Re: [CPEO-BIF] Los Angeles, California's polluted groundwater

[Peter Strauss <petestrauss1@comcast.net>]

This is a good story about contaminated groundwater and plans to make it useable. However, the newest system that is coming on line uses a combination of hydrogen peroxide and UV radiation to break down chemicals, followed by GAC. Following years of using a similar system at Lawrence Livermore, the system was turned off because, in part, it was too energy intensive. This does not jibe with LA’s plan to reduce energy use.

Peter

> On Jul 30, 2019, at 8:10 AM, Lenny Siegel <lsiegel@cpeo.org> wrote:
> 
> A Climate-resilient Los Angeles Must First Address Its Polluted Past
> To meet ambitious climate goals, L.A. needs more local water. A critical step is battling the ghosts of industry past — polluted groundwater that dates back to World War II.
> 
> 
> by Tara Lohan
> The Revelatory
> July 25, 2019 
> 
> 
> LOS ANGELES - Can a big city be truly sustainable in the age of climate change? Los Angeles is trying to find out.
> 
> The United States’ second-largest city has big green plans. In April Mayor Eric Garcetti announced a goal to get 80 percent of the city’s electricity from renewable sources by 2036 and make sure 80 percent of the vehicles on the road then are carbon-emissions free.
> 
> …
> 
> L.A. actually has lots of groundwater, but in many areas it’s simply too polluted to drink — and it has been for decades. A migrating plume of toxins in the groundwater is making more and more of the city’s wells undrinkable. Even years of remediation by Environmental Protection Agency-led Superfund projects haven’t solved the problem.
> 
> …
> 
> Disguised beneath a giant tarp, camouflaged with painted trees, homes and even fire hydrants hid a Lockheed factory. This massive facility, the size of an airport, manufactured P-38 fighter jets and other aircraft that became potent weapons in World War II. During the war years, when the factory was disguised from potential airborne spies, Lockheed and its subsidiaries in Burbank employed 80,000 people.
> 
> …
> 
> For the entire article, see
> https://therevelator.org/los-angeles-groundwater/
> 
> --
> 
> Lenny Siegel
> Executive Director
> Center for Public Environmental Oversight
> a project of the Pacific Studies Center
> P.O. Box 998, Mountain View, CA 94042
> Voice/Fax: 650/961-8918 
> <lsiegel@cpeo.org>
> http://www.cpeo.org
> 
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