Typical section in earth: |
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Bottom width |
7 ft |
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Side slopes |
1.5:1 |
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Water depth |
2.8 ft |
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Steel Siphon - Orchard Mesa Canal No. 2
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Type |
Riveted plate steel |
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Location |
Station 13+24 on the canal |
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Length |
426.5 ft |
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Capacity |
60 cfs |
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Cross section |
Circular |
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Diameter |
4 ft |
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Steel Siphon - Orchard Mesa Canal No. 2
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Type |
Riveted plate steel |
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Location |
Station 21+29 on the canal |
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Length |
319 ft |
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Capacity |
60 cfs |
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Cross section |
Circular |
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Diameter |
4 ft |
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Big Wash Siphon No. 1 - Orchard Mesa Canal No. 2
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Type |
Precast concrete pipe |
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Location |
Station 357+95 on the canal |
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Length |
491.7 ft |
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Capacity |
50 cfs |
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Cross section |
Circular |
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Diameter |
3.75 ft |
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Big Wash Siphon No. 2 - Orchard Mesa Canal No. 2
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Type |
Precast concrete pipe |
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Location |
Station 419+41 on the canal |
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Length |
2,817.1 ft |
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Capacity |
50 cfs |
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Cross section |
Circular |
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Diameter |
3.75 ft |
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Double Wash Siphon - Orchard Mesa Canal No. 2
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Type |
Reinforced monolithic concrete pipe |
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Location |
Station 501+23 on the canal |
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Length |
180 ft |
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Capacity |
50 cfs |
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Cross section |
Circular |
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Diameter |
3.75 ft |
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Concrete Siphon - Orchard Mesa Canal No. 2
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Type |
Reinforced monolithic concrete pipe |
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Location |
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Length |
500 ft |
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Capacity |
60 cfs |
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Cross section |
Circular |
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Diameter |
4 ft |
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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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Price-Stubb |
1 |
25 |
31 |
125 |
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Orchard Mesa |
4 |
140 |
41-130 |
1,500 |
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Power Facilities
Grand Valley Powerplant
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