Topic: Central Valley

Overview

Central Valley

The Central Valley is a vital agricultural region that dominates the center of California, stretching 40-60 miles east to west and about 450 miles from north to south.  It covers 22,500 square miles, about 13.7% of California’s total land area.

Key watersheds are located here: The Sacramento Valley in the north, San Joaquin Valley and Tulare Basin to the south. In addition, the Sacramento and San Joaquin rivers drain their respective valleys and meet to form the Sacramento-San Joaquin Bay Delta, which flows to the Pacific Ocean via the San Francisco Bay.

Aquafornia news SJV Water

Thursday Top of the Scroll: Chaos continues to reign among Kings County water agencies following state action

It’s been two and a half months since the state brought the hammer down on water managers in Kings County for lacking an adequate plan to stem overpumping in the region and the situation is, in a word – chaotic. One groundwater sustainability agency (GSA) has imploded, leaving the county to potentially pick up the pieces. Another doesn’t have enough money in the bank to pay its newly hired manager. One GSA has repeatedly canceled meetings, others appear to be crafting their own plans and one is banking on being exempted as a “good actor,” despite the state’s repeated insistence that there will be no such exemptions in San Joaquin Valley basins now under scrutiny. Oh, and the Farm Bureau is suing the state Water Resources Control Board over its vote April 16 to put the region, the Tulare Lake subbasin, into probation – the first step toward a possible state pumping takeover. All this while a deadline is rapidly approaching July 15 for all Kings County pumpers to register their wells and begin tracking their groundwater consumption.

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Aquafornia news Bureau of Reclamation

News release: Reclamation again increases 2024 Central Valley Project water supply allocation

Today, the Bureau of Reclamation announced another increase in the Central Valley Project 2024 water supply allocation for south-of-Delta contractors. While all north-of-Delta Central Valley Project contractors are currently at 100% of their supplies, south-of-Delta agricultural contractors are being increased from 40% to 50%.  All other Central Valley Project contract allocations remain the same per the March 22 water supply update. Initial contract allocations were announced on Feb. 21 and updated in March and April.

Related water supply articles: 

Aquafornia news Public Policy Institute of California

Blog: Drought and groundwater sustainability in California’s farming regions

As the Sustainable Groundwater Management Act (SGMA) approaches its tenth anniversary, California is making progress towards implementation—but the 2020–22 drought shows that much work still lies ahead. Drought poses a particular challenge for SGMA compliance in many farming regions. Increased groundwater use keeps crops irrigated when surface water is scarce, but it can cause undesirable impacts such as dry wells, infrastructure damage from land subsidence (sinking lands), and increased rates of seawater intrusion. While SGMA allows some flexibility for extra groundwater pumping during droughts, it also requires local agencies to guard against these undesirable impacts.

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Aquafornia news Los Angeles Times

Monday Top of the Scroll: California legislators reject proposal to limit water well-drilling

Over the past several years, California’s water managers have seen a pattern emerge in farming areas of the Central Valley: Even as declining groundwater levels have left thousands of residents with dry wells and caused the ground to sink, counties have continued granting permits for agricultural landowners to drill new wells and pump even more water. A bill that was sponsored by the California Department of Water Resources sought to address these problems by prohibiting new high-capacity wells within a quarter-mile of a drinking water well or in areas where the land has been sinking because of overpumping. Despite support from Gov. Gavin Newsom’s administration, the measure was narrowly rejected in the Senate last week after encountering opposition from the agriculture industry, business groups, local governments and water agencies.

Related groundwater/legislative articles:

Aquafornia news SJV Water

Domestic well program gets mini launch in Tule subbasin as water managers worry about one agency’s ability to pay its share long term

Board members of Eastern Tule Groundwater Sustainablity Agency signed a deal with Self-Help Enterprises this week to respond to dry or damaged drinking water wells. The deal may, or may not, be extended throughout the Tule subbasin as part of a larger effort by managers to revamp their groundwater plan and submit it to the state Water Resources Control Board by July 1 to try and stave off state intervention. But if this one piece of the larger puzzle is any indication, July 1 may be a pipe dream for a cohesive plan as other water managers are negotiating their own deals with Self-Help and questioning Eastern Tule’s ability to pay for a well program long term.

Related groundwater articles:

Aquafornia news KCRA

Stanislaus County officials warn about unsafe water levels

As people flock to the rivers to escape the sweltering heat, Stanislaus County officials are advising people to stay out of the rivers. John McManus with the Stanislaus Consolidated Fire Department said that the “unsafe water levels” are due to water releases to keep reservoirs from overfilling. “Higher water levels create more current and as the water levels rise, trees, undergrowth, all become obstructions that can be detrimental to the safety of people who are enjoying the river,” he said. As rivers run full and cold, they’re reminding people to wear life jackets and avoid getting in too deep.

Aquafornia news SJV Water

State delays Kaweah subbasin’s probationary hearing date by two months

The state postponed the Kaweah groundwater region’s Nov. 5 probationary hearing until Jan. 7, 2025, according to an announcement at a “state of the subbasin” event held June 19 to answer questions about what probation would mean. … Managers of the three groundwater agencies that cover the subbasin, which covers the northern part of Tulare County’s flatlands, have written a new plan they hope addresses the Water Board’s concerns about the need to protect domestic wells, stop chronic groundwater decline and work in a coordinated manner. Incorporated in that new plan is a $5.8 million-a-year contract with Visalia nonprofit Self-Help Enterprises to monitor and respond to residential well problems. It was the first domestic well agreement of its kind in the San Joaquin Valley.

