DAILY DIGEST, 8/25: Should CA expect more tropical storms like Hurricane Hilary?; Years after the blob, the Pacific still doesn’t look the same; Understanding the rhythms of rivers; Waiting on PG&E to figure out life after the Potter Valley Project; and more …


On the calendar today …

  • MEETING: Central Valley Flood Protection Board beginning at 9am. Agenda items include a legislative update, DWR monthly report, and Executive Officer’s Report. Click here for the full agenda and remote access instructions.
  • VIRTUAL PUBLIC MEETING: Human Dimensions of Salinity Management Focused Working Group from 10am to 11am.  As part of the Salinity Management Workshop Series, the Delta Science Program is hosting a working group meeting to explore the human dimensions of salinity management and help inform the direction of social science research in the Sacramento-San Joaquin Delta.  Attendees will participate in small group discussions to share their perspectives on the drivers and impacts of salinity in the Delta, provide input on possible salinity management actions, and identify groups of people whom the research team should reach out to for further interviews and focus groups.  Click here to register.

In California water news today …

Should California expect more tropical storms like Hurricane Hilary?

“California is notoriously dry this time of year. Yet, over the course of a single day this weekend, some desert areas were hit with more than a year’s worth of rainfall. Hurricane Hilary threw California into a state of emergency after more than 80 years without a tropical storm making landfall there. This kind of storm is unusual for California, and it will probably remain a rare occurrence. Even so, strange and extreme weather is a hallmark of climate change. And experts say it could have more curveballs in store that the state should be preparing for. “There probably will not be a whole lot more [hurricanes that move into the southwestern US] in the future. But when they do happen, they’ll be much more like Hilary,” says David Easterling, chief of the Climate Assessments Section and director of the National Climate Assessment Technical Support Unit at NOAA’s National Centers for Environmental Information. … ”  Read more from The Verge.

A marine heat wave off California helped fuel Hurricane Hilary. What’ll it do next?

“Last week, a massive marine heat wave sitting roughly 60 miles off California’s coast oozed eastward, providing warm water fuel for Hurricane Hilary and its historic trek north.  It was a worrisome development for researchers who have monitored this warm mass for nearly a decade — and who are watching a developing El Niño in the equatorial Pacific.  Ever since the “blob” appeared in the northeastern Pacific at the very end of 2013 — a massive marine heat wave that gripped the West Coast for nearly two years in heat and drought; disrupting marine ecosystems up and down the coast — a massive offshore heat wave has appeared nearly every year (with the exception of 2017 and 2018); expanding in the summer and shrinking in the winter. … ”  Read more from the LA Times. | Read via the Brunswick News.

Years after the blob, the Pacific still doesn’t look the same

“In late 2013, a mass of warm water now known as the Blob appeared in the northeast Pacific—a massive marine heatwave that cooked coastal ecosystems from Alaska to California. Later, bolstered by an El Niño, the vast and potent heatwave wreaked havoc on marine ecosystems: thousands of seabirds died, while blooms of harmful algae poisoned marine mammals and shellfish. The suddenly warmed water also brought an influx of new animals to the northeast Pacific: ocean sunfish appeared in Alaska, while yellow-bellied sea snakes popped up in Southern California.  By 2017, the Blob had waned and many of these more tropical species had retreated. Yet not all. Some of the species that colonized new habitats during the heatwave have stuck around. And now, says Joshua Smith, a marine ecologist at the Monterey Bay Aquarium in California who documented in new research how the Blob triggered a range of subtle yet persistent shifts in the spread of marine species, “I’m starting to sort of question whether those communities will ever look the way they did.” … ”  Read more from Hakai Magazine.

