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Stormwater Run-Off Capture for California's Water Supply [1]

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Date: 2022-11-21

h/t bookgirl

How much stormwater could be captured? Southern California has the most potential for collecting stormwater — as much as 1.9 million acre feet a year, depending on rainfall, according to the Pacific Institute. Even though the region has little precipitation, it has vast amounts of pavement and other surfaces that create runoff….

The above heads the stormwater section of CalMatters.org’s How Can California Boost its Water Supply. The above Pacific Institute.org link goes to an extremely thorough report, a 48-page pdf.

Editorial comment: despite pavement and storm-drain systems in situ making Los Angeles in particular —largest city in California, 2nd largest in the US— an obvious target, single-solution over-focus is a known cause of failure historically and globally on a vast range of social and climate change issues. Even wars —and political campaigns— can’t be won by a single type of ammunition. Diversity and scope are our greatest strengths — true of human communities meeting shared problems, and true of solutions themselves.

Back to the CalMatters article, other sections give status-and-potential reports for ■ recycling ■ ocean water and brackish water desalination (the later reportedly more energy-efficient, among other positives) ■ transforming California agriculture (said to currently use 80% of developed state water not counting direct rainfall) ■ luxury waste (lawns, turf, car-washing including daily on car-lots, etc) ■ pipe/aquaduct/canal loss to leaks and evaporation ■ reservoir strategy improvement ■ aquifer recharge ■ climate change control ■ water rights reform/environmental justice ■ cloud-seeding (including Nevada, Wyoming, Montana, Colorado and Australia) ■ evaporative recapture by hydropanels being pioneered “ around the world in places that lack clean water, including a Navajo reservation in Arizona, Australia, India and Kenya … and by actor Robert Downey’s eco-friendly house in Malibu ■ and pop-fic notions vs logistics.

More from the stormwater recapture section:

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[1] Url: https://www.dailykos.com/stories/2022/11/21/2137730/-Stormwater-Run-Off-Capture-for-California-s-Water-Supply

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