Orland Project Historycetehama.ucanr.edu/files/20611.pdf · Orland Project History yAuthorized by...
Transcript of Orland Project Historycetehama.ucanr.edu/files/20611.pdf · Orland Project History yAuthorized by...
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Rick Massa, ManagerOrland Unit Water Users’ Association
Wednesday, December 3, 2008Corning Veterans Hall
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Orland Project HistoryAuthorized by Congress in 1907 under Reclamation Act of 1902Orland Unit Water Users’ Association Incorporated in 1907Construction of First Dam Commenced in 1910Canal Construction Began in 1908Project Owned, Operated and Maintained by U.S. Bureau of Reclamation Until 1954Operation and Maintenance Contracted By Orland Unit Water Users’ Association in 1954OUWUA Fully Repaid USBR in 1989
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Orland Project Features
Water Rights Held on Stony CreekTwo Major Dams/Reservoirs—Combined Storage 100,000 acre‐feetTwo Diversion Dams on Stony Creek126 Miles of Canals and Laterals In, and Around, Orland, CaliforniaProject Serves Approximately 20,000 Acres
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U. S. Orland Project
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Storage System
Built by USACE for flood control in 1963
Integrated into CVP in 1970 (38,000 af of conservation used)
143,700 af capacity
Black Butte Reservoir
• Built in 1910 by USBR for Orland Project
• 50,620 af capacity
• Built by USBR for Orland Project in 1928
• 50,350 af capacity Stony Gorge Reservoir
East Park Reservoir
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Rainbow Diversion DamConstructed in 1914 to divert S.C. Flows to East Park Reservoir via 7‐mile Feeder Canal
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Black Butte Reservoir
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North Diversion Dam
Constructed in 1913 to divert S.C. Flows to Orland Project Lands Located North of Stony Creek
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Pre‐1914 Direct Diversion Appropriative Rights
Pre‐1914 Appropriative Storage Rights
Post‐1914 Appropriative Storage Rights
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Pre‐1914 Direct Diversion Appropriative Rights•85,050 af, not to exceed 279 cfs
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Pre‐1914 Appropriative Storage Rights
•51,000 af for storage in East Park by diversion of Little Stony Creek*
•*Pre‐1914 Appropriative right to divert 250‐cfs from Stony Creek at Rainbow Diversion
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Post‐1914 Appropriative Storage Rights
•50,200 af for storage at Stony Gorge Reservoir
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-
20,000
40,000
60,000
80,000
100,000
120,000
140,000
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
Year
Dem
and
(Acr
e-Fe
et)
Estimated Conveynace Losses Estimated Applied Water Average Diversions
Average Diversions 95,370 AF
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Historical Orland Project Storage
-
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
1956
1958
1960
1962
1964
1966
1968
1970
1972
1974
1976
1978
1980
1982
1984
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
His
toric
al E
nd-o
f-Feb
ruar
y Co
mbi
ned
Stor
age
of E
ast
Par
k an
d St
ony
Gor
ge r
eser
voir
s (A
F)
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Water Sources
279 cfs up to 85,050 af from Stony Creek
Black Butte Reservoir
• 50,620 af capacity
• 50,350 af capacity
Stony Gorge Reservoir
East Park
Reservoir
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OUWUA’s Current Challenges
Conversion of project lands into non‐agricultural usesAn aged infrastructure in need of rehabilitationA Rotational Delivery System incapable of meeting current crop needs and certainly not supporting modern efficient on‐farm irrigation practicesInfrequent DroughtsThreatened Water Rights
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OUWUA ChallengesIssue Action
Conversion of project lands into non‐agricultural usesAn aged infrastructure in need of rehabilitationA Rotational Delivery System incapable of meeting current crop needs and certainly not supporting modern efficient on‐farm irrigation practicesInfrequent DroughtsThreatened Water Rights
Working with USBR in petitioning federal court to allow annexation of agricultural lands into ProjectWater Conservation & Rehabilitation EffortsExploring Conjunctive Water ManagementInvolvement in Local, Regional and Statewide Water Issues
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Water Conservation & Rehabilitation Efforts
Two studies completed in 2003 utilizing Prop. 13 Funds1. Modernization of the Distribution System
a. Considered converting open ditch system to pressurized, piped system; andb. Considered improvements to existing distributionfacilities to provide system and on‐farm efficiencies
2. Evaluated supply benefits derived from system improvements, from the reoperation of its reservoir system, and from conjunctively managing groundwater supplies with existing surface supplies
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Canal ImprovementsConstruction of Long‐Crested Weirs
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Canal ImprovementsFlap Gate & SCADA Monitoring Site
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Current Canal ImprovementProject
Beat Two Regulating Reservoir Project
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The SCF Partners
• OUWUA• OAWD• GCID
Proposed Well Locations
Stony Creek Fan Conjunctive Management Program
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SCF Partnership HistoryPhase 1 Agreement (2001)Feasibility Investigation (2002 ‐ 2004)
Analysis of historical data & operationsBaseline conditionsGW recharge & aquifer testsStony Creek Fan IGSM model
Phase 2 Agreement (2007)Groundwater Production Element
More aquifer characterizationFocus on the Lower Tuscan FormationIdentify Wells in Orland Project for Drought Protection
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SCF Phase 2—Aquifer Exploration &
Characterization ProgramDrill six test holes to better define extent and depth of Lower Tuscan in relation to other aquifersConstruct up to 7 test production wells to enable aquifer testingProvide supporting legal and technical servicesPrepare CEQA/NEPA environmental documentationCoordinate with DWR on monitoring and aquifer testing protocolsIdentify Wells in Orland Project for Drought Protection
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Stony Creek Fan Conjunctive Management Program
OUWUA’s InterestSupply EnhancementDrought ProtectionExtensive, aging infrastructure/urban growth impacts Operational flexibility
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OUWUA Influences/InvolvementBay‐Delta Proceedings following the Raccanelli Decision in 1986State Water Resources Control Board adopted the Water Quality Control Plan (Bay‐Delta Plan) to meet water quality & environmental objectives in the Delta—1995CALFED Bay‐Delta Program Programmatic Record of Decision (ROD)—2000Sites Reservoir Memorandum of Understanding Signatory Dec. 2000Sacramento Valley Water Management Plan—Signatory to the Short Term Settlement Agreement (Phase 8) Dec. 2002Sacramento Valley Regional Water Management Plan—2006Water Shortages/Drought Conditions/Global Warming Delta Vision—Current
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