California drought: How Hilary’s historic rains impacted most parched cities

“Tropical Storm Hilary rolled through Southern California on Sunday, bringing widespread rain and flooding to the Mojave Desert, one of the few areas of California that remained in moderate drought last week.  On Thursday, the U.S. Drought Monitor released its weekly update showing the impact of those rains: Nearly all of Imperial, San Bernardino, Riverside and Inyo counties are now drought free.  It’s a remarkable turnaround compared with a year ago, when varying levels of drought plagued 99.76% of California. Now only 1.38% of California is experiencing moderate or worse drought, the least since February 2020. … ”  Read more from the San Francisco Chronicle.

Press release: Scientific report: Yearly greenhouse gas pollution from proposed sites dam and reservoir project would equal 80,000 gas-powered cars

“In the midst of a historic U.S. heatwave, Patagonia, the Ventura-based outdoor apparel company that has supported grassroots groups working to find solutions to the environmental crisis for more than four decades, and Friends of the River (FOR), one of California’s most respected conservation organizations, released a damning report on the dire environmental effects Sites Dam and Reservoir Project will have on California.  A new analysis using the comprehensive All-Res Modeling Tool has estimated the greenhouse gas emissions that would be caused by building and operating the Sites Dam and Reservoir Project. Over the 100-year expected life cycle of the Sites Project, it is predicted to emit approximately 362 million metric tons of CO2e or 362,000 metric tons of CO2e/year, the vast majority of which is methane. That’s the equivalent climate emissions of over 80,000 gasoline-powered passenger vehicles per year. … ”  Continue reading this press release from Friends of the River.

Understanding the rhythms of rivers: exploring natural hydrographs and the impact of dams on watersheds

“Dams create a number of issues for the overall health of a watershed. One of the primary issues is that they modify the volume (discharge) and timing of when and how water flows in the portion of the river downstream. Dams trap and store water in the wet periods of time, and then release additional water during the dry, hot periods of time to meet human need.  The graph which shows the amount of water flowing past a point over time is called a hydrograph. There are no specific guidelines for how much time a hydrograph has to represent. They can be for a single storm, a calendar year, a water year (October 1 through September 30), or for the entire period of record. … ”  Continue reading at the South Yuba River Citizens League.

CDFW releases 23 million fall-run Chinook salmon as fishing closure continues on ocean, rivers

“As the salmon fishing closure continues on California’s ocean waters and rivers, the California Department of Fish and Wildlife (CDFW) announced yesterday that it has completed the release of approximately 23 million juvenile fall-run Chinook salmon raised at its four Central Valley anadromous fish hatcheries.  These facilities include the Feather River Fish Hatchery, the Nimbus Fish Hatchery on the American River, the Mokelumne River Fish Hatchery and the Merced River Hatchery. … ”  Read more from the Daily Kos.

New database helps Californians understand proposed groundwater plans

“To achieve groundwater sustainability under California’s Sustainable Groundwater Management Act, or SGMA, demand management – policies that encourage water conservation – will be necessary, says Ellen Bruno, University of California Cooperative Extension specialist in quantitative policy analysis at UC Berkeley.  A key feature of the state’s approach to SGMA is that local groundwater sustainability agencies can develop their own plans for achieving sustainable groundwater use, allowing for local flexibility and experimentation.  Reflecting the open-ended nature of the law, Groundwater Sustainability Plans across the state include a variety of water conservation strategies. Many, but not all, GSPs include tools such as allocations, taxes or fees, pumping restrictions, or efficiency incentives. Understanding these policy choices is important because they will influence the economic costs of SGMA. … ”  Read more from UCANR.

Pacific Institute senior researcher co-authors U.S. EPA report on water reuse in underserved communities

“Underserved communities in the United States often struggle with water management issues such as aging infrastructure, financial constraints, and a rapidly changing climate, leading to serious water security concerns.  A new report ‘Lessons for Optimizing the Adoption of Water Reuse in Underserved Communities’ from the U.S. Environmental Protection Agency (EPA) is now available. Co-authored by Pacific Institute Senior Researcher of Public Policy & Practice Uptake Shannon Spurlock, the report is part of the National Water Reuse Action Plan (WRAP) Action 8.5. The report underscores the transformative potential of technical assistance, while highlighting the critical role of tailored water management approaches in combating the unique challenges these communities face.”  Click here to read the report from the Pacific Institute.

