Navajo Indian Irrigation Project Engineering Data


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Navajo Indian Irrigation Project
Engineering Data

Navajo Indian Irrigation Project - Main Page

Facilities in Operation

Storage Dams	2
Diversion Facilities	1
Canals	72 mi
Main Canal
Gravity Main Canal
Amarillo Canal
Laterals - 340 mi. closed, 40.6 open	380.6 mi
Irrigation Distribution System	8 blocks
Pumping Plants	2
Booster Pumping Plants	79
Powerplants	1
Transmission Lines	162 mi
Substations	2

Storage Facilities

Cutter Dam - Owned and Operated by the Bureau of Indian Affairs
Navajo Dam

Diversion Facilities

Navajo Dam Diversion Works - Main Canal Headworks

Carriage Facilities

Main Canal

Location	Originates at Navajo Dam and terminates at the west fork of Gallegos Canyon.
Construction period	1967-1977
Length	46.30 mi
Lined open canal	25.75 mi
Unlined open canal	0.60 mi
Tunnels	11.51 mi
Siphons	7.35 mi
Flume	0.09 mi
Cutter Reservoir	0.90 mi
Capacity	1,800 cfs

Tunnel No. 1 - Mile Post 0.00-2.01

Type	Comcrete circular section
Year completed	1967
Length	2.01 mi
Inside diameter	18 ft
Method of construction	Hughes boring machine
Capacity	1,800 cfs

Flume - Mile Post 2.01-2.10

Type	Reinforced concrete
Year completed	1967
Length	0.09 mi
Typical section
Width	35.0 ft
Height	9.0 ft
Water depth	6.91 ft
Capacity	1,800 cfs

Gobernador Siphon - Mile Post 2.10-2.40

Type	Monolithic concrete section
Year completed	1969
Length of siphon barrel	0.30 mi
Inside diameter	17.5 ft
Thickness of pipe	19 in
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 2.40-2.50

Type	Trapezoidal section
Year completed	1969
Length	0.10 mi
Typical section
Bottom width	23 ft
Height to top of lining	13.70 ft
Height to O&M road	15.75 ft
Side slopes	1.5:1
Water depth	11.81 ft
Type of lining	Concrete
Lining thickness
Unreinforced	4.0 in
Reinforced	3.5 in
O&M roads	2
Width	20 ft
Slope	0.0001
Capacity	1,800 cfs

Tunnel No. 2 - Mile Post 2.50-7.40

Type	Concrete horseshoe section
Year completed	1968
Length	4.90 mi
Inside diameter	17.5 ft
Method of construction	Conventional
Capacity	1,800 cfs

Unlined Canal Section - Mile Post 7.40-8.00

Type	Trapezoidal section
Year completed	1968
Length	0.60 mi
Typical section
Bottom width	20 ft
Side slopes	1.25:1 and 1.5:1
Water depth	14.85 ft
Slope	0.00023 and 0.00019
Capacity	1,800 cfs

Cutter Dam and Reservoir - Mile Post 8.00-8.90

Type	Earth and rockfill dam
Year completed	1972
Length of reservoir	0.90 mi
Diversion capacity	1,800 cfs

M. P. 8.9 Siphon - Mile Post 8.90-9.40

Type	Monolithic concrete section
Year completed	1969
Length of siphon	0.50 mi
Inside diameter	17.5 ft
Thickness of pipe wall	19 in
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 9.40-10.60

Type	Trapezoidal section
Year completed	1969
Length	1.20 mi
Typical section	See Section No. 1 above
Capacity	1,800 cfs

Largo Siphon - Mile Post 10.60-12.25

Type	Monolithic concrete section
Year completed	1969
Length	1.65 mi
Inside diameter of pipe	17.5 ft
Length without steel liner	793.5 ft
Length with steel liner	7,428.5 ft
Thickness of pipe wall	19 in
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 12.25-13.60

Type	Trapezoidal section
Year completed
Mile Post 12.25-13.40	1969
Mile Post 13.40-13.60	1974
Length	1.35 mi
Typical section	See Section No. 1 above
Capacity	1,800 cfs

