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- March 2005 CVP Water Supply Information Announced
News Release Archive
March 2005 CVP Water Supply Information Announced
Media Contact:
Jeffrey S. McCracken, 916-978-5100, 03/15/2005 14:59
For Release: March 15, 2005
Northern California has experienced below normal precipitation since February, and the hydrologic conditions with a 90-percent probability of being exceeded remain classified as a "Dry Year." The Dry Year classification is based on the forecasted Sacramento Valley Water Year Type Index of 5.9 million acre feet. Reclamation uses this conservative forecast to determine the water supply available from the Federal Central Valley Project (CVP). The water supply from the CVP, based on March 1 conditions, is unchanged from the February 15, 2005, announcement. The CVP water supply allocation is summarized in the table below.
Mid-Pacific Region
| |||||||||
Probability of Exceedence Forecasts | Percent of Historical Average Sacramento Valley Index & Year Type | North of Delta | South of Delta | ||||||
Ag | M&I | R | WR | Ag | M&I | R | WR | ||
50% | 81% | 100 | 100 | 100 | 100 | 65 | 90 | 100 | 100 |
90% | 69% | 65 | 90 | 100 | 100 | 65 | 90 | 100 | 100 |
Recent Historical Average | 92 | 97 | 100 | 100 | 66 | 91 | 100 | 100 | |
Municipal and Industrial Allocations are based on historical deliveries.
Trinity River - Record Of Decision Water Supply
Trinity River - Record Of Decision | |
Forecast Exceedence/Year Type | Water Supply |
90% Dry | 453,000 Acre-feet |
50% Normal | 647,000 Acre-feet |
The CVP Cross Valley Canal Contractors'65% water supply allocation remains unchanged. This water supply is dependent upon adequate capacity being available at the State Water Project Banks Pumping Plant to convey the water.
In the 90-percent exceedence forecast, the allocation for the CVP East Side Division contractors (Stanislaus River) is projected to be about 14,000 acre-feet. In the 50-percent exceedence forecast, the allocation is projected to be approximately 41,000 acre-feet.
The Friant Division deliveries for Water Year 2005 are projected to be 1.3 million acre-feet, or 86 percent of the historic water supply of 1.5 million acre-feet. The preliminary allocation for Friant Division contractors will be 100 percent of Class 1 water and Uncontrolled Season for Class 2 water. The projected Friant Division delivery of 1.3 million acre-feet is based on the Department of Water Resources 90 percent exceedence forecast. Through March 15, 2005, precipitation in the San Joaquin River watershed was 40.34 inches compared to 26.00 inches this time last year.
Throughout the precipitation season, updated information will be provided as conditions warrant. For additional information on the Water Year 2005 water supply, please contact the Public Affairs Office at 916-978-5100, TDD 916-978-5608. In the coming months, additional information will continue to be posted on the Mid-Pacific Region's website at www.usbr.gov/mp.
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