Project details - Yakima Project - Bureau of Reclamation

Full Irrigation Service	267,275 acres
Supplemental Service	176,156 acres
Temporary Irrigation Service	0 acres
Number of Irrigated Farms	12,883
Residential, Commercial, Industrial Lands	20,414 acres
Total Irrigable Lands	463,845 acres

Population Served:

Farm Population Served	38,461
Non-Farm Population Served	161,308
Total Population Served	199,769

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Area Irrigated and Crop Value

Year	Actual Area Irrigated (Acres)	Crop Value (Dollars)
1983	380,461	421,320,472
1984	384,044	489,336,367
1985	383,194	312,752,071
1986	366,814	383,141,627
1987	363,677	356,612,934
1988	365,824	513,395,148
1989	365,720	494,222,252
1990	379,688	578,973,373
1991	369,149	618,331,621
1992	376,123	628,503,519

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Project Water Supply

Project Water Quality

Project Water Supply

Current Conditions

Reservoir Storage

Major Storage Reservoirs in the Yakima Basin

Weather Conditions (NOAA)

East Slopes Southern Cascades, Washington
Kittitas Valley, Washington
Lower Columbia Basin, Washington
Yakima Valley, Washington

Precipitation

Streamflow

Yakima River at Kiona, Washington (USGS)

Streamflow Forecast Map

Spring and Summer (NRCS)

Snowpack Information

Columbia River Snowpack Summary
Mountain Snowpack Maps for Columbia River Basin

Drought Index

Palmer Drought Index Map
Explanation of Palmer Drought Severity Index (Text)

Historic Conditions

Annual Precipitation

Normal	7.97 in
Maximum - 1983	13.22 in
Minimum - 1976	4.18 in
Yakima, Washington 1961-1990

Temperature

Mean Annual	49.7 ?F
Daily Maximum - 08/10/1971	110 ?F
Daily Minimum - 02/01/1950	-25 ?F
Yakima, Washington 1946-1996
Growing Season	177 days
Elevation of irrigable area	400 - 2,200 ft

Yakima River

Drainage area above Keechelus Dam	54.7 mi2
Annual discharge:
Maximum - 1972	414,179 acre-ft
Minimum - 1930	152,098 acre-ft
Average - 1904-1978	240,416 acre-ft

Streamflows

Yakima River near Martin, Washington (USGS)

Kachess River

Drainage area at Kachess Dam	63.6 mi2
Annual discharge:
Maximum - 1933	337,240 acre-ft
Minimum - 1945	90,516 acre-ft
Average - 1904-1978	210,591 acre-ft

Streamflows

Kachess River near Easton, Washington (USGS)

Cle Elum river

Drainage area at Cle Elim Dam	203 mi2
Annual discharge:
Maximum - 1972	1,018,001 acre-ft
Minimum - 1913	374,883 acre-ft
Average - 1903-1978	672,783 acre-ft

Streamflows

Cle Elum River near Roslyn, Washington (USGS)

Bumping River

Drainage area at Bumping Lake Dam	70.7 mi2
Annual discharge:
Maximum - 1950	324,126 acre-ft
Minimum - 1941	112,834 acre-ft
Average - 1909-1978	212,456 acre-ft

Streamflows

Bumping River near Nile, Wahsington (USGS)

Tieton River

Drainage area at Tieton Dam	187 mi2
Annual discharge:
Maximum - 1972	599,384 acre-ft
Minimum - 1945	214,711 acre-ft
Average - 1909-1978	364,356 acre-ft

Streamflows

Tieton River near Naches, Washington (USGS)

Yakima River

Drainage area above Parker	3,660 mi2
Annual discharge:
Maximum - 1916	4,057,351 acre-ft
Minimum - 1944	422,417 acre-ft
Average - 1908-1978	1,825,149 acre-ft

Streamflows

Yakima River near Parker, Washington (USGS)

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Project Water Quality

Facilities in Operation

Facilities in Operation

Storage Dams	7
Diversion Dams	5
Canals	416 mi
Laterals	1,698 mi
Pumping Plants	30
Drains	144 mi
Powerplants	2
Transmission Lines	73.4 mi
Substations	11