Tunnel No. 3 - Mile Post 13.60-16.60

Type	Concrete circular section
Year completed	1974
Length	3.00 mi
Inside diameter	18.0 ft
Method of construction	Dresser boring machine
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 16.60-16.70

Type	Trapezoidal section
Year completed	1974
Length	0.10 mi
Typical section	See Section No. 1 above
Capacity	1,800 cfs

M. P. 16.7 Siphon - Mile Post 16.70-16.80

Type	Monolithic concrete section
Year completed	1971
Length	0.10 mi
Inside diameter of pipe	17.5 ft
Thickness of pipe wall	19 in
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 16.80-17.90

Type	Trapezoidal section
Year completed	1971
Length	1.10 mi
Typical section	See Section No. 1 above
Capacity	1,800 cfs

M. P. 17.9 Siphon - Mile Post 17.90-18.00

Type	Monolithic concrete section
Year completed	1971
Length	0.10 mi
Inside diameter of pipe	17.5 ft
Thickness of pipe wall	19 in
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 18.00-18.60

Type	Trapezoidal section
Year completed	1971
Length	0.60 mi
Typical section	See Section No. 1 above
Capacity	1,800 cfs

Tunnel No. 3A - Mile Post 18.90-19.20

Type	Concrete circular section
Year completed	1971
Length	0.60 mi
Inside diameter	18.0 ft
Method of construction	Dresser boring machine
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 19.20-20.20

Type	Trapezoidal section
Year completed	1971
Length	1.00 mi
Typical section	See Section No. 1 above
Capacity	1,800 cfs

Armenta Siphon - Mile Post 20.20-20.90

Type	Cylinder prestressed concrete pipe
Year conpleted	1975
Length	0.70 mi
Inside diameter of pipe	17.5 ft
Thickness of pipe wall
Maximum	18.75 in
Minimum	14.50 in
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 20.90-23.10

Type	Trapezoidal section
Year completed	1975
Length	2.20 mi
Typical section	See Section No. 1 above
Capacity	1,800 cfs

Tunnel No. 4 - Mile Post 23.10-24.10

Type	Concrete horseshoe section
Year completed	1975
Length	1.00 mi
Inside diameter	17.5 ft
Method of construction	Conventional
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 24.10-26.40

Type	Trapezoidal section
Year completed	1975
Length	2.30 mi
Typical section	See Section No. 1 above
Capacity	1,800 cfs

Kutz Siphon - Mile Post 26.40-27.60

Type	Cylinder prestressed concrete pipe
Year completed	1975
Length	1.20 mi
Inside diameter of pipe	17.5 ft
Thickness of pipe wall
Maximum	18.75 in
Minimum	14.50 in
Capacity	1,800 cfs

Lined Canal Section No. 1 - Mile Post 27.60-29.40

Type	Trapezoidal section
Year completed	1975
Length	1.80 mi
Typical section	See Section No. 1 above
Capacity	1,800 cfs

West Kutz Siphon - Mile Post 29.40-30.10

Type	Cylinder prestressed concrete pipe
Year completed	1975
Length	0.70 mi
Inside diameter of pipe	17.5 ft
Thickness of pipe wall
Maximum	18.75 in
Minimum	14.50 in
Capacity	1,625 cfs

Lined Canal Section No. 2 - Mile Post 30.10-30.70

Type	Trapezoidal section
Year completed	1975
Length	0.60 mi
Typical section
Bottom width	21 ft
Height to top of lining	13.5 ft
Height to O&M road	15.5 ft
Side slopes	1.5:1
Water depth	11.58 ft
Type of lining	Concrete
Lining thickness
Unreinforced	4.0 in
Reinforced	3.5 in
O&M roads	2
Width	20 ft
Slope	0.0001
Capacity	1,625 cfs

State Highway 44 Crossing Tunnel - Mile Post 30.70-30.80

Type	Concrete circular section
Year completed	1975
Length	0.10 mi
Inside diameter	18.0 ft
Method of construction	Conventional
Capacity	1,625 cfs