Healthy Watersheds, Healthy Communities Act seeks to bolster NRCS Program

“Lawmakers are looking to enhance resiliency to drought and flooding by making improvements to an important Natural Resources Conservation Service (NRCS) program. U.S. Senators Michael Bennet, Deb Fischer, and Jeff Merkley have introduced the Healthy Watersheds, Healthy Communities Act. The legislation seeks to make adjustments to the NRCS Watershed and Flood Prevention Operations program known as “PL-566.”  The proposed legislation aims to explicitly address drought resilience within the program’s scope. That would be achieved by amending policy declarations to include drought as a key natural resource concern. The legislation allows consolidation of planning for subwatersheds exceeding 250,000 acres, addressing historical disadvantages faced by Western interests. Such consolidation would allow for more comprehensive planning, enhancing project outcomes. … ”  Read more from Ag Net West.

We need to rethink wildfire in order to better protect ourselves

The blackened cars and homes and lawns in the images circulating after the Maui wildfires were dramatic, and rightfully so: It was the deadliest American wildfire in more than a century. More than 100 died from the flames.  A wildfire on a Hawaiian island might appear at first glance like an anomaly. But the factors that created it—heat, drought, and wind—make fires like this one a possibility across much of America. Driven by a changing climate, a century of forest mismanagement, and more development in fire–prone areas, devastating fires are becoming the norm. Those dramatic images can leave us feeling powerless in the overwhelming force of fire. But that doesn’t have to be the case. … ”  Continue reading at Time Magazine.

And lastly … Shark found on riverbank in landlocked Idaho causes alarm, officials say

“A shark was discovered on a riverbank in Idaho last week, alarming residents of the landlocked state, wildlife officials said.  Calls and emails reporting the unusual discovery on the shores of the Salmon River near Riggins inundated Idaho Fish and Game on August 15, the agency said.  Wildlife officials responded to the area and found what appeared to be a salmon shark. The salmon shark, named for its diet of salmon, can grow up to 10 feet long and weigh up to 1,000 pounds, officials said.  While the discovery near the freshwater river left officials scratching their heads, the agency assured the public not to be alarmed. … ”  Read more from Yahoo News.

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In commentary today …

Biden administration’s WOTUS rule hinders infrastructure progress

Matthew Hinck writes, “The Biden administration that spearheaded the Infrastructure Investment and Jobs Act in 2021 to revitalize our nation’s critical infrastructure is now the same administration pumping the breaks on its nationwide execution in 2023.  Earlier this year, the Biden administration issued a regulation defining “Waters of the U.S.” (WOTUS) under the Clean Water Act (CWA), which attempted to radically grow the footprint of the federal government on private land by giving it broad authority over ponds, ditches and even dry land that rarely holds water.  The overreaching WOTUS rule exacerbated an already complicated permitting process for aggregate companies like mine and threatened our industry’s ability to deliver high-quality raw materials for the country’s roads, bridges, airports, waterways and other critical infrastructure projects on time and within budget. The administration’s push for a sweeping expansion of federal authority jeopardizes the very industries responsible for carrying out its vision for robust, modernized infrastructure. … ”  Read more from the San Gabriel Valley Tribune.