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Storage Facilities

Bumping Lake Dam

Cle Elum Dam

Clear Creek Dam

French Canyon Dam

Keechelus Dam

Kachess Dam

Tieton Dam

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DiversionFacilities

Tieton Diversion Dam

Type:	Concrete weir with embankment wing
Location	On Tieton River about 16 miles southwest of Naches, Washington.
Year Completed	1908
Dimensions:
Structural height	5 ft
Hydraulic height	3 ft
Weir crest length	110 ft
Total crest length	510 ft
Crest elevation	2,301.6 ft
Volume	1,400 yd3
Headworks:	Concrete structure, three 4- by 5-ft cast iron slide gates.
Diversion capacity	320 cfs

Easton Diversion Dam

Type:	Concrete gravity ogee weir, movable crest
Location	On the Yakima River, near Easton, Washington.
Year Completed	1929
Dimensions:
Structural height	66 ft
Hydraulic height	43 ft
Weir crest length	64 ft
Total crest length	248 ft
Weir crest elevation (gate raised)	2,180.3 ft
Volume	5,800 yd3
Spillway:	Ogee weir, one automatically controlled 14.5- by 64-ft drum gate.
Headworks:	Concrete structure at right abutment, two motor-operated 12-by 11-ft radial gates.
Diversion capacity	1,200 cfs
Fish Facilities:	Concrete fish ladder on left abutment, twenty 10- by 6-ft bays.

Prosser Diversion Dam

Type:	Concrete weir
Location	On the Yakima River near Prosser, Washington.
Year Completed	1904 Privately constructed. Modified by Reclamation in 1932-1933 and 1956.
Dimensions:
Structural height	9 ft
Hydraulic height	7 ft
Weir crest length	661 ft
Crest elevation	633.5 ft
Volume	2,500 yd3
Headworks:	Concrete structure with three 16- by 7.75-ft top-seal radial gates.
Diversion capacity	1,500 cfs
Fish Facilities:	Two vertical concrete fish ladders, 1 ladder with 14 pools for right bank, 1 ladder with 12 pools for left bank. One 36- by 48-in slide gate to control auxiliary flow for right bank fish ladder.

Sunnyside Diversion Dam

Type:	Concrete ogee weir with embankment wing
Location	On the Yakima River near Parker, Washington.
Year Completed	1907
Dimensions:
Structural height	8 ft
Hydraulic height	6 ft
Weir crest length	500 ft
Crest elevation	898.5 ft
Volume	1,800 yd3
Headworks:	Concrete structure with six 6-ft-square cast iron gates.
Diversion capacity	1,320 cfs
Fish Facilities:	Three stair step ladders, one on each bank and one near center of dam.

Roza Diversion Dam

Type:	Concrete weir, movable crest
Location	On the Yakima River about 10 miles north of Yakima, Washington.
Year Completed	1939
Dimensions:
Structural height	67 ft
Hydraulic height	34 ft
Weir crest length	241 ft
Total crest length	486 ft
Weir crest elevation	1,205.0 ft
Volume	21,700 yd3
Spillway gates:	Two 14- by 110-ft motor-operated roller gates, float controlled.
Headworks:	Concrete structure in right abutment with trashrack at inlet end protecting revolving fish screens in transition section. Radial gate structure at outlet end controls discharges into canal. Six 20-ft-long, 13.08-ft-diameter fish screens, motor operated. One 28- by 15-ft radial gate, motor operated, manually controlled. Two hand-operated sluice gates, one 16-in and one 14-in, on fish bypass.
Diversion capacity	2,200 cfs
Fish Facilities:	Fish facilities: Main concrete fish ladder with 28 pools in left abutment; auxiliary ladder with 4 pools in right pier. One 12- by 7-ft fixed-wheel gate on fish ladder, and one 30-in sluice gate on diffuser beneath main fish ladder.