Lined Canal Section No. 2 - Mile Post 30.80-31.40

Type	Trapezoidal section
Year completed	1975
Length	0.60 mi
Typical section	See Section No. 2 above
Capacity	1,625 cfs

Horn Siphon - Mile Post 31.40-31.90

Type	Cylinder prestressed concrete pipe
Year completed	1975
Length	0.50 mi
Inside diameter of pipe	17.5 ft
Thickness of pipe wall
Maximum	18.75 in
Minimum	14.50 in
Capacity	1,625 cfs

Lined Canal Section No. 2 - Mile Post 31.90-36.30

Type	Trapezoidal section
Year completed
M. P. 31.9-32.8	1975
M. P. 32.8-36.3	1976
Length	4.40 mi
Typical section	See Section No. 2 above
O&M roads	2
Width
M. P. 31.9-33.1	20 ft
M.P. 33.1-36.3	16 ft
Capacity	1,625 cfs

Lined Canal Section No. 3 - Mile Post 36.30-42.50

Type	Trapezoidal section
Year completed	1976
Length	6.20 mi
Typical section
Bottom width	20 ft
Height to top of lining	13.25 ft
Height to O&M road	15.20 ft
Side slopes	1.5:1
Water depth	11.31 ft
Type of lining	Concrete
Thickness of lining
Unreinforced	4.0 in
Reinforced	3.5 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	1,500 cfs

East Gallegos Siphon - Mile Post 42.50-43.60

Type	Cylinder prestressed or monolithtc concrete pipe
Year completed	1977
Length	1.10 mi
Inside diameter of pipe	15.75 ft
Capacity	1,355 cfs

Lined Canal Section No. 4 - Mile Post 43.60-45.80

Type	Trapezoidal section
Year completed	1977
Length	2.20 mi
Typical section
Bottom width	18.0 ft
Height to top of lining	13.00 ft
Height to O&M road	15.00 ft
Side slopes	1.5:1
Water depth	11.15 ft
Type of lining	Concrete
Thickness of lining
Unreinforced	4.0 in
Reinforced	3.5 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	1,355 cfs

West Gallegos Siphon - Mile Post 45.80-46.20

Type	Cylinder prestressed or monolithic concrete pipe
Year completed	1977
Length	0.40 mi
Inside diameter of pipe	15.75 ft
Capacity	1,285 cfs

Lined Canal Section No. 5 - Mile Post 46.20-46.30

Type	Trapezoidal section
Year completed	1977
Length	0.10 mi
Typical section
Bottom width	18.0 ft
Height to top of lining	12.50 ft
Height to O&M road	14.50 ft
Side slopes	1.5:1
Water depth	10.86 ft
Type of lining	Concrete
Thickness of lining
Unreinforced	4.0 in
Reinforced	3.0 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	1,285 cfs

Gravity Main Canal

Location	Begins at West Fork of Gallegos Canyon and terminates at Block 2
Construction period	1976-1977
Length	14.5 mi
Concrete lined open canal	12.5 mi
Tunnel	1.4 mi
Siphons	0.3 mi
Diversion capacity	1,285 cfs

Lined Canal Section No. 1 - Mile Post 0.00-0.70

Type	Trapezoidal section
Year completed	1977
Length	0.70 mi
Typical section
Bottom width	18.0 ft
Height to top of lining	12.50 ft
Height to O&M roads	14.50 ft
Side slopes	1.5:1
Water depth	10.86 ft
Type of lining	Concrete
Lining thickness
Unreinforced	4.0 in
Reinforced	3.0 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	1,285 cfs

Lined Canal Section No. 2 - Mile Post 0.70-5.40

Type	Trapezoidal section
Year completed	1977
Length	4.70 mi
Typical section
Bottom width	12.0 ft
Height to top of lining	10.50 ft
Height to O&M roads	12.20 ft
Side slopes	1.5:1
Water depth	8.94 ft
Type of lining	Concrete
Lining thickness
Unreinforced	4.0 in
Reinforced	3.0 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	670 cfs

