[CPEO-MEF] PERCHLORATE: Biotreatment of drinking water in Rialto, CA

[Lenny Siegel <lsiegel@cpeo.org>]

[When the perchlorate contamination issue first burst on the scene 
several years ago, government agencies were reluctant to approve the 
biotreatment of drinking water, as opposed to groundwater. They feared 
public reaction. I argued that the public would favor biological 
methods, as long as used properly. Here, finally, is our chance to find 
out. - LS]


Work begins on cutting-edge plant project for Rialto's polluted groundwater

By Jim Steinberg
San Bernardino County Sun (CA)
February 5, 2011

RIALTO - Work has begun on a $19 million project that will use naturally 
occurring microbes to clean up contaminated groundwater for nearly 
17,000 people.

Texas-based Envirogen Technologies Inc. has begun building two giant 
stainless-steel tanks to be used as bioreactors.

In those tanks perchlorate-eating bacteria will turn hazardous 
groundwater in Rialto into quality drinking water, said Todd Webster, an 
environmental engineer with Texas-based Envirogen Technologies Inc.

Since its detection in 1997, a perchlorate plume in the Rialto-Colton 
basin has continued to move through the aquifer, resulting in the 
shutdown of nearly a quarter of Rialto's 22 wells, Envirogen said in a 
statement about the project.

...

For the entire article, see
http://www.redlandsdailyfacts.com/sanbernardinocounty/ci_17302759

--


Lenny Siegel
Executive Director, Center for Public Environmental Oversight
a project of the Pacific Studies Center
278-A Hope St., Mountain View, CA 94041
Voice: 650/961-8918 or 650/969-1545
Fax: 650/961-8918
<lsiegel@cpeo.org>
http://www.cpeo.org



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