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Aqueduct Shutdown December 4 – 15

On December 4, 2021, the San Diego County Water Authority will be taking the 74-year old 1st San Diego Aqueduct out of service until December 15, 2021. With the aqueduct being off the district loses water supply to approximately 85% of the District’s its area (see map). 

First Aqueduct shutdown-Map

The Water Authority is taking the 48” diameter pipeline out of service to inspect and make final design decisions on how to make the needed repairs to the three tunnels discovered in the recently completed northern 1st Aqueduct relining project.

Researchers Work to Keep Imperial Beach Above Water

Every winter, Imperial Beach finds some of its streets and sidewalks underwater. This week, researchers from San Diego State and UC San Diego started digging groundwater wells to see how sea-level rise plays a role in that flooding. The sea-level impacts how shallow the water table is underneath the city.

“Flooding overall is a very, very big thing in Imperial Beach,” said Hassan Davani, Ph.D.

The SDSU researcher said most studies predict sea-level rise will significantly impact California as early as 2050. However, Davani said Imperial Beach can’t wait that long to protect itself.

Major Extra Cuts to Be Made in Arizona Deliveries of Colorado River Water Next Year

The Central Arizona Project’s governing board took the first steps Thursday toward approving Arizona’s share of a plan to save a half-million acre-feet a year of Colorado River water in order to prop up ailing Lake Mead.

The plan, adopted unanimously by the board, calls for Arizona users of the river water — mostly those on CAP supplies — to shoulder more than 40% of that total, or 223,000 acre-feet in 2022. The cuts are all supposed to be voluntary and temporary, and to be compensated by either state or federal money, totalling $100 million a year for the entire conservation program.

In the Midst of Drought, Experts Aim to Improve Central Valley Water Usage With Helicopter-born Technology ‘MRI’ Technology

When physicians want to take a look at a patient’s vascular system to see things that aren’t visible to the naked eye, they often turn to MRI technology. That is what experts with the California Department of Water Resources are doing to analyze the state’s water system – specifically the underground aquifers that collect and store precipitation and other surface water.

 

EPA: California to Receive Over $600 Million in Water Infrastructure Funding

The U.S. Environmental Protection Agency announced Thursday that California will receive more than $600 million in water infrastructure funding through the Bipartisan Infrastructure Law.

State Water Project Zeroes Out Allocation for 2022 Other Than for Health, Safety Needs

Most California water districts will receive virtually no water next year from the State Water Project other than for health and safety needs amid “unprecedented drought conditions,” the state’s the Department of Water Resources announced Wednesday.

The announcement to zero out the State Water Project’s allocation for 2022 comes as officials anticipate a third straight dry year in California that has reservoirs at or nearing record lows.

In a statement Wednesday, DWR Director Karla Nemeth said preparations are needed now with a dry winter expected and with drought conditions likely to continue into next year.

“We will be working with our federal partners and SWP contractors to take a conservative planning approach to balance limited water supplies with the needs of residents, businesses, and the environment,” Nemeth said.

But the San Diego region is better off than other parts of the state, including elsewhere in Southern California, officials say. Since the 1990 drought, San Diego water experts have relied on multiple water sources and not just the state’s.

California Water Districts to Get 0% of Requested Supplies

California water agencies that serve 27 million residents and 750,000 acres of farmland won’t get any of the water they’ve requested from the state heading into 2022 other than what’s needed for critical health and safety, state officials announced Wednesday.

It’s the earliest date the Department of Water Resources has issued a 0% water allocation, a milestone that reflects the dire conditions in California as drought continues to grip the nation’s most populous state and reservoirs sit at historically low levels. State water officials said mandatory water restrictions could be coming.

“If conditions continue to be this dry, we will see mandatory cutbacks,” Karla Nemeth, director of DWR, told reporters.

Marin Water Managers Near Deal for Yuba County Supply

The Yuba County Water Agency might sell billions of gallons of water to Marin County through a proposed pipeline across the Richmond-San Rafael Bridge.

Under the proposed agreement, the agency would be able to sell Marin and the East Bay Municipal Utility District at least 10,000 acre-feet of water from its New Bullards Bar Reservoir at an estimated cost of more than $10 million.

As Drought Worsens, Officials say Mandatory Water Cuts Likely Coming for Urban Californians

With the drought showing no signs of abating, California officials announced Wednesday they plan to deliver almost no water from the State Water Project to begin next year — and suggested that mandatory cutbacks in urban usage could come if conditions stay dry.

Karla Nemeth, director of the Department of Water Resources, said the various cities and farm-irrigation districts that belong to the State Water Project — the elaborate state-run network of reservoirs and canals — are getting “essentially a zero allocation” to start 2022.

 

State Water Board To Vote On Mandatory Statewide Water Restrictions

California water regulators have proposed new emergency drought regulations that would prohibit a wide range of wasteful water behaviors for the entire state.

On Tuesday, the State Water Resources Control Board released a draft of the regulations that would prohibit “excessive” irrigation, ban the use of potable water for street cleaning and forbid landscape irrigation within 48 hours of a rain storm, among other things.

The new mandatory rules would be enforced by local water agencies and people found to be wasting water could face fines, according to a statement from the Water Board, which will vote on the proposal sometime in January for the entire state.