State Highway 371 Siphon - Mile Post 5.40-5.50

Type	Reinforced concrete box
Year completed	1977
Length	0.10 mi
Inside size	11 ft by 11 ft
Capacity	670 cfs

Lined Canal Section No. 2 - Mile Post 5.50-7.20

Type	Trapezoidal section
Year completed	1977
Length	1.70 mi
Typical section	See Section No. 2 above
Capacity	670 cfs

Tunnel No. 5 - Mile Post 7.20-8.60

Type	Concrete circular section
Year completed	1977
Length	1.40 mi
Inside diameter	10.5 ft
Method of construction	Scott boring machine
Capacity	610 cfs

Lined Canal Section No. 3 - Mile Post 8.60-9.60

Type	Trapezoidal section
Year completed	1977
Length	1.00 mi
Typical section
Bottom width	10.0 ft
Height to top of lining	10.25 ft
Height to O&M roads	12.10 ft
Side slopes	1.5:1
Water depth	8.98 ft
Type of lining	Concrete
Lining thickness
Unreinforced	4.0 in
Reinforced	3.0 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	610 cfs

Lined Canal Section No. 4 - Mile Post 9.60-11.60

Type	Trapezoidal section
Year completed	1977
Length	2.00 mi
Typical section
Bottom width	7.0 ft
Height to top of lining	7.00 ft
Height to O&M roads	8.40 ft
Side slopes	1.5:1
Water depth	5.96 ft
Type of lining	Concrete
Lining thickness
Unreinforced	3.5 in
Reinforced	2.5 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	225 cfs

Road 4060 Siphon - Mile Post 11.60-11.70

Type	Reinforced concrete box
Year completed	1977
Length	0.10 mi
Inside size	7 ft by 7 ft
Capacity	225 cfs

Lined Canal Section No. 4 - Mile Post 11.70-13.40

Type	Trapezoidal section
Year completed	1977
Length	1.70 mi
Typical section	See Section No. 4 above
Capacity	225 cfs

Highway No. 3003 Siphon - Mile Post 13.40-13.50

Type	Reinforced concrete box
Year completed	1977
Length	0.10 mi
Inside size	7 ft by 7 ft
Capacity	225 cfs

Lined Canal Section No. 4 - Mile Post 13.50-14.20

Type	Trapezoidal section
Year completed	1977
Length	0.70 mi
Typical section	See Section No. 4 above
Capacity	225 cfs

Amarillo Canal

Location	Branches off the Gravity Main Canal at Amarillo Canyon and terminates in Block 3.
Construction period	1977-1978
Length	11.4 mi
Lined open canals	11.3 mi
Siphon	0.10 mi
Diversion capacity	610 cfs

Lined Canal Section No. 1 - Mile Post 0.00

Type	Trapezoidal section
Year completed	1978
Length	0.10 mi
Typical section
Bottom width	10.0 ft
Height to top of lining	10.25 ft
Height to O&M roads	12.10 ft
Side slopes	1.5:1
Water depth	8.98 ft
Type of lining	Concrete
Thickness of lining, reinforced	4 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	610 cfs

Highway 371 Siphon - Mile Post 0.00-0.10

Type	Reinforced concrete box
Year completed	1978
Length	0.10 mi
Inside size	8.5 ft by 6 ft
Capacity	390 cfs

Lined Canal Section No. 2 - Mile Post 0.10-0.90

Type	Trapezoidal section
Year completed	1978
Length	0.80 mi
Typical section
Bottom width	8.0 ft
Height to top of lining	8.80 ft
Height to O&M roads	10.50 ft
Side slopes	1.5:1
Water depth	7.70 ft
Type of lining	Concrete
Lining thickness
Unreinforced	3.5 in
Reinforced	2.5 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	390 cfs

