Project details - Navajo Indian Irrigation Project

Full Irrigation Service - developed	70,000 acres
Full Irrigation Service - undeveloped	40,000 acres
Supplemental Service	0 acres
Temporary Irrigation Service	189 acres
Number of Irrigated Farms	---
Residential, Commercial, Industrial Lands	0 acres
Total Irrigable Lands	110,189 acres

Population Served:

Farm Population Served	---
Non-Farm Population Served	0
Total Population Served	---

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Area Irrigated and Crop Value

Year	Actual Area Irrigated (Acres)	Crop Value (Dollars)
1985	75	2,994
1986	189	1,890
1987	230	1,500
1988	189	2,016
1989	189	2,504
1990	126	1,452
1991	126	1,452
1992	189	2,340

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Project Water Supply

Current Conditions

Streamflow

San Juan River near Archuleta, New Mexico (USGS)

Streamflow Forecast Map

Spring and Summer (NRCS)

Snowpack Information

Mountain Snowpack Maps for Colorado, Rio Grande, and Arkansas Rivers

Drought Index

Palmer Drought Index Map

Annual Precipitation

Normal	10.30 in
Maximum - 1986	20.27 in
Minimum - 1976	6.41 in
Aztec Ruins NM, New Mexico 1961-1990

Temperature

Mean Annual	51.2 ?F
Daily Maximum - 08/04/1960	105 ?F
Daily Minimum - 02/08/1933	-27 ?F
Aztec Ruins NM, New Mexico 1914-1996
Growing Season	160 days
Elevation of irrigable area	5,372 - 6,236 ft

San Juan River

Drainage area above Navajo Dam	mi2
Annual Allocation from Navajo Dam	508,000 acre-ft

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Project Water Quality

Facilities in Operation

Storage Dams	2
Diversion Facilities	1
Canals	72 mi

	380.6 mi
	8 blocks
	2
Booster Pumping Plants	79
	1
Transmission Lines	162 mi
Substations	2

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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

Flume - Mile Post 2.01-2.10

Gobernador Siphon - Mile Post 2.10-2.40

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

Tunnel No. 2 - Mile Post 2.50-7.40

Unlined Canal Section - Mile Post 7.40-8.00

Cutter Dam

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

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

Largo Siphon - Mile Post 10.60-12.25

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

Tunnel No. 3 - Mile Post 13.60-16.60

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

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

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

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

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

Tunnel No. 3A - Mile Post 18.90-19.20

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

Armenta Siphon - Mile Post 20.20-20.90

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

Tunnel No. 4 - Mile Post 23.10-24.10

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

Kutz Siphon - Mile Post 26.40-27.60

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

West Kutz Siphon - Mile Post 29.40-30.10

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

State Highway 44 Crossing Tunnel - Mile Post 30.70-30.80

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

Horn Siphon - Mile Post 31.40-31.90

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

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

East Gallegos Siphon - Mile Post 42.50-43.60

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

West Gallegos Siphon - Mile Post 45.80-46.20

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

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

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

State Highway 371 Siphon - Mile Post 5.40-5.50

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

Tunnel No. 5 - Mile Post 7.20-8.60

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

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

Road 4060 Siphon - Mile Post 11.60-11.70

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

Highway No. 3003 Siphon - Mile Post 13.40-13.50

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

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

Highway 371 Siphon - Mile Post 0.00-0.10

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

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

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

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

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

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

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 road	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 road	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
Capacity	75,000 gal
Height	153 ft
Farm turnouts	56
Area served	8,872 acres

Block 2 Facilities

Year completed	1977
Pipeline, 6 to 84 inch diameter	39.2 mi
Pumping plants, natural gas powered	1
Required horsepower	658
Farm turnouts	78
Area served	9,516 acres

Block 3 Facilities

Year completed	1978
Pipeline, 6 to 72 inch diameter	32.7 mi
Pumping plants, natural gas powered	1
Required horsepower	428
Farm turnouts	70
Area served	8,455

Block 4 Facilities

Year completed	1979
Pipeline 6 to 48 inch diameter	29.0 mi
Pumping plants, electric motor powered	11
Required horsepower	14,734
Elevated tanks	4
36.3L
Capacity	200,000 gal
Height	131 ft
41.6LA
Capacity	300,000 gal
Height	171 ft
45.7LA
Capacity	350,000 gal
Height	142 ft
45.7LB
Capacity	250,000 gal
Height	83 ft
Farm turnouts	74
Area served	9,894 acres

Block 5 Facilities

Year completed	1981
Pipeline 6 to 42 inch diameter	23.8 mi
Concrete lined open lateral	4.0 mi
Pumping plants, electric motor powered	12
Required horsepower	6,968
Elevated tanks	3
C2.7L-1.5-0.8
Capacity	200,000gal
Height	158 ft
C4.4AH-2.3
Capacity	200,000 gal
Height	71 ft
C2.0R
Capacity	250,000 gal
Height	131 ft
34.5-kV distribution line	9.2 mi
Farm turnouts	54
Area served	9,662 acres

