Feb 20, 2018
Facing specter of drought, California farmers told to expect little water: “It’s starting to look like a drought year for California farmers who depend on water from the federal government. The U.S. Bureau of Reclamation announced Tuesday that most farmers south of the Sacramento-San Joaquin Delta who get water from the federal Central Valley Project will receive just 20 percent of their requested allocation this year. Although the numbers could change and the allocations could increase this spring, the initial figures reflect the abysmal precipitation California has received so far this winter. “We have extremely low snowpack and limited anticipated runoff,” said David Murillo, the bureau’s regional director. … ” Read more from the Sacramento Bee here: Facing specter of drought, California farmers told to expect little water
Drought threat looms over water allocations: “With the threat of another drought looming, federal officials announced water allocations Tuesday that gave the city of Redding a full complement of water, but other water agencies, such as the Bella Vista Water District, were left with uncertainty. Because of the dry winter and concerns over having enough water in the Sacramento River for endangered winter-run salmon, many North State water agencies likely won’t hear for weeks how much water they will receive from the U.S. Bureau of Reclamation. … ” Read more from the Redding Record Searchlight here: Drought threat looms over water allocations
With the threat of another drought looming, west San Joaquin Valley farmers received some dismal news Tuesday about this year’s water allocation.
The initial allocation from the Central Valley Project is 20 percent, the U.S Bureau of Reclamation announced on Tuesday.
Federal officials said the allocation is based on “a conservative estimate of the amount of water that will be available for delivery to CVP water users and reflects current reservoir storages, precipitation and snow pack in the Central Valley and Sierra Nevada.”
From the Bureau of Reclamation:
The Bureau of Reclamation today announced the initial 2018 water supply allocation for many Central Valley Project contractors. This allocation is based on a conservative estimate of the amount of water that will be available for delivery to CVP water users and reflects current reservoir storages, precipitation and snowpack in the Central Valley and Sierra Nevada.
The 2017 water year was the wettest on record for most of northern California and CVP reservoirs were essentially full for the first time in five years; however, precipitation so far this year has been far below average. The California Department of Water Resources (DWR) reports that as of February 15, the statewide average snow water equivalent in the Sierra Nevada was 4.3 inches (20 percent of the historical average), and rainfall is currently at approximately 60 percent of the historical average for the northern Central Valley.
“Despite the historic rainfall last year, California’s lack of sufficient water storage forces us to operate on a year-to-year basis. The amount we can store in our reservoirs is not enough to get us through these very dry years,” said David Murillo, Reclamation’s Mid-Pacific Regional Director. “Given what we know today, and what we see in the forecast, we must be very conservative with our allocation. If this lack of rain and snow continues, we could very well be right back in drought operations. A situation like this really underscores the need for more storage in California.”
“There are many factors we have to consider when determining CVP allocations – hydrologic conditions, reservoir storage levels, water quality requirements, water rights priority, contractual obligations, and endangered species protections,” Murillo said. “All of these are taken into account with the goal of exercising all authorities available to us to maximize water supplies.”
Given storage of CVP water in San Luis, Millerton, and New Melones Reservoirs, as well as conservative assumptions regarding Delta operations over the next couple of months, Reclamation is able to provide an initial allocation to South-of-Delta, Friant, and Eastside contractors of the CVP. Regarding the remainder of the allocations to CVP contractors, although the CVP is operationally integrated, each individual reservoir has unique and specific operational criteria that must also be met. Due to the extremely low snowpack levels and associated runoff forecasts, combined with the uncertainty in the ability to manage Shasta Reservoir in a way that will provide adequate temperatures for the protection of endangered salmon species in the Sacramento River throughout the summer and fall in 2018, Reclamation will not be providing an initial allocation of water to North-of-Delta Contractors at this time. The integrated nature of the operation of Shasta and Folsom Reservoirs requires the same approach for American River and In-Delta Contractors.
Reclamation will be working with these contractors, as well as the National Marine Fisheries Service (NMFS), during the next week to ensure that water will continue to be delivered to meet public health and safety needs for Municipal and industrial (M&I) contractors and appropriate minimal needs of agricultural contractors during the month of March. This approach will allow Reclamation, NMFS, and the contractors to refine operating scenarios based on d snowpack and runoff forecasts in March, and develop appropriate plans for dealing with the extremely dry conditions should they continue.
Shoud conditions change, CVP supplies could also change. Reclamation will continue working with the DWR, federal and state fishery agencies, our contractors, and others to effectively carry out project operations and improve water supply consistent with all applicable laws. Based on the information outlined above, Reclamation is announcing the initial allocation to the following:
- Agricultural water service contractors South-of-Delta are allocated 20 percent of their contract total.
- M&I water service contractors South-of-Delta are allocated the greater of 70 percent of their historic use or public health and safety needs.
Friant Division Contractors
- Based upon Millerton Lake storage and current and forecasted hydrologic conditions in the Upper San Joaquin River Basin, the Friant Division contractors are allocated 30 percent of Class 1 supplies.
- For the San Joaquin River Restoration Project, the current best forecast developed jointly by SJRRP and the South-Central California Area Office now indicates a “Critical-High” water year type.
Eastside Water Service Contractors
- Eastside water service contractors (Central San Joaquin Water Conservation District and Stockton East Water District) will receive 100 percent of their contract total.
On February 15, Reclamation notified the Sacramento River Settlement Contractors, San Joaquin River Exchange Contractors, San Joaquin Settlement Contractors, and Refuge Contractors that the forecasted inflow to Shasta Lake is currently greater than 3.2 million acre-feet and we are not currently in a “Shasta Critical” year as that term is defined in their contracts.
“Current dry conditions and the dry forecast underscore the need for all Californians to be conservative in their water use this spring,” Murillo said. “Without significant rain and snow this spring, conditions could worsen.”
As the water year progresses, changes in hydrology and opportunities to deliver additional water will influence future allocations. Water supply s will be made as appropriate and posted at http://www.usbr.gov/mp/cvp-water/index.html.