[CPEO-BIF] Hillview-Porter Plume cleanup "shows success, " Palo Alto, California

[Lenny Siegel <LSiegel@cpeo.org>]

Three decades later, toxic-plume cleanup in Palo Alto's Barron Park shows success
State agency to shut down some chemical-extraction wells, keep others to track groundwater contamination


by Sue Dremann 
Palo Alto Weekly (CA)
July 28, 2023

After nearly 30 years of groundwater extraction, treatment and monitoring of an underground toxic-chemical plume beneath Palo Alto's Barron Park neighborhood, the California Department of Toxic Substances Control (DTSC) is shutting down most of the chemical-extraction wells in the area, saying the cleanup program's goals have been met.

It is converting some others into monitoring wells that will be used to observe the groundwater.

Groundwater quality in the neighborhood was contaminated by hazardous chemicals from the Hillview-Porter Plume, which migrated underground from decades of industrial dumping at the Stanford Research Park.

The DTSC, which is overseeing the site, said the cleanup has met its goals in most of the areas where the wells are being decommissioned, but the cleanup as a whole is still not completed.

…

For the entire article, see
https://www.paloaltoonline.com/news/2023/07/28/three-decades-later-toxic-plume-cleanup-in-palo-altos-barron-park-shows-success

—

Lenny Siegel
Executive Director
Center for Public Environmental Oversight
A project of the Pacific Studies Center
LSiegel@cpeo.org
P.O. Box 998, Mountain View, CA 94042
Voice/Fax: 650-961-8918
http://www.cpeo.org
Author: DISTURBING THE WAR: The Inside Story of the Movement to Get Stanford University out of Southeast Asia - 1965–1975 (See http://a3mreunion.org)

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