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In regional water news and commentary today …

NORTH COAST

Water Talks: Waiting on PG&E to figure out life after the Potter Valley Project

“At the first meeting following a proposal for life after the Potter Valley Project, participants talked about money, conservation, water rights, and what to do next, in the absence of key information from the current owner of the project.  At the end of July, Sonoma Water, the Mendocino County Inland Water and Power Commission, and the Round Valley Indian Tribes made a proposal to PG&E about how to continue diverting water from the Eel River into the Russian River without Scott Dam and with a new kind of infrastructure where Cape Horn Dam is now. They hope that PG&E will include their proposal in its draft plan for decommissioning the project, which it will submit to regulators in November.  The three groups agreed to form a regional entity that could legally take on the water right and manage the diversion. But the other members of the Russian River Water Forum, a large group of representatives from interests in the Eel and Russian River watersheds, were not involved in negotiations with PG&E. Some, though not all, feel blindsided. … ”  Read more from the Redheaded Blackbelt.

MOUNTAIN COUNTIES

The state of salmon in California: Challenged

“For nearly 20 years, the South Yuba River Citizens League has been actively engaged in our Yuba Salmon Now campaign to help restore and strengthen native fisheries in the Yuba River watershed. Chinook, coho, and steelhead once thrived within California’s rivers and streams. … The last number of decades, though, have born witness to a significant decline in their populations. This decline is attributed to a culmination of factors including water damming and diversions, habitat degradation, the impacts of climate change, and persistent drought conditions. Regrettably, this decline has led to the complete disappearance of these species from numerous streams. … ”  Continue reading from the South Yuba River Citizens League.

Ninth Circuit takes up gold mining fight on eve of drilling

“A three-judge appeals panel has a week to rule in a case about exploratory gold drilling before work starts at the eastern Sierra Nevada site.  The case involves a Kore Mining Ltd. project to drill for gold on federal land. The U.S. Forest Service approved the project near Mammoth Lakes that would include 12 holes, 600 feet deep, on some 1,900 acres. The plan calls for vegetation clearing and building under a mile of temporary access roads. The mining company also will return the land to its natural slope afterward and sow native seeds. A biologist will monitor the site for three years once the project ends. … ”  Read more from the Courthouse News Service.

SACRAMENTO VALLEY

Turbid water in Butte Creek shows improvement

“Improvements to water quality in Butte Creek have been observed since a large soil slump accumulated Aug. 10 from water escaping downhill from a breach in the Butte Canal near Centerville.  PG&E Marketing and Communications Manager Paul Moreno said the large soil slump was observed Aug. 14 to have ceased adding turbidity to the creek, and monitors in the water have since shown turbidity continues to clear.  The Butte Canal breach continues to be under investigation by the California Department of Fish and Wildlife, according to Peter Tira, information officer for CDFW.  PG&E is also continuing an investigation into the cause of the canal breach, but has not reached a conclusion yet, according to Moreno. … ”  Read more from the Chico Enterprise-Record.

BLM begins restoration work at the Sacramento River Bend

The Sacramento River Bend Outstanding Natural Area. Photo by Bob Wick/BLM

“The Bureau of Land Management has begun watershed restoration and infrastructure improvements within the Sacramento River Bend Area of critical environmental concern in Tehama County, near Bend.  The Paynes Creek Crossing parking area access will be limited for public safety from Monday to early November for the improvements, according to the BLM.  Trails originating at the parking lot will not be affected. They will remain open and accessible by alternative routes.  BLM Redding Field Office Manager Jennifer Mata said visitor and staff safety is always BLM’s number one priority. … ”  Read more from the Red Bluff Daily News.

NAPA/SONOMA

Napa County supervisors take on groundwater issues

“Napa County supervisors are immersing themselves in groundwater issues that have implications for both Napa Valley vineyards and the Napa River.  The topic is the Napa Valley subbasin that holds groundwater beneath the valley floor from north of Calistoga to south of the city of Napa. Groundwater irrigates world-famous vineyards. It also feeds streams and the Napa River during hot summer months. “Something we’ve heard over the years is the streams and rivers are drying up because of groundwater pumping,” Supervisor Ryan Gregory said. “I’m sure it’s not that simple. … I’m ready to invest what we need to to really understand this issue.” … ”  Read more from the Napa Valley Register.

