Project details - Strawberry Valley Project

Full Irrigation Service	17,145 acres
Supplemental Service	25,033 acres
Temporary Irrigation Service	0 acres
Number of Irrigated Farms	2,088
Residential, Commercial, Industrial Lands	2,393 acres
Total Irrigable Lands	44,571 acres

Population Served:

Farm Population Served	8,908
Non-Farm Population Served	11,355
Total Population Served	20,263

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Area Irrigated and Crop Value

Year	Actual Area Irrigated (Acres)	Crop Value (Dollars)
1983	41,349	16,689,472
1984	41,342	15,006,758
1985	40,839	13,628,102
1986	40,747	11,552,877
1987	40,442	12,542,180
1988	40,542	13,433,502
1989	38,684	14,231,570
1990	38,525	11,247,251
1991	38,704	17,365,626
1992	38,617	17,432,131

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Project Water Supply

Current Conditions

Streamflow

Duchesne River near Randlett, Utah (USGS)
Spanish Fork River at Castilla, Utah (USGS)

Snowpack Information

Mountain Snowpack Maps for Great Basin and California

Drought Index

Palmer Drought Index Map

Annual Precipitation

Normal	11.99 in
Maximum - 1983	26.78 in
Minimum - 1988	6.91 in
Utah Lake - Lehi, Utah 1961-1990

Temperature

Mean Annual	48.6 ?F
Daily Maximum - 07/24/1931	106 ?F
Daily Minimum - 02/10/1933	-28 ?F
Utah Lake - Lehi, Utah 1928-1996
Growing Season	150 days
Elevation of irrigable area	4,500 - 4,800 ft

Strawberry River

Drainage area at Soldier Creek Dam

170 mi2

Spanish Fork River

Drainage area at Castilla, Utah

670 mi2

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Facilities in Operation

Storage Dams	2
Diversion Dams	2
Canals	91 mi
Laterals	251 mi
Tunnels	3
Drains	96 mi
Powerplants	3
Transmission Lines	42 mi

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Diversion Facilities

Spanish Fork Diversion Dam

Type:	Concrete ogee weir
Location	On the Spanish Fork River, about 5 miles southeast of Spanish Fork, Utah.
Year Completed	1908
Dimensions:
Structural height	28 ft
Hydraulic height	13 ft
Weir crest length	38 ft
Dikes:
Crest elevation	4,851.0 ft
Length	74 ft
Volume	1,000 yd3
Headworks:	Concrete structure with six 4.5 ft by 8 ft openings controlled by slide gates.
Diversion capacity	500 cfs

Indian Crossing Diversion Dam

Type:	Earth dike
Location	On Indian Creek, about 25 miles east of Spanish Fork, Utah.
Year Completed	1913
Dimensions:
Structural height	12 ft
Hydraulic height	5 ft
Crest length	1,350 ft
Crest elevation	7,577.0 ft
Volume	15,000 yd3
Headworks:	Concrete structure with six hand-operated slide gates.
Diversion capacity	750 cfs

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Carriage Facilities

Trail Hollow Canal

Location	From Trail Hollow Creek about 5 miles south of Indian Creek Dike, generally northwest to Indian Creek Feeder Canal.
Construction period	1911-1912
Length	4 mi
Diversion capacity	125 cfs
Typical section in earth:
Bottom width	12 ft
Side slopes	1:1 and 1.5:1
Water depth	3.25 ft

Indian Creek Feeder Canal

Location	From diversion dam on Indian Creek generally northeast to reservoir at a point near west end of Indian Creek Dike.
Construction period	1911-1912
Length	2 mi
Diversion capacity	750 cfs
Typical section in earth:
Bottom width	22 ft
Side slopes	1:1 and 1.5:1
Water depth	6.5 ft

Currant Creek Feeder Canal

Location	From Currant Creek about 14 miles north of east portal of Strawberry Tunnel, generally south to Co-op Creek.
Construction period	1934-1936
Length	4.7 mi
Diversion capacity	110 cfs
Typical section in earth:
Bottom width	8 ft
Side slopes	1.5:1
Water depth	3 ft

Strawberry Tunnel

Location	From Strawberry Reservoir west.
Construction period	1906-1912
Length	3.8 mi
Capacity	600 cfs
Cross section:	Rectangular with arched roof, 7 ft wide and 9 ft high.
Lining:	Concrete

Strawberry Power Canal

Location
From Spanish Fork Diversion Dam on Spanish Fork River about 7 miles southeast of Spanish Fork, Utah, generally northwest along river to Spanish Fork Powerplant.	Construction period
1907-1908	Length
3.3 mi	Diversion capacity
500 cfs	Typical section in earth:

Bottom width	19 ft
Side slopes	1.5:1
Water depth	6.2 ft
Typical section, concrete lined:
Bottom width	4 ft
Side slopes	1:1
Water depth	7.2 ft
Lining thickness	6 in

Springville-Mapleton Lateral

Location
Generally north from point on Strawberry Power Canal about 2 miles downstream from diversion dam.	Construction period
1918	Length
6.75 mi	Diversion capacity
100 cfs	Typical section in earth:

Bottom width	4 ft
Side slopes	1.5:1
Water depth	2.7 ft
Typical section, concrete lined:
Bottom width	4 ft
Side slopes	1.5:1
Water depth	2.55 ft
Lining thickness	4 in

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Power Facilities

Upper Spanish Fork Powerplant

Lower Spanish Fork Powerplant

Payson Powerplant

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Last updated: May 17, 2011