Related stories:

Aquafornia news Manteca Bulletin

Commentary: Drought not over for some California farmers thanks to questionable Delta smelt regulations

… The Delta smelt benefited from massive releases of stored water to send more fresh water into the Delta in a bid to help them. That also meant less water for growers in the southern part of the San Joaquin Valley. Those releases have been criticized by impacted farmers who argue the water is simply going out to sea and not being diverted for human uses especially during drought periods.  They point to surveys of Delta smelt populations before and after such massive releases and note the decline in numbers haven’t slowed down. … There are Delta smelt being bred in programs the University of California at Davis operates near Stockton and at a fish hatchery near Shasta Dam managed by the U.S. Fish & Wildlife Service. And it is those hatchery bred Delta smelt that farmers contend are now being used to enforce federal and state regulations requiring the reduction in Delta water exports despite a flush year of precipitation year.
—Written by Dennis Wyatt, editor with the Manteca Bulletin

Aquafornia news SJV Water

New program to help Kern residents with nitrate-tainted water

A new water quality initiative in Kern County is gearing up to go live in the next few months to help residents whose water is contaminated with nitrates. The state’s nitrate control program launched in 2021. It offers free well testing and water deliveries for residents whose wells test over the limit for nitrates. The program is mandated by the Central Valley Regional Water Quality Control Board and funded by nitrate polluters throughout the valley. Nitrates, which have infiltrated drinking supplies from fertilizers, septic tanks, dairies and other sources, can be harmful to pregnant women and infants. Kern is the latest valley region to establish large-scale nitrate remediation under the state program. It is still forming and will be fully operational next year.

Related Articles:

Aquafornia news AgNet West Radio Network

‘Collaboration for the Sake of Success’ is Critical to Water Resilience 

In a memorandum of understanding (MOU) signed on May 8, Westlands Water District, Metropolitan Water District, and Friant Water Authority agreed to improve collaborations on surface, groundwater, transfers, and exchanges of water from the San Joaquin Valley to Southern California. Furthermore, a second MOU was signed between Metropolitan and Water Blueprint for the San Joaquin Valley, a coalition that aims to advance water accessibility across the state. The MOU intends to identify, develop, and initiate water projects for the Central Valley to solidify water resilience. The MOUs are the first step to initiating discussions on water supply challenges and improvements that can be made for residents, agriculture, and industry parties who all rely on some share of California water allocations.

Aquafornia news CalMatters

Commentary: How can California overcome water wars to create a resilient supply?

California is a semi-arid state in which the availability of water determines land use, and in turn shapes the economy. That, in a nutshell, explains why Californians have been jousting over water for the state’s entire 174-year history. The decades of what some have dubbed “water wars” may be approaching a climactic point as climate change, economic evolution, stagnant population growth and environmental consciousness compel decisions on California’s water future. A new study, conducted by researchers at three University of California campuses, projects that a combination of factors will reduce California’s water supply by up to 9 million acre-feet a year – roughly the equivalent of all non-agricultural human use.
-Written by CalMatters columnist Dan Walters.

Related water supply articles: 

Aquafornia news Spectrum News

Tuesday Top of the Scroll: Water infrastructure systems across the U.S are aging

Water is essential to many of our daily activities, but aging infrastructure jeopardizes these systems. According to the EPA, the country has underinvested in water infrastructure, a sentiment Jerry Burke, who is part of the American Society of Civil Engineers, also shares. … [I]ssues range from constant water main breaks to decades-old water pipes, and they are just two of the reasons why the ASCE gave the country a C in its latest infrastructure report card. The report card is released every four years and highlights the condition and performance of the country’s infrastructure. This past 2021 report was the first time in 20 years that the grade was out of the D range. Each state is also given a report card, with California also obtaining a C-.

Related water infrastructure articles: 

Aquafornia news KRCR - Redding

Congressman LaMalfa talks Sites Reservoir as project gains $67.5 million investment

The Sites Reservoir project is getting more federal funding. Officials with the U.S. Department of the Interior announced on May 30 that the Biden-Harris Administration is investing $242 million toward projects aimed at offering clean, as well as reliable, drinking water in Western communities. From this funding, $67.5 million will be offered for the Sites Reservoir project in Colusa and Glenn counties. The initiative will add up to 1.5 million acre-feet of new water storage west of the city of Maxwell, on the Sacramento River system.

Related water supply articles: 

Aquafornia news Los Angeles Times

California has underestimated the epic potential of future flooding

For well over a century, the Great Flood of 1862 has remained among California’s worst natural disasters — a megastorm that’s been used as a benchmark for state emergency planners and officials to better prepare for the future. A dreaded repeat of the flood — which killed at least 4,000 people and turned the Central Valley into a 300-mile-long sea — would probably eclipse the devastation of a major California earthquake and cause up to $1 trillion in damage, some experts say. Yet even as California scrambles to cope with the effects of climate whiplash and increasingly extreme weather, new research suggests the potential magnitude of such events could be far greater than that of the 1862 deluge. After analyzing layers of sediment at Carrizo Plain National Monument, researchers at Cal State Fullerton say they have identified two massive, unrecorded Southern California flood events within the last 600 years.

Aquafornia news Maven's Notebook

Are farm fields a hidden source of microplastics?

…  the fields that grow our food are filthy with plastic waste — the direct result of modern farming’s increasing reliance on the signature material of the Anthropocene. Whether incidentally littered onsite or directly diffused into the soil via polymer-coated chemical pellets, plastic is now embedded both in agricultural practices and the tilled earth itself. It leaks into waterways, might be poisoning our food, and is virtually unregulated.  Nobody knows what to do about it. “Now we have it, and it’s the devil … it’s a global menace,” says Tom Willey, a retired certified organic farmer in the San Joaquin Valley who reluctantly used plastic sheet “mulch” for about 20 years ago on his farm near Madera. … From Modesto to Manteca, from Davis to Petaluma, and throughout the Delta and North Bay regions, plastic sheeting for hoop-style greenhouses and groundcovers are seen in fields beside public roads and waterways, sometimes strewn in windblown rags and tatters, waiting for disposal.