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Carraige Facilities

Kittitas Main Canal

Location	From Easton Diversion Dam generally southeast along the south side of Yakima River to about 13 miles northwest of Ellensburg, Washington.
Construction period	1926-1929
Length	26.2 mi
Diversion capacity	1,320 cfs
Typical section in earth:
Bottom width	30 ft
Side slopes
Water depth	11.4 ft
Typical section, lined:
Bottom width	12 ft
Side slopes	1.5:1

North Branch Canal - Kittitas Main Central

Location	From end of Kittitas Main Canal generally east- southeast along the northern edge of the Kittitas Division irrigated areas.
Construction period	1926-1931
Length	36 mi
Diversion capacity	925 cfs
Typical section in earth:
Bottom width	30 ft
Side slopes	1.5:1
Water depth	8.2 ft
Typical section, lined:
Bottom width	10 ft
Side slopes	1.25:1
Water depth	7.9 ft

Yakima River Pressure Tunnel

Location	On the North Branch Canal in the Kittitas Division.
Construction period	1929-1931
Length	3,640 ft
Diversion capacity	925 cfs
Cross-section:	Circular
Diameter	9.25 ft
Lining:	Concrete and steel

South Branch Canal

Location	From the end of the Kittitas Main Canal generally south- southeast along southern edge of Kittitas Division irrigated area.
Construction period	1926-1929
Length	14 mi
Diversion capacity	220 cfs
Typical section in earth:
Bottom width	12 ft
Side slopes	1.5:1
Water depth	3.9 ft
Typical section, lined:
Bottom width	5 ft
Side slopes	1.25:1
Water depth	3.8 ft

Cascade Intake Canal

Location	On the east side of the Yakima River, 3 miles northwest of Ellensburg, Washington.
Construction period	1974-1975
Length	1.3 mi
Diversion capacity	150 cfs
Typical section in earth:
Bottom width	10 ft
Side slopes	2:1
Water depth	5 ft

Tieton Canal

Location	From Tieton Diversion Dam generally east along the south side of the Tieton River to the vicinity of Tieton, Washington.
Construction period	1907-1909
Length	10 mi
Diversion capacity	347 cfs

Naches Branch Canal

Location	From the end of the Tieton Canal generally southeast along the Naches River to the vicinity of Yakima, Washington.
Construction period	1909-1910
Length	10.3 mi
Diversion capacity	92 cfs

Wide Hollow Branch Canal

Location	From the end of the Tieton Canal generally south to the vicinity of Harwood, Washington.
Construction period	1911
Length	29.7 mi
Diversion capacity	191 cfs
Typical section in earth:
Bottom width	12 ft
Water depth	9 ft

Roza Canal

Location	From Roza Diversion Dam generally southeast along the north side of the Yakima River Valley to the vicinity of Benton City, Washington.
Length	90.4 mi
Diversion capacity	2,200 cfs
Typical section in earth:
Bottom width	55 ft
Side slopes	1.5:1
Water depth	12 ft
Typical section, lined:
Bottom width	14 ft
Side slopes	1.25:1
Water depth	11.3 ft

Tunnels No. 1 and No. 3

Location	On the Roza Canal near Roza Diversion Dam and Yakima, Washington.
Construction period	1936-1937
Length
Tunnel No. 1	8,231 ft
Tunnel No. 3	9,588 ft
Capacity of each tunnel	2,200 cfs
Cross-section:	Horseshoe
Vertical height	17 ft
Lining:	Concrete

Sunnyside Canal

Location	From Sunnyside Diversion Dam generally southeast to the vicinity of Benton City, Washington.
Construction period	1892-1912
Length	60 mi
Diversion capacity	1,295 cfs
Typical section in earth:
Bottom width	40 ft
Side slopes	1.5:1
Water depth	8 ft
Typical section, lined:
Bottom width	10 ft
Side slopes	1.5:1
Water depth	4 ft

Outlook Canal

Location	Parallel to the Sunnyside Canal in the vicinity of Sunnyside, Washington.
Construction period	1915
Length	10 mi
Diversion capacity	42 cfs
Typical section in earth:
Bottom width	3 ft
Side slopes	1:1
Water depth	2.5 ft

Snipes Mountain Canal

Location	South from the Sunnyside Canal near Sunnyside, Washington.
Construction period	1912
Length	12.5 mi
Diversion capacity	195 cfs
Typical section in earth:
Bottom width	14 ft
Side slopes	1:1
Water depth	4 ft
Typical section, lined:
Bottom width	10 ft
Side slopes	1:1
Water depth	3 ft