BAY AREA

Efforts to elevate Highway 37 get $155M boost

Efforts to improve state Highway 37, one of the Bay Area’s most problematic stretches of highway, connecting U.S. Highway 101 to Interstate Highway 80, will receive a significant boost with $155 million in funding.  The funds through the Bipartisan Infrastructure Law will be provided to a project, supported by state and local transportation agencies, that aims to elevate a part of the highway, U.S. Rep. Mike Thompson, said.in a statement Wednesday.  “State Route 37 is an essential thoroughfare that faces significant risk from rising sea levels, threatening the commute for the millions who rely on it every year,” Thompson noted. “The Bipartisan Infrastructure Law is the most significant investment in our country’s infrastructure since President Eisenhower’s interstate system, and now the State Route 37 project is receiving a major boost from this historic law.” … ”  Read more from NorCal Public Media.

Juvenile beaver makes first appearance in over 160 years in Palo Alto Baylands

“A young beaver was spotted in the Palo Alto Baylands this week, marking perhaps the beginning of the return of the aquatic herbivores after more than 160 years. Researchers, who have long sought its comeback, are thrilled.  The chubby critter scampered across a remote, open area near Matadero Creek and was photographed on the trail camera of baylands fox researcher Bill Leikam on Aug. 23. Leikam, aka The Fox Guy, is president and co-founder of the Urban Wildlife Research Project, a Palo Alto-based nonprofit organization dedicated to the study and habitat expansion of the baylands gray fox. … ”  Read more from the Redwood City Pulse.

CENTRAL COAST

Two sewage spills at Carmel Valley Ranch prompt health advisories.

“The amenities at Carmel Valley Ranch are lovely – from the oak-lined golf course, to the infinity hot tub, to the rooms with outdoor patio bathtubs, it’s luxury. There are poolside cocktails or a more decadent restaurant menu at Valley Kitchen (the menu even offers housemade baby food, for $9 a serving).  But behind the gloss for all of those resort guests, all of the resort guests need to, well, go. And the sewage system, owned and operated by California American Water, has twice overflowed and spilled in as many weeks, with potential impacts downstream on the Carmel River.  Both spills are believed to be due to clogged grease in the sewer lines, according to Marni Flagg, health program coordinator for the Environmental Health Bureau of the Monterey County Health Department. … ”  Read more from Monterey Weekly.

San Luis Obispo County’s crop value tops $1 billion

“Vegetable production values in San Luis Obispo County, Calif., jumped more than 25% in 2022, buoyed by higher lettuce, cilantro, and cauliflower prices.  The annual county crop and livestock report reported a record $1.084 billion in gross receipts to farmers and ranchers in the coastal county in 2022. The year was marked by continued drought and a host of costly challenges for producers. Avocado farmers reported yields of about half the tonnage per acre that they saw in 2021 from several weather-related issues, while cattle ranchers were forced to sell livestock at a lighter weight due to poor forage conditions and high supplemental feed costs. … ”  Read more from the Western Farm Press.

SAN JOAQUIN VALLEY

New Turlock Irrigation District reservoir near Keyes is tiny compared with Don Pedro. Here’s why it’s important

“The Turlock Irrigation District has completed a small reservoir that conserves water on part of its canal system. District leaders gathered at the site Tuesday to celebrate the $10 million project. It can handle excess Tuolumne River water on the Ceres Main Canal and a branch known as Lower Lateral 3. The reservoir is expected to save up to 10,000 acre-feet of water per year, which is only 1.5 % of TID’s typical deliveries. Officials said it is worthwhile nonetheless amid increasing droughts and state efforts to devote more river water to fish. … ”  Read more from the Modesto Bee.