Related pollution articles: 

Aquafornia news Environmental Defense Fund

Blog: Groundwater accounting platform offers data-driven solution for the American West

As the American West faces intensifying water challenges, water managers, landowners, and water users are increasingly turning to the Groundwater Accounting Platform as a data-driven tool that enables them to track water availability and usage with user-friendly dashboards and workflows. This critical tool is now available throughout California to support sustainable groundwater management practices. Unsustainable groundwater pumping across much of the West has endangered long-term water supplies and lead to millions of dollars of infrastructure damage from sinking land. The Groundwater Accounting Platform empowers users to manage long-term, and helps communities avoid undesirable outcomes and maintain clean water supplies at lower costs. Additionally, this critical functionality supports Groundwater Sustainability Agencies as they manage resources in priority basins under the Sustainable Groundwater Management Act.

Aquafornia news ABC 10 - Sacramento

How River Partners finds climate solutions in river restoration, funded by public-private partnerships

We often talk about water infrastructure as it relates to reservoirs, aqueducts, levees, and other means of water storage and flood protection. But California’s water infrastructure isn’t just made of concrete. Floodplain restoration is fast becoming a key part of California’s water puzzle. Dos Rios Ranch Preserve – near Modesto at the confluence of the Tuolumne and San Joaquin Rivers – became Dos Rios Ranch State Park in April, and officially opens to the public in June. It’s California’s newest state park, and the first since 2014. It’s what’s known as a multi-benefit project; Dos Rios supports wildlife from fish to birds, is a place for recreation, and also a place for floodwater to go during wet winters.

Related floodplain restoration article: 

High-Tech Mapping of Central Valley’s Underground Blazes Path to Drought Resilience
Aerial Surveillance Reveals Best Spots to Store Floodwater for Dry Times but Delivering the Surplus Remains Thorny

Helicopter towing an AEM loopA new underground mapping technology that reveals the best spots for storing surplus water in California’s Central Valley is providing a big boost to the state’s most groundwater-dependent communities.

The maps provided by the California Department of Water Resources for the first time pinpoint paleo valleys and similar prime underground storage zones traditionally found with some guesswork by drilling exploratory wells and other more time-consuming manual methods. The new maps are drawn from data on the composition of underlying rock and soil gathered by low-flying helicopters towing giant magnets.

The unique peeks below ground are saving water agencies’ resources and allowing them to accurately devise ways to capture water from extreme storms and soak or inject the surplus underground for use during the next drought.

“Understanding where you’re putting and taking water from really helps, versus trying to make multimillion-dollar decisions based on a thumb and which way the wind is blowing,” said Aaron Fukuda, general manager of the Tulare Irrigation District, an early adopter of the airborne electromagnetic or AEM technology in California.

As New Deadline Looms, Groundwater Managers Rework ‘Incomplete’ Plans to Meet California’s Sustainability Goals
WESTERN WATER IN-DEPTH: More than half of the most critically overdrawn basins, mainly in the San Joaquin Valley, are racing against a July deadline to retool their plans and avoid state intervention

A field in Kern County is irrigated by sprinkler.Managers of California’s most overdrawn aquifers were given a monumental task under the state’s landmark Sustainable Groundwater Management Act: Craft viable, detailed plans on a 20-year timeline to bring their beleaguered basins into balance. It was a task that required more than 250 newly formed local groundwater agencies – many of them in the drought-stressed San Joaquin Valley – to set up shop, gather data, hear from the public and collaborate with neighbors on multiple complex plans, often covering just portions of a groundwater basin.

Central Valley Tour 2022
Field Trip - April 20-22

Central Valley Tour participants at a dam.This tour ventured through California’s Central Valley, known as the nation’s breadbasket thanks to an imported supply of surface water and local groundwater. Covering about 20,000 square miles through the heart of the state, the valley provides 25 percent of the nation’s food, including 40 percent of all fruits, nuts and vegetables consumed throughout the country.

California Spent Decades Trying to Keep Central Valley Floods at Bay. Now It Looks to Welcome Them Back
WESTERN WATER IN-DEPTH: Floodplain restoration gets a policy and funding boost as interest grows in projects that bring multiple benefits to respond to climate change impacts

Land and waterway managers labored hard over the course of a century to control California’s unruly rivers by building dams and levees to slow and contain their water. Now, farmers, environmentalists and agencies are undoing some of that work as part of an accelerating campaign to restore the state’s major floodplains.

Western Water By Alastair Bland

SIDEBAR: Creating A Floodplain Buffet for Salmon Smolts

Biologists have designed a variety of unique experiments in the past decade to demonstrate the benefits that floodplains provide for small fish. Tracking studies have used acoustic tags to show that chinook salmon smolts with access to inundated fields are more likely than their river-bound cohorts to reach the Pacific Ocean. This is because the richness of floodplains offers a vital buffet of nourishment on which young salmon can capitalize, supercharging their growth and leading to bigger, stronger smolts.

Aquafornia news The Sacramento Bee

Wednesday Top of the Scroll: Red alert sounding on California drought, as farmers get less water

A government agency that controls much of California’s water supply released its initial allocation for 2021, and the numbers reinforced fears that the state is falling into another drought. The U.S. Bureau of Reclamation said Tuesday that most of the water agencies that rely on the Central Valley Project will get just 5% of their contract supply, a dismally low number. Although the figure could grow if California gets more rain and snow, the allocation comes amid fresh weather forecasts suggesting the dry winter is continuing. The National Weather Service says the Sacramento Valley will be warm and windy the next few days, with no rain in the forecast.

Related articles: 

Western Water California Groundwater Map Layperson's Guide to Groundwater Gary Pitzer

With Sustainability Plans Filed, Groundwater Agencies Now Must Figure Out How To Pay For Them
WESTERN WATER NOTEBOOK: California's Prop. 218 taxpayer law and local politics could complicate efforts to finance groundwater improvement projects

A groundwater monitoring well in Colusa County, north of Sacramento. The bill is coming due, literally, to protect and restore groundwater in California.

