Sustaining Pajaro Valley’s Water

Water Supply



19
Mar

Sustaining Pajaro Valley’s Water

The farms that create the economic engine of Pajaro Valley operate at different scales. Some growers are small, while others have labels you might recognize from the grocery store: Martinellis, Driscolls, California Giant, to name a few. Regardless of the amount of acreage under management, one thing that the farmers share is that most of their water comes from the ground. How to best handle the area’s diminishing supply of groundwater has occupied local water managers for decades.
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22
Jan

Researchers hope new computer models will help clarify the effects of entrainment on the population of endangered Delta smelt.

Entrainment at the South Delta pumps of the State Water Project and the Central Valley Project has been a concern for years, but disentangling its impact on the dwindling smelt population from those of other environmental and water management factors isn’t easy, and operational differences between the SWP and CVP facilities complicate analysis. Now, US Fish and Wildlife Service statistician Will Smith has developed computer models for entrainment effects on different smelt life stages, part of a larger Delta Smelt Life Cycle project being rolled out this month; his model of adult smelt entrainment was published in the December issue of San Francisco Estuary and Watershed Science (a separate model for postlarval smelt will appear in another journal). “Adults exhibit...
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19
Sep

State Plan Doubles Down on Alignment

The California Water Plan Update 2018—released by the Department of Water Resources in July—is meant to guide state policy and investment over the next 50 years to maximize the benefits squeezed out of every drop of the water supply. The timing of Update 2018 is fortuitous: In April, Governor Newsom ordered the California Natural Resources Agency, California Environmental Protection Agency, and California Department of Food and Agriculture to develop a portfolio of water resilience strategies.
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19
Sep

New Regional Rainmaker

Environmental issues were important to Michael Montgomery as a young man. Montgomery’s career path led to 33 years with the United States Environmental Protection Agency, where he gained a wealth of experience in navigating complex regulatory landscapes to protect water resources, and ultimately to the San Francisco Bay Regional Water Quality Control Board, where he is now executive officer.
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13
May

Joaquin Esquivel is impatient with the narrative that has dominated California water policy for decades, especially when it comes to the Delta and the eternal tug-of-war between farms, cities and the environment.

“For so long in the water space you’ve had these false dichotomies where you are being told you have to choose one or the other,” says Esquivel, who Governor Gavin Newsom appointed Chair of the State Water Resources Control Board in February. “These narratives can fuel themselves, they take root in communities, but they don’t really do much to get to the heart of the policy question.” A native of the Coachella Valley, Esquivel served on the State Board for two years prior to his appointment. He cites literature as a particular passion, and had planned on a career in academia before a college internship in former Senator Barbara Boxer’s Washington, D.C. office turned into a full-time job. “What I...
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20
Mar

Choppy Waters for Flow Rules

The winter kicked off with the State Water Resources Control Board’s December vote to adopt increased flow objectives for the southern Delta. The vote provoked an immediate volley of lawsuits, both from water users and from environmental organizations. “Governor Newsom has staked out turf against the Trump Administration,” says San Francisco Baykeeper’s Jon Rosenfield...
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13
Feb

Estuary’s Question of the Month: What is the weirdest species in the Estuary and why?

A fall flight over the Mexican coast where the Colorado River meets the Sea of Cortez offered me a gut-punching, eye-screwing, visual on the results of impaired flow. The semantics of ‘unimpaired’ and ‘impaired’ flow have laced the language of California water management debates since some engineer invented these politically ‘neutral’ terms long ago. The terms refer to our alteration of freshwater flows from snowmelt and runoff by dams and diversions. But whatever the labels, or whichever estuary you’re referring to, keeping these flows from reaching the sea via rivers can starve these aquatic ecosystems of their liquid life force. Whether it’s the vast yellowing salt flats that are all that remain of the mighty marshes of the pre-dam Colorado...
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13
Dec

Estuary Partners Choose their Battles Coast to Coast

A boatload of estuary experts from around the country gathered on an early October day to tour the prettiest part of San Francisco Bay. They paid rather less attention to Alcatraz and the Golden Gate than to each other. In town for the National Estuary Program’s annual Tech Transfer Conference, they had come to compare notes and strategies from the 28 varied bays, bights, bayous, and river mouths that benefit from one of the nation’s most durable, and efficient, environmental laws. In 1987 amendments to the Clean Water Act, Congress proclaimed selected tidewater regions to be “estuaries of national significance” and offered money to help local coalitions take on environmental problems there. Through all the political gyrations since, a thin...
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13
Dec

Reflowing the Sierra to the Sea

The semantics of ‘unimpaired’ and ‘impaired’ flow have laced the language of California water management debates since some engineer invented these politically ‘neutral’ terms long ago. The terms refer to our alteration of freshwater flows from snowmelt and runoff by dams and diversions. But whatever the labels, or whichever estuary you’re referring to, keeping these flows from reaching the sea via rivers can starve these aquatic ecosystems of their liquid life force.
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26
Sep

Recent Milestones for the Twin Tunnels and WaterFix

Spring and summer 2018 saw frenzied activity around California WaterFix, the latest iteration of a decades-long, on-again-of-again effort to convey fresh water from the Sacramento River to the South Delta while bypassing the Delta itself. Governor Jerry Brown has made WaterFix a top priority, but the project – including twin tunnels comprising the largest infrastructure project in state history – still faces a raft of uncertainties.
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13
Aug

Innovative stormwater management strategies throughout California are pioneering new ways to capture and use stormwater to augment local water supplies and prepare for climate change, according to a new report.