Poso: Kern County’s recurring problem creek in search of a solution

“It’s no mystery why the tiny community of Pond was flooded out this last spring.  All you had to do was drive four miles south to see the massive pile of debris at the Highway 43 bridge to know all that water churning through the normally dry Poso Creek was going bust out and go somewhere.  It did.  And it headed straight for Pond.  For generations, the Poso has been an intermittent problem child – bone dry most years, then swelling beyond its banks about every six to 10 years, flooding towns, vital roadways and thousands of acres of farmland northwest of Wasco.  Why does it keep happening? … ”  Read more from SJV Water.

Kern River to get a new Watermaster, but one with a familiar name

“Art Chianello will step in as the new Kern River Watermaster at the start of the new water year, which is Oct. 1.  Chianello, who retired as head of the City of Bakersfield’s Water Resources Department in Sept. 2022, is extremely famliar with the inner workings of the Kern River as a large chunk is owned by the city.  In his new role, he will review river records as kept by the city and work as the liaison between the Army Corps of Engineers, which owns and operates Lake Isabella, and the Kern River “interests,” those entities with water rights on the river. Kern River interests include, Bakersfield, the Kern County Water Agency, Kern Delta Water District and the Buena Vista and North Kern water storage Districts. … ”  Read more from SJV Water.

EASTERN SIERRA

Ridgecrest: Indian Wells Valley Groundwater Authority under fire for lack of communication in pipeline project

“Attendees of the Imported Water Pipeline Project Scoping Meeting accused the Indian Wells Valley Groundwater Authority of failing to give proper notice of initial environmental studies that took place or that the period to make public comments expires on Aug. 31.  Dena Giacomini, principal planner/biologist for Provost & Pritchard Consulting Group and project manager for the environmental compliance portion of the project, facilitated the scoping meeting on behalf of the Indian Wells Valley Groundwater Authority (IWVGA) held Wednesday evening at the Kerr McGee Center. The meeting was held in compliance with the California Environmental Quality Act (CEQA) and addressed how the Indian Wells Valley could obtain sustainable water supplies by local authorities. … ”  Read more from the Ridgecrest Independent.

SAN DIEGO

This endangered toad is experiencing a resurgence thanks to storms like Hilary and a San Diego water district

“An endangered toad in San Diego’s East County is having a bit of a resurgence thanks to a couple of storms like Hilary and a large hole in the bottom of a dam.  “This is perfect habitat for the arroyo toad,” said Sweetwater Authority Biologist Pete Famolaro while standing in a Sweetwater River watershed near the Loveland Reservoir.  “They’re probably about the size of a penny,” said Famolaro while holding the tip of his index finger to the base of his thumb.  Famolaro said he’s studied the arroyo toad since the 1990s when it first became apparent the species was endangered. The fact that California is regularly hampered by drought doesn’t help.  “They need water in order to breed and that’s what ties us to the river, is their need to breed,” he explained. … ”  Read more from NBC 7.

San Diego County Water Authority sues over water agency exit fees

“The San Diego County Water Authority announced that it has filed suit against the San Diego Local Agency Formation Commission (LAFCO), challenging LAFCO’s decision to allow two local water agencies to leave the Water Authority without paying certain fees.  In July 2023, LAFCO allowed the Fallbrook and Rainbow water agencies to leave the Water Authority. The agencies would instead get their water supply from Riverside County, in hopes of cheaper water rates. The authority says that this would increase water rates for the rest of the area’s water agencies, claiming that it would lead to $140 million in costs to the rest of its service area over the next decade. … ”  Read more from Water World.

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Along the Colorado River …

Column: Are the rains helping Lake Mead? What the question says about our water outlook

Lake Mead, August 2022, by USBR Photographer. Christopher Clark

Opinion columnist Joanna Allhands writes, “You can understand our optimism.  It hadn’t rained in Phoenix for four months. Other parts of the West were hot and dry.  Then came the big one: Hurricane Hilary.  While rainfall totals were disappointing in Phoenix, the storm did dump quite a few inches on California and Nevada.  Areas near Lake Mead got pelted, leading a bunch of folks to presume that the nation’s largest water reservoir would get a decent boost from the rainfall.  But that’s not how it works. … ”  Read more from the Arizona Central.

