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Huntley Project - Main Page
Facilities in Operation
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Storage Dams |
1 |
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Diversion Dams |
1 |
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Canals |
54 mi |
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Laterals |
202 mi |
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Pumping Plants |
6 |
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Drains |
186.5 mi |
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Storage Facilities
Anita Dam
Diversion Facilities
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Type: |
Concrete weir |
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Location |
On the Yellowstone River, about 2 miles southwest of Huntley, Montana. |
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Construction period: |
Completed in 1934. Rehabilitated in 1957. |
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Dimensions: |
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Structural height |
10.5 ft |
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Hydraulic height |
8 ft |
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Crest length |
325 ft |
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Weir crest length |
250 ft |
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Crest elevation |
3004.0 ft |
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Volume |
2,000 yd³ |
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Headworks: |
Concrete with two steel regulating gates, each 5 by 7 ft. |
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Diversion capacity |
600 cfs |
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1 Constructed by Huntley Project Irrigation District. Rehabilitated by Reclamation in 1957. |
Carriage Facilities
Main Canal
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Location: |
From Yellowstone River Diversion Dam near Huntley, Montana., generally northeast along south side of Yellowstone River to vicinity of Pompeys Pillar, Montana. |
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Construction period: |
1906-1908 |
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Length |
32.2 mi |
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Diversion capacity |
730 cfs |
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Typical section in earth: |
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Bottom width |
14.5 ft |
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Side slopes |
1.5:1 |
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Water depth |
7 ft |
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High Line Canal
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Location: |
From the High Line Pumping Plant on the Main Canal, extends down the river 6.2 miles to Anita Reservoir. |
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Construction period: |
1906-1908, 1917 |
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Length |
12 mi |
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Capacity |
100 cfs |
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Typical section in earth: |
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Bottom width |
4 ft |
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Side slopes |
1.5:1 |
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Water depth |
2 ft |
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High Line Extension Canal
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Location: |
Water is diverted from High Line Canal near the inlet to Anita Reservoir. Water flows through an inverted siphon across the toe of Anita Dam to serve lands on Fly Creek. |
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Construction period: |
1915-1917 |
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Length |
4.4 mi |
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Capacity |
24.8 cfs |
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Typical section in earth: |
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Bottom width |
4 ft |
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Side slopes |
1.5:1 |
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Water depth |
2.5 ft |
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Reservoir Line Canal
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Location: |
Water is released from Anita Reservoir to Reservoir Canal, which flows across Fly Creek to the vicinity of Pompeys Pillar, Montana |
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Construction period: |
1915-1917 |
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Length |
10 mi |
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Capacity |
30 cfs |
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Typical section in earth: |
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Bottom width |
4 ft |
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Side slopes |
1.5:1 |
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Water depth |
2 ft |
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Pumping Plants
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Designation |
Number of units |
Total
capacity |
Total dynamic head |
Total horsepower |
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High Line Canal |
22 |
100 cfs |
48.5 ft |
6203 |
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Auxiliary Power |
1 |
25 cfs |
-- |
150 |
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2 Vertical direct-connected turbine-driven centrifugal pump units. |
3 The 620-hp rating was for the two initial units. The 1946 replacements include two improved turbines operating with a 45-ft head and a normal capacity of 100 cfs total. |
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