Lined Canal Section No. 3 - Mile Post 0.90-4.70

Type	Trapezoidal section
Year completed	1978
Length	3.80 mi
Typical section
Bottom width	8.0 ft
Height to top of lining	8.10 ft
Height to O&M roads	9.70 ft
Side slopes	1.5:1
Water depth	7.05 ft
Type of lining	Concrete
Lining thickness
Unreinforced	3.5 in
Reinforced	2.5 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	345 cfs

Lined Canal Section No. 4 - Mile Post 4.70-7.70

Type	Trapezoidal section
Year completed	1978
Length	3.00 mi
Typical section
Bottom width	6.0 ft
Height to top of lining	6.60 ft
Height to O&M roads	8.10 ft
Side slopes	1.5:1
Water depth	5.72 ft
Type of lining	Concrete
Lining thickness
Unreinforced	3.5 in
Reinforced	2.5 in
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	190 cfs

Lined Canal Section No. 4A - Mile Post 7.70-8.30

Type	Trapezoidal section
Year completed	1978
Length	0.60 mi
Typical section
Bottom width	10.5 ft
Height to top of lining	6.60 ft
Height to O&M roads	8.10 ft
Side slopes	2:1
Water depth	5.72 ft
Type of lining	10 mil Plastic membrane (polyethylene)
O&M roads	2
Width	16 ft
Slope	0.0001
Capacity	190 cfs

Lined Canal Section No. 5 - Mile Post 8.30-10.80

Type	Trapezoidal section
Year completed	1978
Length	2.50 mi
Typical section
Bottom width	5.0 ft
Height to top of lining	5.25 ft
Height to O&M roads	6.70 ft
Side slopes	1.5:1
Water depth	4.40 ft
Type of lining	Concrete
Lining thickness
Unreinforced	3.5 in
Reinforced	2.5 in
O&M roads	2
Width	16 ft
Slope	0.0003
Capacity	170 cfs

Lined Canal Section No. 5A - Mile Post 10.80-11.40

Type	Trapezoidal section
Year completed	1978
Length	0.60 mi
Typical section
Bottom width	10.75 ft
Height to top of lining	5.25 ft
Height to O&M roads	6.70 ft
Side slopes	2:1
Water depth	4.40 ft
Type of lining	10 mil Plastic membrane (polyvinyl chloride)
O&M roads	2
Width	16 ft
Slope	0.00025
Capacity	170 cfs

Burnham Lateral West

Location	Begins at Gallegos Pumping Plant at the Main Canal at West Gallegos Canyon and terminates in Block 11.
Construction period	1982-1994
Length	3.70 mi
Typical section in concrete:
Bottom width	14 ft
Height to top of lining	9.75 ft
Height to O&M roads	10.50 ft
Side slopes	2:1
Water depth	9.85 ft
Type of lining	Concrete
Lining thickness
Unreinforced	3.5 in
Reinforced	2.5 in
O&M roads	2
Width	16 ft
Slope	Flat
Capacity	320 cfs

Coury Lateral

Location	Begins at Kutz Pumping Plant on the Main Canal and ends in Block 5.
Construction period	1979-1982
Length	4.1 mi
Typical section
Bottom width	6.0 ft
Height to top of lining	7.60 ft
Height to O&M roads	9.10 ft
Side slopes	1.5:1
Water depth	5.80 ft
Type of lining	Concrete
Lining thickness
Unreinforced	3.5 in
Reinforced	2.5 in
O&M roads	2
Width	16 ft
Slope	Flat
Capacity	200 cfs

Irrigation Distribution System

Block 1 Facilities

Date completed	1976
Pipeline, 6 to 36 inch pipe diameter	19.5 mi
Multi-unit pumping plants, natural gas powered	5
Single-unit pumping plants, natural gas powered	11
Required installed horsepower	3,700
Elevated tanks	5
33.3R
Capacity	30,000 gal
Height	159 ft
34.9R
Capacity	30,000 gal
Height	74 ft
36.3R
Capacity	50,000 gal
Height	159 ft
38.8R
Capacity	100,000 gal
Height	100 ft
40.3R