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DEWA To Use Solar To Power New Pumped-Storage Project

/in , /by /pv magazine Internationalby Emiliano Bellini Mentioned: San Diego County Water Authority

The Dubai Water and Electricity Authority will use energy from the gigawatt-scale Mohammed Bin Rashid Al Maktoum Solar Park to provide a new hydropower plant with pumped storage capacity. The state-owned utility has announced a number of innovations for the project in recent months, including plans for hydrogen and large-scale storage capacity. The Dubai Water and Electricity Authority (DEWA) has revealed it will use output from its 5 GW Mohammed bin Rashid Maktoum Solar Park to provide energy for a newly tendered 250 MW pumped-storage hydroelectric power station at Hatta, an inland exclave of the emirate of Dubai in the United Arab Emirates.

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Study Raises Questions About Fluoride And Children’s IQ

/in , /by /The Washington Postby Ben Guarino

A study of young children in Canada suggests those whose mothers drank fluoridated tap water while pregnant had slightly lower IQ scores than children whose mothers lived in non-fluoridated cities. But don’t dash for the nearest bottled water yet. Health experts at the American Academy of Pediatrics and the American Dental Association cautioned that public policy and drinking water consumption should not change on the basis of this study. “I still stand by the weight of the best available evidence, from 70 years of study, that community water fluoridation is safe and effective,” said Brittany Seymour, a dentist and spokeswoman for the American Dental Association. “If we’re able to replicate findings and continue to see outcomes, that would compel us to revisit our recommendation. We’re just not there yet.”

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Helix Water District, Sweetwater Authority Offer Smart Leak Detector Rebates

/in , /by /Water News Network

The Helix Water District has rolled out a new smart leak detector rebate program. Helix and Sweetwater Authority customers can get a rebate of up to $100 when they purchase a smart leak detector. The detectors sync to smartphones, allowing customers to monitor water use 24/7 via smartphone and the devices notify customers of leaks and water consumption amounts. There are two types of smart leak detectors: plumbed devices and external devices, according to Helix. Plumbed devices are plumbed into your existing water lines. Most of these devices can automatically shut the water off at their point of installation, or allow you to shut your water off remotely, in case of a leak.

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Proposal Would Allow Oil Companies Keep Injecting Wastewater Into Kern County Aquifers

/in , , /by /Palm Springs Desert Sunby Janet Wilson

California regulators are negotiating an agreement with two major oil companies that would allow them to keep injecting millions of gallons of wastewater into potential drinking water and irrigation supplies in the Central Valley for three years. The voluntary plan would allow Aera Energy (which was jointly formed by Shell Oil and Exxon Mobil) and California Resources Corp. to continue to inject fluid remnants of oil extraction into 94 wells that discharge into shallow groundwater aquifer zones in Kern County. The negotiations frustrate groups like Clean Water Action, a national environmental organization, which argues that injecting into the aquifers violates the federal Safe Drinking Water Act, and should cease now, not in three years.

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Goleta Water District Updates Permit To Sell Recycled Water To Ag Users

/in , /by /Noozhawk (Santa Barbra, Calif.)by Giana Magnoli

The Goleta Water District has updated its recycled water permitting so it can now sell to agricultural customers, although not many of them are interested in buying. Recycled water, which the district has produced and sold since 1997, cannot be used for groundwater recharge, but was used for landscape irrigation, construction dust control, industrial cooling, and toilet and urinal flushing. State law has allowed more uses in the intervening years, and with a modernized permit, the district can now sell recycled water for agricultural irrigation and industrial and manufacturing uses, said Ryan Drake, the district’s water supply and conservation manager.

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Facing Water Crunch, Clovis Gets To Work On Drought Resiliency

/in , /by /The San Joaquin Valley Sunby George Hostetter

When it comes to securing a strong future for water deliveries, Fresno City Hall through its half-billion-dollar Recharge Fresno project gets a lot of hard-earned publicity of the good sort. But don’t overlook the fine work being done in a similar regard by Clovis City Hall. Fresno’s neighbor to the northeast is busy making sure it, too, is drought resilient during what figures to be a 21st century full of impressive growth. The Clovis City Council in July approved an amended deal with the Fresno Irrigation District concerning the conveyance of Kings River water to the city’s water system.

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Odor Advisory Issued For Salton Sea Area; Hydrogen Sulfide Leads To Rotten-Egg Smell

/in , /by /Los Angeles Timesby Carlos Lozano

An odor advisory was issued Sunday for the Salton Sea area in Riverside County due to elevated levels of a gas that smells like rotten eggs, according to state air regulators. The advisory was issued for the Coachella Valley and will remain in effect until at least Monday because of winds from the south, with peak concentrations of hydrogen sulfide emissions occurring in the morning hours, the South Coast Air Quality Management District said in a statement. “Hourly average concentrations of hydrogen sulfide peaked [Sunday] morning at 239 parts per billion immediately downwind of the Salton Sea – at a monitor close to the shore, in an area with little population,” the district said.

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Can Water Agencies Work Together Sustainably? – Lessons From Metropolitan Planning

/in , , /by /California WaterBlogby Jay Lund

It is said that, “In the US, we hate government so much that we have thousands of them.” This decentralization has advantages, but poses problems for integration. Integration is easy to say, and hard to do. Integration is especially hard, and unavoidably imperfect, for organizing common functions across different agencies with different missions and governing authorities. (Similar problems exist for organizing common functions across programs within a single agency.) Much of what is called for in California water requires greater devotion of leadership, resources, and organization to multi-agency efforts.

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How Ground-Based GPS Stations Help Weather Forecasters Predict Heavy Rain And Flooding

/in , /by /The Sacramento Beeby John Lindsey

Geodesy is the study of Earth’s shape, gravity field and rotation. An excellent method to study the Earth is by use of high-precision Continuous Global Positioning System (CGPS) stations that are firmly mounted on bedrock and can measure the slow, persistent ground motion of Earth’s crustal plates down to a few millimeters over time. In the western United States, there are more than 1,200 CGPS stations, including more than 25 on the Central Coast. A few of these stations are classified as Global Positioning System Meteorology (GPS-Met), such as the ones located in Cambria, Los Osos and Point Sal.

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6 Things To Know About Cadiz’s Plan To Pump Water In San Bernardino County’s Mojave Desert

/in , , /by /The San Bernardino Sunby Sandra Emerson

The story behind a proposal to pump water from under the Mojave Desert in San Bernardino County is a long and complicated one. Since its approval in 2012, the Cadiz Valley Water Conservation, Recovery and Storage Project has been tied up in litigation from environmental groups, fought over in the state legislature and faced hurdles by state and federal government officials. Here’s more about the Cadiz water project: 1. Who’s behind it? The project is a partnership between Cadiz Inc., a Los Angeles-based natural resources company, and several Southern California water agencies. The company owns about 35,000 acres with water rights in San Bernardino County.

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