California farmers: Glen Canyon Dam a major problem in West’s water supply

“California farmers are putting a big target on Glen Canyon Dam, telling the federal government it’s time to take a serious look at suggestions to stop using the dam to produce electricity.  Talk of decommissioning the dam has been on the fringe of criticism of U.S. Bureau of Reclamation management of the Colorado River, but it could gain momentum as public comment is released in the coming days. Reclamation asked for input as it works on the Environmental Impact Statement (EIS) for managing the river as the Colorado River Compact — the “Law of the River” — nears expiration in 2026.  More than 21,000 comments were submitted, and they are expected to be publicly available in the coming days. Conservation groups, government agencies, businesses and private citizens all weighed in. Public comment ended on Aug. 15. … ”  Read more from KLAS.

SEE ALSO: Some want Lake Powell drained, others worry about potential impact, from Fox 13

Federal court stops oil project near Colorado River—for now

Fears, concerns, and legal challenges over a proposed oil train route along the Colorado River were finally addressed in federal court last week. Until then, plans for the Uinta Basin Railway project, which would ferry vast amounts of crude oil from northeast Utah eastward alongside the Colorado River, sailed through federal agencies tasked with approving large transportation projects. But then the U.S. Court of Appeals in Washington, DC, successfully challenged the project’s environmental impact assessments, siding with the railway’s opponents and striking a blow against what would have been the largest petroleum corridor in the United States. … ”  Read more from Mother Jones.

Colorado’s river commissioner calls for ‘clear’ boundaries and expectations on water guidelines

“Since taking up a new capacity as Colorado’s full-time commissioner on the Upper Colorado River Commission, Becky Mitchell said she has dedicated herself to full-time protection of Colorado and the significant interest the state has in the Colorado River.  Up until recently, Mitchell held a dual role: commissioner and director of the Colorado Water Conservation Board. With the board’s blessing, and with the workload increasing for everyone tied to the renegotiations for Colorado River operations set to expire in 2025, the 2023 General Assembly split the job and put Mitchell on full-time with the Upper Colorado commission. Tuesday, Lauren Ris was named Mitchell’s replacement on the state water board.   On the final day of 2023 Colorado Water Congress, Mitchell told the audience her full-time dedication is representative of the importance the river holds for Colorado. … ”  Read more from Colorado Politics.

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In national water news today …

All about PFAS, the ‘forever chemicals’ that US and EU are targeting

“What do you do about lab-made chemicals that are in 99% of people in the US and have been linked to immune system problems and cancer? Whose bonds are so stable that they’re often called “forever chemicals?” Meet PFAS, a class of chemicals that some scientists call the next DDT. For consumers, they are best known as components in products such as Scotchgard and Teflon. For businesses, PFAS — which are used to make hundreds of everyday products, from stents to firefighting foams — are a puzzle that has already created billions of dollars worth of liabilities. But 70 years of unchecked proliferation are ending. The US government is engaged in a sweeping multi-agency effort to reduce their presence in the nation’s air, water, land and food, and European Union regulators are also cracking down. … ”  Read more from the Washington Post.

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Water and climate update…

The Natural Resources Conservation Service produces this weekly report using data and products from the National Water and Climate Center and other agencies. The report focuses on seasonal snowpack, precipitation, temperature, and drought conditions in the U.S.

dmrpt-20230824_0

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Also on Maven’s Notebook today …

APPLY NOW: UnTapped Fellowship Program 2024

NOW AVAILABLE: Plain language summaries: Indicators of Climate Change in California

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About the Daily Digest: The Daily Digest is a collection of selected news articles, commentaries and editorials appearing in the mainstream press. Items are generally selected to follow the focus of the Notebook blog. The Daily Digest is published every weekday with a weekend edition posting on Sundays.

 

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