Local agencies in the most depleted groundwater basins in California spent months putting together plans to show how they will achieve balance in about 20 years.

Western Water Water Education Foundation

ON THE ROAD: Cosumnes River Preserve Offers Visitors a Peek at What the Central Valley Once Looked Like
Preserve at the edge of Sacramento-San Joaquin Delta includes valley oak forests and wintering grounds for cranes

Sandhill cranes gather at the Cosumnes River Preserve south of Sacramento.Deep, throaty cadenced calls — sounding like an off-key bassoon — echo over the grasslands, farmers’ fields and wetlands starting in late September of each year. They mark the annual return of sandhill cranes to the Cosumnes River Preserve, 46,000 acres located 20 miles south of Sacramento on the edge of the Sacramento-San Joaquin Delta.

Western Water California Water Map Gary Pitzer

Meet the Veteran Insider Who’s Shepherding Gov. Newsom’s Plan to Bring Climate Resilience to California Water
WESTERN WATER Q&A: Former journalist Nancy Vogel explains how the draft California Water Resilience Portfolio came together and why it’s expected to guide future state decisions

Nancy Vogel, director of the Governor’s Water Portfolio Program, highlights key points in the draft Water Resilience Portfolio last month for the Water Education Foundation's 2020 Water Leaders class. Shortly after taking office in 2019, Gov. Gavin Newsom called on state agencies to deliver a Water Resilience Portfolio to meet California’s urgent challenges — unsafe drinking water, flood and drought risks from a changing climate, severely depleted groundwater aquifers and native fish populations threatened with extinction.

Within days, he appointed Nancy Vogel, a former journalist and veteran water communicator, as director of the Governor’s Water Portfolio Program to help shepherd the monumental task of compiling all the information necessary for the portfolio. The three state agencies tasked with preparing the document delivered the draft Water Resilience Portfolio Jan. 3. The document, which Vogel said will help guide policy and investment decisions related to water resilience, is nearing the end of its comment period, which goes through Friday, Feb. 7.

Western Water Layperson's Guide to Groundwater Douglas E. Beeman

Water Resource Innovation, Hard-Earned Lessons and Colorado River Challenges — Western Water Year in Review
WESTERN WATER NOTEBOOK-Our 2019 articles spanned the gamut from groundwater sustainability and drought resiliency to collaboration and innovation

Smoke from the 2018 Camp Fire as viewed from Lake Oroville in Northern California. Innovative efforts to accelerate restoration of headwater forests and to improve a river for the benefit of both farmers and fish. Hard-earned lessons for water agencies from a string of devastating California wildfires. Efforts to drought-proof a chronically water-short region of California. And a broad debate surrounding how best to address persistent challenges facing the Colorado River. 

These were among the issues Western Water explored in 2019, and are still worth taking a look at in case you missed them.

Western Water California Groundwater Map Gary Pitzer

Recharging Depleted Aquifers No Easy Task, But It’s Key To California’s Water Supply Future
WESTERN WATER NOTEBOOK: A UC Berkeley symposium explores approaches and challenges to managed aquifer recharge around the West

A water recharge basin in Southern California's Coachella Valley. To survive the next drought and meet the looming demands of the state’s groundwater sustainability law, California is going to have to put more water back in the ground. But as other Western states have found, recharging overpumped aquifers is no easy task.

Successfully recharging aquifers could bring multiple benefits for farms and wildlife and help restore the vital interconnection between groundwater and rivers or streams. As local areas around California draft their groundwater sustainability plans, though, landowners in the hardest hit regions of the state know they will have to reduce pumping to address the chronic overdraft in which millions of acre-feet more are withdrawn than are naturally recharged.

Western Water California Water Map Gary Pitzer

California’s New Natural Resources Secretary Takes on Challenge of Implementing Gov. Newsom’s Ambitious Water Agenda
WESTERN WATER Q&A: Wade Crowfoot addresses Delta tunnel shift, Salton Sea plan and managing water amid a legacy of conflict

Wade Crowfoot, California Natural Resources Secretary.One of California Gov. Gavin Newsom’s first actions after taking office was to appoint Wade Crowfoot as Natural Resources Agency secretary. Then, within weeks, the governor laid out an ambitious water agenda that Crowfoot, 45, is now charged with executing.

That agenda includes the governor’s desire for a “fresh approach” on water, scaling back the conveyance plan in the Sacramento-San Joaquin Delta and calling for more water recycling, expanded floodplains in the Central Valley and more groundwater recharge.

Western Water Sacramento-San Joaquin Delta Map Gary Pitzer

Bruce Babbitt Urges Creation of Bay-Delta Compact as Way to End ‘Culture of Conflict’ in California’s Key Water Hub
WESTERN WATER NOTEBOOK: Former Interior secretary says Colorado River Compact is a model for achieving peace and addressing environmental and water needs in the Delta

Former Interior Secretary Bruce Babbitt gives the Anne J. Schneider Lecture April 3 at Sacramento's Crocker Art Museum.  Bruce Babbitt, the former Arizona governor and secretary of the Interior, has been a thoughtful, provocative and sometimes forceful voice in some of the most high-profile water conflicts over the last 40 years, including groundwater management in Arizona and the reduction of California’s take of the Colorado River. In 2016, former California Gov. Jerry Brown named Babbitt as a special adviser to work on matters relating to the Sacramento-San Joaquin Delta and the Delta tunnels plan.