Grandview Canal

Location	From and parallel to the Sunnyside Canal in the vicinity of Grandview, Washington.
Construction period	1916
Length	8 mi
Diversion capacity	36 cfs
Typical section lined:
Bottom width	2.5 ft
Side slopes	1:1
Water depth	2 ft

Prosser Irrigation District Canal

Location	From and parallel to the Sunnyside Canal across Yakima River from Prosser, Washington.
Construction period	1917
Length	9 mi
Diversion capacity	20 cfs
Typical section lined:
Bottom width	2 ft
Side slopes	1:1
Water depth	2 ft

Mabton Canal

Location	On south side of Yakima River across from Grandview, Washington. (Water supply through siphon from Sunnyside Canal).
Construction period	1910
Length	13.5 mi
Diversion capacity	125 cfs
Typical section in earth:
Bottom width	7 ft
Side slopes	1:1
Water depth	4 ft

Prosser Canal

Location	On the south side of the Yakima River near Prosser, Washington. (Water supply through siphon from Sunnyside Canal).
Construction period	1912
Length	10 mi
Diversion capacity	33 cfs
Typical section in earth:
Bottom width	3.5 ft
Side slopes	1:1
Water depth	3 ft
Typical section, lined:
Bottom width	3.5 ft
Side slopes	1:1
Water depth	3 ft

Chandler Power Canal

Location	From Prosser Diversion Dam generally northeast along the Yakima River to the Chandler Power and Pumping Plant.
Construction period	1953-1954
Length	10.6 mi
Diversion capacity	1,500 cfs
Typical section in earth:
Bottom width	50 ft
Side slopes	1.5:1
Water depth	9.9 ft
Typical section, lined:
Bottom width	12 ft
Side slopes	1.5:1
Water depth	10.9 ft

Kennewick Main Canal

Location	From Chandler Power and Pumping Plant generally southeast to the vicinity of Hover, Washington.
Construction period	1954-1956
Length	44 mi
Diversion capacity	500 cfs
Typical section in earth:
Bottom width	14 ft
Side slopes	2:1
Water depth	7.6 ft
Earth lining thickness	18 in
Typical section, lined:
Bottom width	7 ft
Side slopes	1.5:1
Water depth	6.5 ft

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Pumping Plants

Designation	Number of units	Total capacity, cfs	Total dynamic head, ft	Total horsepower
Kennewick Division:
Chandler1	2	500	108	5,200
Amon	1	20	225	700
Sunnyside Division:
Snipes Mountain Canal	2	80	63	850
Outlook	2	48	--	800
Grandview	3	38	35-78	365
West Grandview	1	4	64	--
Prosser	1	40	106	190
Spring Creek	1	22	77	160
Hillcrest	1	1.56	--	35
Kittitas Division
Wippel	4	65	136.5	1,500
Roza Division:
Mile 7.2-Area No. 1	4	39	106-218	1,000
Mile 16.8-Area No. 2	5	56.6	106-233	1,600
Mile 22.5-Area No. 3	5	46.9	155-237	1,600
Mile 24.0-Area No. 4	2	14	164	400
Mile 27.0-Area No. 5	1	5.5	115	100
Mile 29.6-Area No. 6	1	5.5	151	125
Mile 37.8-Area No. 7	3	21.6	157	600
Mile 42.8-Area No. 8	3	32.1	144	750
Mile 48.5-Area No. 9	3	30.6	185	900
Mile 52.4-Area No. 9A	3	33	166	900
Mile 56.1-Area No. 10	2	13.5	139	300
Mile 61.8-Area No. 12	2	11.8	150	300
Mile 67.3-Area No. 13	2	48	111	800
Mile 71.0-Area No. 14	3	33	241	1,200
Mile 78.8-Area No. 15	6	77.1	148-275	2,550
Mile 81.5-Severyns	1	3	70	40
Mile 88.3-Area No. 16	5	46	139-271	1,500
Mile 92.7-Area No. 17	2	12.2	235	500
Terrace Heights	2	6	94	80
Cascade2	8	160	108	2,400

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Last updated: Jan 03, 2013