Block 6 Facilities

Year completed	1989
Pipeline, 6 to 36 inch diameter	15.9 mi
Pumping plants, electric motor powered	19
Required horsepower	7,250
Elevated tanks	2
7.5L
Capacity	125,000 gal
Height	183 ft
13.4R
Capacity	75,000 gal
Height	105 ft
Farm turnouts	46
Area served	8,095 acres

Block 7 Facilities

Year completed	1994
Pipeline, 8 to 42 inch diameter	15.7 mi
Pumping plants, electric motor powered	11
Required horsepower	6,442
Elevated tanks	3
A0.8L
Capacity	150,000 gal
Height	113 ft
A3.1R
Capacity	150,000 gal
Height	140 ft
A4.5R
Capacity	200,000 gal
Height	147 ft
Farm turnouts	46
Area served	9,387 acres

Block 8 Facilities

Year completed	Under construction
Pipeline, 6 to 48 inch diameter	37.7 mi
Pumping plants, electric motor powered	2
Required horsepower	6,165
Elevated tanks	3
B2.1R
Capacity	100,000 gal
Height	163 ft
B3.1C
Capacity	250,000 gal
Height	205 ft
B3.1AH
Capacity	250,000 gal
Height	114 ft
Farm turnouts	130
Area served	13,135 acres

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Pumping Plants

Designation	Number of units	Total capacity, cfs	Total dynamic head, ft	Total horsepower
Gallegos Pumping Plant	8	880	337	39,600
Kutz Pumping Plant	5	200	356	10,500
Booster Plants
Block 1
33.3R	4	14.8	170	---
34.9R	4	14.0	83	---
36.3R	4	21.8	169	---
38.8R	6	52.1	110	---
40.3R	5	30.0	161	---
1-7	1	2.62	165	---
108	1	3.88	145	---
1-10	1	1.89	147	---
1-15	1	2.62	129	---
1-19	1	1.68	173	---
1-26	1	1.26	159	---
1-33	1	3.67	155	---
1-41	1	3.67	146	---
1-51	1	3.99	167	---
1-54	1	2.00	158	---
1-55	1	3.26	156	---
Block 2
33.3R	4	30.4	137	---
Block 3
33.3R	3	24.5	126	---
Block 4
33.1L	3	5.99	329	365
33.8L	1	3.25	345	300
34.3L	2	5.25	260	250
36.3L	4	29.61	365	1,750
39.3L	2	7.04	311	350
41.6L-A	6	64.67	441	5,050
41.6L-B	2	5.68	18	50
41.6L-C	2	3.89	35	27.5
43.8L	2	4.62	288	225
45.7L-A	8	86.17	405	5,450
45.7L-B	6	54.21	273	2,500
Block 5
C0.9L	3	3.21	216	120
C0.9R	3	11.55	172	375
C1.2R	1	2.78	163	100
C2.0R	8	86.18	139	2,150
C2.4R	2	7.70	166	250
C2.7L	4	32.96	377	2,100
C2.9R	2	6.74	154	200
C3.2R	1	2.35	148	60
C4.4A	4	12.30	157-213	425
C4.4B	5	43.22	260	1,900
C4.4C	2	8.02	143	200
Block 6
G7.5L	8	87.93	344	4,900
G7.5L-C	2	6.00	63	70
G7.5L-E	8	32.38	69	360
G11.1L	2	3.67	169	110
G11.3L	2	3.88	155	105
G11.4R	1	1.99	233	75
G11.4L	1	2.31	181	75
G12.0R	1	0.63	167	20
G12.2L	1	1.05	190	40
G12.6L	1	1.47	148	40
G12.9L	1	1.05	174	40
G13.3L	6	38.76	170	1,200
G13.4R	3	14.06	361	900
G14.1R	1	1.78	197	60
G14.3L	1	0.94	162	30
A0.6R	2	2.31	179	80
A0.9R	1	1.36	148	40
A1.5R	1	3.15	156	100
A2.1R	1	6.40	169	200
Block 7
A0.8L	6	51.02	361	3,000
A3.1R	6	51.62	147	1,300
A3.2R	1	1.68	161	50
A3.7R	1	2.94	178	100
A4.2R	1	2.94	183	100
A4.5R	6	64.53	154	1,700
A4.9R	2	4.80	168	150
A5.4R	2	5.34	175	175
A5.9R	3	4.62	173	150
A6.4R	3	1.62	180	160
A6.9R	3	4.62	180	160
Block 8
B2.1R	5	37.76	170	1,000
B3.1AH	7	94.05	121	1,850
B3.1C	7	94.05	212	3,150
Block 9
B1.0L	4	22.22	246	900
B2.9L	5	52.73	410	3,150
B0.1R	5	52.73	190	1,650
B1.7L	4	22.22	150	600
B4.6L	5	52.73	190	1,650
B4.6R	4	14.40	320	1,600

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Power Facilities

Navajo Power Plant - Owned and operated by the City of Farmington, NM

Location	Adjacent to downstream toe of Navajo Dam
Year completed	1989
Capacity	23,000 kW
Units	2 @ 11.5 MW

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Last updated: May 11, 2011