Western Water California Groundwater Map Layperson's Guide to Groundwater Gary Pitzer

As Deadline Looms for California’s Badly Overdrafted Groundwater Basins, Kern County Seeks a Balance to Keep Farms Thriving
WESTERN WATER SPOTLIGHT: Sustainability plans required by the state’s groundwater law could cap Kern County pumping, alter what's grown and how land is used

Water sprinklers irrigate a field in the southern region of the San Joaquin Valley in Kern County.Groundwater helped make Kern County the king of California agricultural production, with a $7 billion annual array of crops that help feed the nation. That success has come at a price, however. Decades of unchecked groundwater pumping in the county and elsewhere across the state have left some aquifers severely depleted. Now, the county’s water managers have less than a year left to devise a plan that manages and protects groundwater for the long term, yet ensures that Kern County’s economy can continue to thrive, even with less water.

Announcement

A Bounty of San Joaquin Valley Crops on Display During Central Valley Tour
Act now, our April 3-5 tour is almost sold out!

The San Joaquin Valley, known as the nation’s breadbasket, grows a cornucopia of fruits, nuts and other agricultural products.

During our three-day Central Valley Tour April 3-5, you will meet farmers who will explain how they prepare the fields, irrigate their crops and harvest the produce that helps feed the nation and beyond. We also will drive through hundreds of miles of farmland and visit the rivers, dams, reservoirs and groundwater wells that provide the water.

Key California Ag Region Ponders What’s Next After Voters Spurn Bond to Fix Sinking Friant-Kern Canal
WESTERN WATER NOTEBOOK: Subsidence chokes off up to 60% of canal’s capacity to move water to aid San Joaquin Valley farms and depleted groundwater basins

Water is up to the bottom of a bridge crossing the Friant-Kern Canal due to subsidence caused by overpumping of groundwater. The whims of political fate decided in 2018 that state bond money would not be forthcoming to help repair the subsidence-damaged parts of Friant-Kern Canal, the 152-mile conduit that conveys water from the San Joaquin River to farms that fuel a multibillion-dollar agricultural economy along the east side of the fertile San Joaquin Valley.

Western Water Douglas E. Beeman

What Would You Do About Water If You Were California’s Next Governor?
WESTERN WATER NOTEBOOK: Survey at Foundation’s Sept. 20 Water Summit elicits a long and wide-ranging potential to-do list

There’s going to be a new governor in California next year – and a host of challenges both old and new involving the state’s most vital natural resource, water.

So what should be the next governor’s water priorities?

That was one of the questions put to more than 150 participants during a wrap-up session at the end of the Water Education Foundation’s Sept. 20 Water Summit in Sacramento.

Western Water Colorado River Basin Map California Water Map Gary Pitzer

Despite Risk of Unprecedented Shortage on the Colorado River, Reclamation Commissioner Sees Room for Optimism
WESTERN WATER NOTEBOOK: Commissioner Brenda Burman, in address at Foundation’s Water Summit, also highlights Shasta Dam plan

Bureau of Reclamation Commissioner Brenda BurmanThe Colorado River Basin is more than likely headed to unprecedented shortage in 2020 that could force supply cuts to some states, but work is “furiously” underway to reduce the risk and avert a crisis, Bureau of Reclamation Commissioner Brenda Burman told an audience of California water industry people.

During a keynote address at the Water Education Foundation’s Sept. 20 Water Summit in Sacramento, Burman said there is opportunity for Colorado River Basin states to control their destiny, but acknowledged that in water, there are no guarantees that agreement can be reached.

Western Water California Water Map Gary Pitzer

When Water Worries Often Pit Farms vs. Fish, a Sacramento Valley Farm Is Trying To Address The Needs Of Both
WESTERN WATER SPOTLIGHT: River Garden Farms is piloting projects that could add habitat and food to aid Sacramento River salmon

Roger Cornwell, general manager of River Garden Farms, with an example of a refuge like the ones that were lowered into the Sacramento River at Redding to shelter juvenile salmon.  Farmers in the Central Valley are broiling about California’s plan to increase flows in the Sacramento and San Joaquin river systems to help struggling salmon runs avoid extinction. But in one corner of the fertile breadbasket, River Garden Farms is taking part in some extraordinary efforts to provide the embattled fish with refuge from predators and enough food to eat.

And while there is no direct benefit to one farm’s voluntary actions, the belief is what’s good for the fish is good for the farmers.

Western Water California Groundwater Map Layperson's Guide to Groundwater Gary Pitzer

Vexed by Salt And Nitrates In Central Valley Groundwater, Regulators Turn To Unusual Coalition For Solutions
WESTERN WATER SPOTLIGHT: Left unaddressed, salts and nitrates could render farmland unsuitable for crops and family well water undrinkable

An evaporation pond in Kings County, in the central San Joaquin Valley, with salt encrusted on the soil. More than a decade in the making, an ambitious plan to deal with the vexing problem of salt and nitrates in the soils that seep into key groundwater basins of the Central Valley is moving toward implementation. But its authors are not who you might expect.

An unusual collaboration of agricultural interests, cities, water agencies and environmental justice advocates collaborated for years to find common ground to address a set of problems that have rendered family wells undrinkable and some soil virtually unusable for farming.

Western Water California Water Map Gary Pitzer

As Decision Nears On California Water Storage Funding, a Chairman Reflects on Lessons Learned and What’s Next
WESTERN WATER Q&A: California Water Commission Chairman Armando Quintero

Armando Quintero, chair of the California Water CommissionNew water storage is the holy grail primarily for agricultural interests in California, and in 2014 the door to achieving long-held ambitions opened with the passage of Proposition 1, which included $2.7 billion for the public benefits portion of new reservoirs and groundwater storage projects. The statute stipulated that the money is specifically for the benefits that a new storage project would offer to the ecosystem, water quality, flood control, emergency response and recreation.

Western Water Space Invaders Gary Pitzer

It’s Not Just Nutria — Sacramento-San Joaquin Delta has 185 Invasive Species, But Tracking Them is Uneven
WESTERN WATER NOTEBOOK: Delta science panel urges greater coordination, funding of invasive species monitoring

Water hyacinth choke a channel in the Sacramento-San Joaquin Delta.For more than 100 years, invasive species have made the Sacramento-San Joaquin Delta their home, disrupting the ecosystem and costing millions of dollars annually in remediation.

