Posts tagged with "Reservoirs":

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Los Angeles unleashes 96 million “Shade Balls” into its reservoirs to help conserve water

What appears to be an explosive invasion of tiny black orbs is actually one small part of the solution to Los Angeles' four-year drought. Colloquially called "shade balls," these 36 cent buoyant spheres are a part of a $34.5 million water quality protection project by the Los Angeles Department of Water and Power (LADWP). The department deployed the last 20,000 of the approximately 96 million shade balls this past week. The simple technology helps prevent water contamination and evaporation. According to NPR, LADWP General Manager Marcie Edwards applauded the innovative alternative to a dam and tarp solution, which would have cost a whopping $300 million. "This is a blend of how engineering really meets common sense," Edwards told NPR. "We saved a lot of money; we did all the right things." The 4-inch-diameter polyethylene balls, produced by California startup XavierC, help slow evaporation and are chemically coated to block ultraviolet rays that can potentially cause a chemical reaction that could produce the cancer-causing chemical bromate. The hollow, water filled plastic spheres are expected to save 300 million gallons of water annually, enough to quench the thirst of 8,100 individuals a year.
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An Inland Beach for Los Angeles’ Silver Lake Neighborhood?

[beforeafter]silver-lake-reservoir-beach-01silver-lake-reservoir-beach-02[/beforeafter] Thanks to new EPA regulations, Silver Lake is saying goodbye to it reservoir. But resident Catherine Geanuracos hopes the community will soon be saying hello to something new: a body of water repurposed for recreation, complete with lap lanes, an open swim area, and a miniature beach. As the Los Angeles Department of Water & Power (LADWP) prepares to drain Silver Lake Reservoir and the adjoining Ivanhoe Reservoir and reroute the city’s drinking water supply through underground pipes, Geanuracos’s organization, Swim Silver Lake, is urging city officials to transform the area into a destination for serious swimmers and casual beach-goers alike. Geanuracos says that she, like many Silver Lake residents, has often wondered how the Silver Lake Reservoir Complex might be put to public use. “Every time I run [around it], I’m like, ‘why can’t I go swimming in it?’” she said. “It’s an amazing space that hardly anyone has access to.” This fall, when Geanuracos first heard about plans to drain the reservoir, she realized the time for action was here. She launched Swim Silver Lake less than a month ago, at her own birthday party. Over 700 people have signed up online to support the project. Swim Silver Lake will be presenting their proposal to the Silver Lake Neighborhood Council in February. In the meantime, Geanuracos is scheduling meetings with key government players, including the LADWP, the Los Angeles City Council, and the mayor’s office. She recognizes that the novelty of her idea poses a particular challenge. “It’s not like there’s a precedent for how you do this, because we haven’t had this opportunity before,” she said. Geanuracos is also looking for assistance from the local design community. “I’m not a planner, not an expert, but hopefully we’ll find some folks [with the right skills],” she said. “It could be an amazing project for a student team or a young firm.”