“Stormwater has traditionally been considered a nuisance or danger in terms of flooding and water quality,” says the Pacific Institute’s Morgan Shimabuku, lead author of Stormwater Capture in California: Innovative Policies and Funding Opportunities, “But we’re starting to see it as more of a resource with potential for water supply.” Shimabuku notes that stormwater capture is also “a great strategy for adapting to climate change, alleviating the impact of high-intensity rainstorms and reducing dependence on other water sources in times of drought.” The report describes innovations in stormwater management in the Bay Area and beyond, including recent San Francisco ordinances that require builders of projects with large impervious surfaces to install and maintain stormwater capture infrastructure; projects larger than 250,000...
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15
Jun

The Quiet Go-To Guy: Carl Morrison

When Carl Morrison died in a crash of his small plane near Petaluma this past April, the press noted the loss of a family man, Civil Air Patrol commander, Marine Corps Veteran, and pious Mormon. The shock also reverberated through the world of Bay Area flood control and water agencies, for whom Morrison was indispensable. As his Bay Area business expanded, Morrison eased his commute by training as a pilot and acquiring a small plane. People marveled at how many places he seemed to be. “There must have been more than one of him,” says Napa County’s Rick Thomasser. A man of formal habits, Morrison never dressed down for field-work. His peers might smile at that, but they cherished his...
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02
May

Infrastructure improvements could provide safe drinking water to tens of thousands of Californians currently living without it, but funding such improvements remains a challenge.

Many communities in rural, unincorporated San Joaquin Valley are served by water systems high in nitrates and arsenic, or private wells not subject to inspection. But according to a new UC Davis study, about 99,000 valley residents live near public systems with clean water and could access it if service extensions, piping and other infrastructure improvements were implemented. Pending state legislation would create a fund for such projects through fees imposed on water districts. While the bill faces opposition from water agencies, it is supported by groups typically at odds, including environmental advocates and farmers. “This is a problem generations in the making, and we need long-term solutions,” says Jonathan London of UC Davis’ Center for Regional Change and lead...
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15
Dec

All In for One Water

As climate change threatens to upend precipitation patterns and disrupt water supplies, agencies are increasingly searching for ways to wring more benefits out of every drop. Valley Water (Santa Clara) is seeking to take integrated water management planning to the next level through its One Water initiative. “The idea is to manage all water — treated water, groundwater, stormwater, flood water, water for habitat, species and Baylands — as one resource,” says the District’s Brian Mendenhall.
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14
Dec

After the Burn Comes the Rain

When fire strikes upper watersheds like it did last October, responses can vary widely depending on land use and ownership. “We view wildfire as a natural process,” says Cyndy Shafer of California State Parks. Wildlands and backcountry areas have largely been left alone, but it’s a different story when lands are managed not for ecosystems but for drinking-water quality. “You want to minimize the erosion that occurs on site,” says Scott Hill of the East Bay Municipal Utility District, “we don’t want sediment in our storage reservoirs.” What’s best must be considered on a case-by-case basis.
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13
Dec

Cold Curtain

Cold water, essential for the life cycle of Chinook salmon, is all too often in short supply along the Sacramento River. Two clever innovations have been implemented to conserve cold water into the autumn. First: A 300 foot tall, 250 foot wide “adjustable straw” possessing a series of intake gates enables power plant operators to draw water from behind the dam at three different depths. Second: A 40 foot tall rubber sheet.
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05
Oct

Indecision Point

The Delta Stewardship Council was created in 2009 but given no say over a pending dual tunnels plan. The state was pushing a grand program called the Bay-Delta Conservation Plan. However, the BDCP was abandoned in 2015 in favor of two new, independent programs: EcoRestore and California WaterFix (popularly known as the twin tunnels). Rather than adopt a new policy on conveyance, the council has simply framed its discussion of the tunnels as another recommendation.
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Bridges - public shore
26
Sep

Drought Contingency

Motivated by the recent drought, local water agencies have formed an unprecedented partnership aimed at reducing the impact of future dry spells. The Bay Area Regional Reliability partnership consists of eight of the region’s larger water districts. “For the first time in the history of water deliver in the Bay Area, the water utilities are talking about how to assist each other when there is a shortage.”
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20
Jun

EBMUD Experiments With Pipe Replacement

On average, underground water distribution pipes can last about 100 years. EBMUD owns and maintains roughly 4,200 miles of them. And it replaces about ten miles per year. At that rate it would take four centuries to replace the whole system: an approach one could charitably call unsustainable even if all the pipes were brand-new today.
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09
Mar

Keeping the Salt Field at Bay II

After four of California’s driest years on record, our “wet” season was so dry that state water officials panicked.Major reservoirs were drawn way down, and record-low snowpack would limit replenishment to a trickle. Water managers worried about the hot, dry months. Would reservoirs still hold enough for freshwater releases to keep saltwater from pushing deep into the Sacramento-San Joaquin Delta? So they built a barrier to block salt instead.
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