The latest invader is the nutria, a large rodent native to South America that causes concern because of its propensity to devour every bit of vegetation in sight and destabilize levees by burrowing into them. Wildlife officials are trapping the animal and trying to learn the extent of its infestation.

Western Water Water Education Foundation

ON THE ROAD: Cosumnes River Preserve Offers Visitors a Peek at What the Central Valley Once Looked Like
Preserve at the edge of Sacramento-San Joaquin Delta includes valley oak forests and wintering grounds for cranes

Sandhill cranes gather at the Cosumnes River Preserve south of Sacramento.Deep, throaty cadenced calls — sounding like an off-key bassoon — echo over the grasslands, farmers’ fields and wetlands starting in late September of each year. They mark the annual return of sandhill cranes to the Cosumnes River Preserve, 46,000 acres located 20 miles south of Sacramento on the edge of the Sacramento-San Joaquin Delta.

Western Water Layperson's Guide to the Delta

ON THE ROAD: Park Near Historic Levee Rupture Offers Glimpse of Old Sacramento-San Joaquin Delta
Big Break Regional Shoreline will be a stop on Bay-Delta Tour May 16-18

Visitors explore a large, three-dimensional map of the Sacramento-San Joaquin Delta at Big Break Regional Shoreline in Oakley. Along the banks of the Sacramento-San Joaquin Delta in Oakley, about 50 miles southwest of Sacramento, is a park that harkens back to the days when the Delta lured Native Americans, Spanish explorers, French fur trappers, and later farmers to its abundant wildlife and rich soil.

That historical Delta was an enormous marsh linked to the two freshwater rivers entering from the north and south, and tidal flows coming from the San Francisco Bay. After the Gold Rush, settlers began building levees and farms, changing the landscape and altering the habitat.

Western Water Gary Pitzer

SPOTLIGHT: Putah Creek, Yuba River and environmental water for fish
Two legal settlements are cited as examples where water was set aside for environmental needs

Lower Yuba RiverDespite the heat that often accompanies debates over setting aside water for the environment, there are instances where California stakeholders have forged agreements to provide guaranteed water for fish. Here are two examples cited by the Public Policy Institute of California in its report arguing for an environmental water right.

Announcement

Central Valley Tour Offers Unique View of San Joaquin Valley’s Key Dams and Reservoirs
March 14-16 tour includes major federal and state water projects

Get a unique view of the San Joaquin Valley’s key dams and reservoirs that store and transport water on our March Central Valley Tour.

Our Central Valley Tour, March 14-16, offers a broad view of water issues in the San Joaquin Valley. In addition to the farms, orchards, critical habitat for threatened bird populations, flood bypasses and a national wildlife refuge, we visit some of California’s major water infrastructure projects.

Tour

San Joaquin River Restoration Tour 2017

The 2-day, 1-night tour traveled along the river from Friant Dam near Fresno to the confluence of the Merced River. As it weaved across an historic farming region, participants learn about the status of the river’s restoration and how the challenges of the plan are being worked out.

Announcement

Enjoy Local Bounty on Our Central Valley Tour
Itinerary includes local restaurants and winery

Our tours are famous for not only being packed with diverse educational opportunities about California water, but showcasing local culture. Our Central Valley Tour on March 8-10 lets you unwind at a few San Joaquin Valley treasures and hear stories that go back generations.

Announcement

Explore Diverse Wildlife Habitat on Central Valley Tour
See how water is managed in ecologically fragile areas

Our water tours give a behind-the-scenes look at major water issues in California. On our Central Valley Tour, March 8-10, you will visit wildlife habitat areas – some of which are closed to the public – and learn directly from the experts who manage them, in addition to seeing farms, large dams and other infrastructure.

Announcement

Winter Rain Increases Flows on the San Joaquin River
March Central Valley water tour will analyze drought impacts

The recent deluge has led to changes in drought conditions in some areas of California and even public scrutiny of the possibility that the drought is over. Many eyes are focused on the San Joaquin Valley, one of the areas hardest hit by reduced surface water supplies. On our Central Valley Tour, March 8-10, we will visit key water delivery and storage sites in the San Joaquin Valley, including Friant Dam and Millerton Lake on the San Joaquin River.

Announcement

Go Deep into California’s Breadbasket to Explore Water Issues
First Foundation tour of 2017 traverses the San Joaquin Valley

The San Joaquin Valley has been hit hard by the six-year drought and related surface water cutbacks. Some land has been fallowed and groundwater pumping has increased. What does this year hold? Will these recent heavy storms provide enough surface water for improved water deliveries? 

Your best opportunity to see and understand this vital agricultural region of California is to join us on our annual Central Valley Tour, March 8-10.

Aquapedia background Layperson's Guide to Flood Management

ARkStorm

Sacramento's K Street during the 1862 flood that inundated the Central Valley.ARkStorm stands for an atmospheric river (“AR”) that carries precipitation levels expected to occur once every 1,000 years (“k”). The concept was presented in a 2011 report by the U.S. Geological Survey (USGS) intended to elevate the visibility of the very real threats to human life, property and ecosystems posed by extreme storms on the West Coast.

Aquapedia background

Salinity

Excess salinity poses a growing threat to food production, drinking water quality and public health. Salts increase the cost of urban drinking water and wastewater treatment, which are paid for by residents and businesses. Increasing salinity is likely the largest long-term chronic water quality impairment to surface and groundwater in California’s Central Valley.

Sustainable Groundwater Management Act (SGMA)

A man watches as a groundwater pump pours water onto a field in Northern California.A new era of groundwater management began in 2014 with the passage of the Sustainable Groundwater Management Act (SGMA), which aims for local and regional agencies to develop and implement sustainable groundwater management plans with the state as the backstop.

