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A French language immersion school in Clairemont Mesa became the fourth campus in San Diego where water was found to have unsafe levels of lead, city officials said Thursday. At a meeting of the City Council’s Environment Committee, officials with the Public Utilities Department said La Petite Ecole was one of numerous schools to ask the city for testing. Unsafe levels of lead were previously discovered at three San Diego Unified School District Schools — Birney Elementary School in University Heights, Emerson-Bandini Elementary School and San Diego Cooperative Charter. The latter two share a campus in Southcrest.

A decades-old effort to restore water and salmon to California’s second largest river is on the chopping block under a proposal by House Republicans to speed up dam projects and increase diversions to farmers. The legislation would override federal and state restoration projects on the San Joaquin River as well as allow for increased pumping of California’s vital water source, the Sacramento-San Joaquin River Delta.  It would limit safeguards for Chinook salmon and other species protected by the Environmental Species Act and diminish water deliveries to wildlife refuges during drought periods.

When Senior Park Ranger Maureen Beckman started patrolling Carbon Canyon Regional Park about five years ago, there was one thing she heard most often: Don’t be the ranger who kills the redwoods. Tucked into the south end of the park about a mile’s hike from the nearest parking lot is a three-acre grove of 242 coastal redwood trees – the tallest standing about 100 feet. Nearly two years ago, with California in a severe drought and water rationed by local governments, the thirsty redwood trees were in peril.

The San Diego County Water Authority this week issued a Request for Proposals for a potential joint energy storage projectwith the City of San Diego that could lessen upward pressure on water rates and also increase opportunities for renewable energy penetration throughout the region by leveraging existing infrastructure at San Vicente Reservoir. The potential project would consist of a closed-loop interconnection and pumping system between the existing San Vicente Reservoir (which is owned by the City of San Diego) near Lakeside and a new, smaller reservoir located uphill. The system could provide up to 500 megawatts of renewable energy.

San Diego County Water Authority is seeking proposals for a potential 500MW joint pumped storage project at San Vicente Reservoir with the City of San Diego. The potential project is expected to not only increase renewables penetration, but can also lessen pressure on water rates throughout the region by using existing infrastructure. The project would consist of closed-loop interconnection and pumping system between the existing reservoir and a new smaller reservoir located uphill. With a potential to produce 500MW of renewable energy, water from the downhill can be pumped uphill during off-peak times.