SGMA defines “sustainable groundwater management” as the “management and use of groundwater in a manner that can be maintained during the planning and implementation horizon without causing undesirable results.”

Publication

Water & the Shaping of California
Published 2000 - Paperback

The story of water is the story of California. And no book tells that story better than Water & the Shaping of California.

Publication

Water & the Shaping of California
Published 2000 - hardbound

The story of California is the story of water. And no book tells that story better than Water & the Shaping of California.

Video

Overcoming the Deluge: California’s Plan for Managing Floods (DVD)

This 30-minute documentary, produced in 2011, explores the past, present and future of flood management in California’s Central Valley. It features stories from residents who have experienced the devastating effects of a California flood firsthand. Interviews with long-time Central Valley water experts from California Department of Water Resources (FloodSAFE), U.S. Army Corps of Engineers, Bureau of Reclamation, Central Valley Flood Management Program and environmental groups are featured as they discuss current efforts to improve the state’s 150-year old flood protection system and develop a sustainable, integrated, holistic flood management plan for the Central Valley.

Video

Restoring a River: Voices of the San Joaquin

This 30-minute documentary-style DVD on the history and current state of the San Joaquin River Restoration Program includes an overview of the geography and history of the river, historical and current water delivery and uses, the genesis and timeline of the 1988 lawsuit, how the settlement was reached and what was agreed to.

Video

A Climate of Change: Water Adaptation Strategies

This 25-minute documentary-style DVD, developed in partnership with the California Department of Water Resources, provides an excellent overview of climate change and how it is already affecting California. The DVD also explains what scientists anticipate in the future related to sea level rise and precipitation/runoff changes and explores the efforts that are underway to plan and adapt to climate.

Video

Salt of the Earth: Salinity in California’s Central Valley

Salt. In a small amount, it’s a gift from nature. But any doctor will tell you, if you take in too much salt, you’ll start to have health problems. The same negative effect is happening to land in the Central Valley. The problem scientists call “salinity” poses a growing threat to our food supply, our drinking water quality and our way of life. The problem of salt buildup and potential – but costly – solutions are highlighted in this 2008 public television documentary narrated by comedian Paul Rodriguez.

Video

Salt of the Earth: Salinity in California’s Central Valley (20-minute DVD)

A 20-minute version of the 2008 public television documentary Salt of the Earth: Salinity in California’s Central Valley. This DVD is ideal for showing at community forums and speaking engagements to help the public understand the complex issues surrounding the problem of salt build up in the Central Valley potential – but costly – solutions. Narrated by comedian Paul Rodriquez.

Video

Delta Warning

15-minute DVD that graphically portrays the potential disaster should a major earthquake hit the Sacramento-San Joaquin Delta. “Delta Warning” depicts what would happen in the event of an earthquake registering 6.5 on the Richter scale: 30 levee breaks, 16 flooded islands and a 300 billion gallon intrusion of salt water from the Bay – the “big gulp” – which would shut down the State Water Project and Central Valley Project pumping plants.

Video

Shaping of the West: 100 Years of Reclamation

30-minute DVD that traces the history of the U.S. Bureau of Reclamation and its role in the development of the West. Includes extensive historic footage of farming and the construction of dams and other water projects, and discusses historic and modern day issues.

Video

Water on the Edge (60-minute DVD)

Water truly has shaped California into the great state it is today. And if it is water that made California great, it’s the fight over – and with – water that also makes it so critically important. In efforts to remap California’s circulatory system, there have been some critical events that had a profound impact on California’s water history. These turning points not only forced a re-evaluation of water, but continue to impact the lives of every Californian. This 2005 PBS documentary offers a historical and current look at the major water issues that shaped the state we know today. Includes a 12-page viewer’s guide with background information, historic timeline and a teacher’s lesson.

Maps & Posters

San Joaquin River Restoration Map
Published 2012

This beautiful 24×36 inch poster, suitable for framing, features a map of the San Joaquin River. The map text focuses on the San Joaquin River Restoration Program, which aims to restore flows and populations of Chinook salmon to the river below Friant Dam to its confluence with the Merced River. The text discusses the history of the program, its goals and ongoing challenges with implementation. 

Maps & Posters Groundwater Education Bundle

California Groundwater Map
Redesigned in 2017

California Groundwater poster map

Fashioned after the popular California Water Map, this 24×36-inch poster was extensively re-designed in 2017 to better illustrate the value and use of groundwater in California, the main types of aquifers, and the connection between groundwater and surface water.

Maps & Posters

California Water Map, Spanish

Spanish language version of our California Water Map

Versión en español de nuestro mapa de agua de California

Publication

Layperson’s Guide to the State Water Project
Updated 2013

The 24-page Layperson’s Guide to the State Water Project provides an overview of the California-funded and constructed State Water Project.

The State Water Project is best known for the 444-mile-long aqueduct that provides water from the Delta to San Joaquin Valley agriculture and southern California cities. The guide contains information about the project’s history and facilities.

Publication

Layperson’s Guide to Integrated Regional Water Management
Published 2013

The 24-page Layperson’s Guide to Integrated Regional Water Management (IRWM) is an in-depth, easy-to-understand publication that provides background information on the principles of IRWM, its funding history and how it differs from the traditional water management approach.

Publication

Layperson’s Guide to Flood Management
Updated 2009

The 24-page Layperson’s Guide to Flood Management explains the physical flood control system, including levees; discusses previous flood events (including the 1997 flooding); explores issues of floodplain management and development; provides an overview of flood forecasting; and outlines ongoing flood control projects. 

Publication California Water Map

Layperson’s Guide to California Water
Updated 2021

The 24-page Layperson’s Guide to California Water provides an excellent overview of the history of water development and use in California. It includes sections on flood management; the state, federal and Colorado River delivery systems; Delta issues; water rights; environmental issues; water quality; and options for stretching the water supply such as water marketing and conjunctive use. New in this 10th edition of the guide is a section on the human need for water. 

Publication

Layperson’s Guide to the Central Valley Project
Updated 2021

The 24-page Layperson’s Guide to the Central Valley Project explores the history and development of the federal Central Valley Project (CVP), California’s largest surface water delivery system. In addition to the project’s history, the guide describes the various CVP facilities, CVP operations, the benefits the CVP brought to the state and the CVP Improvement Act (CVPIA).

Publication Sacramento-San Joaquin Delta Map

Layperson’s Guide to the Delta
Updated 2020

The 24-page Layperson’s Guide to the Delta explores the competing uses and demands on California’s Sacramento-San Joaquin Delta. Included in the guide are sections on the history of the Delta, its role in the state’s water system, and its many complex issues with sections on water quality, levees, salinity and agricultural drainage, fish and wildlife, and water distribution.

Maps & Posters California Water Bundle

California Water Map
Updated December 2016

A new look for our most popular product! And it’s the perfect gift for the water wonk in your life.

Our 24×36-inch California Water Map is widely known for being the definitive poster that shows the integral role water plays in the state. On this updated version, it is easier to see California’s natural waterways and man-made reservoirs and aqueducts – including federally, state and locally funded projects – the wild and scenic rivers system, and natural lakes. The map features beautiful photos of California’s natural environment, rivers, water projects, wildlife, and urban and agricultural uses and the text focuses on key issues: water supply, water use, water projects, the Delta, wild and scenic rivers and the Colorado River.

Sea to Sierra Water Tour 2014
Rolling Seminar on California Water Issues (past)

The 2014 tour was held April 10 – 11.

Travel across the state on Amtrak’s famed California Zephyr, from the edge of sparkling San Francisco Bay, through the meandering channels of the Delta, past rich Central Valley farmland, growing cities, historic mining areas and into the Sierra Nevada mountain range.

Floodplains in California

Restored floodplain at Dos Rios Ranch Preserve near Modesto

With the dual threats of aging levees and anticipated rising sea levels, floodplains — low areas along waterways that flood during wet years — are increasingly at the forefront of many public policy and water issues in California.

Adding to the challenges, many floodplains have been heavily developed and are home to major cities such as Sacramento. Large parts of California’s valleys are historic floodplains as well.

Aquapedia background California Water Map Layperson's Guide to California Water

Pacific Flyway

The Pacific Flyway is one of four major North American migration routes for birds, especially waterfowl, and extends from Alaska and Canada, through California, to Mexico and South America. Each year, birds follow ancestral patterns as they travel the flyway on their annual north-south migration. Along the way, they need stopover sites such as wetlands with suitable habitat and food supplies. In California, 90 percent of historic wetlands have been lost.

Aquapedia background

Mendota Pool

The Mendota Pool, located at the confluence of the San Joaquin River and Kings River in California’s Central Valley, is the terminus of a long journey for water from the Sacramento River.

After being diverted, the Sacramento River water heads south from the Sacramento San Joaquin Delta via the 117-mile long Delta-Mendota Canal.

Aquapedia background

Environmental Issues and Water

Environmental concerns have closely followed California’s development of water resources since its earliest days as a state.

Early miners harnessed water to dislodge gold through hydraulic mining. Debris resulting from these mining practices washed down in rivers and streams, choking them and harming aquatic life and causing flooding.

Aquapedia background

Central Valley Wetlands and Riparian Habitat

In the Central Valley, wetlands—partly or seasonally saturated land that supports aquatic life and distinct ecosystems— provide critical habitat for a variety of wildlife.

Western Water Magazine

Meeting the Co-equal Goals? The Bay Delta Conservation Plan
May/June 2013

This issue of Western Water looks at the BDCP and the Coalition to Support Delta Projects, issues that are aimed at improving the health and safety of the Delta while solidifying California’s long-term water supply reliability.

Western Water Magazine

Nitrate and the Struggle for Clean Drinking Water
March/April 2013

This printed issue of Western Water discusses the problems of nitrate-contaminated water in small disadvantaged communities and possible solutions.

Western Water Magazine

Viewing Water with a Wide Angle Lens: A Roundtable Discussion
January/February 2013

This printed issue of Western Water features a roundtable discussion with Anthony Saracino, a water resources consultant; Martha Davis, executive manager of policy development with the Inland Empire Utilities Agency and senior policy advisor to the Delta Stewardship Council; Stuart Leavenworth, editorial page editor of The Sacramento Bee and Ellen Hanak, co-director of research and senior fellow at the Public Policy Institute of California.

Western Water Magazine

Hydraulic Fracturing and Water Quality: A Cause for Concern?
September/October 2012

This printed issue of Western Water looks at hydraulic fracturing, or “fracking,” in California. Much of the information in the article was presented at a conference hosted by the Groundwater Resources Association of California.

Western Water Magazine

Small Water Systems, Big Challenges
May/June 2008

This printed copy of Western Water examines the challenges facing small water systems, including drought preparedness, limited operating expenses and the hurdles of complying with costlier regulations. Much of the article is based on presentations at the November 2007 Small Systems Conference sponsored by the Water Education Foundation and the California Department of Water Resources.

Western Water Magazine

It Can Happen Here: Assessing California’s Flood Risk
November/December 2005

This issue of Western Water examines the extent to which California faces a disaster equal to or greater than the New Orleans floods and the steps being taken to recognize and address the shortcomings of the flood control system in the Central Valley and the Delta, which is of critical importance because of its role in providing water to 22 million people. Complicating matters are the state’s skyrocketing pace of growth coupled with an inherently difficult process of obtaining secure, long-term funds for levee repairs and continued maintenance.

Western Water Magazine

Flood Management 2004: A System in Peril
September/October 2004

This issue of Western Water analyzes northern California’s extensive flood control system – it’ history, current concerns, the Paterno decision and how experts are re-thinking the concept of flood management.