Joe Nelson, Staff Writer
Posted: 12/03/2010 06:46:36 PM PST

Sen. Dianne Feinstein, D-Calif., sent a letter Friday to the state Water Resources Control Board calling for a review of the perchlorate groundwater contamination in Barstow.

“I am writing to ask you to review the situation in Barstow,” Feinstein wrote to Charles R. Hoppin, chairman of the state water board. “A groundwater contamination plume of perchlorate has been discovered that has contaminated at least one city well and several private wells.”

State and local officials issued a citywide no-drinking order in Barstow on Nov. 19 after high levels of perchlorate, a toxic chemical used in rocket fuel, munitions and fireworks, were discovered in three Golden State Water Company wells. The company provides drinking water to the city and Marine base.

The no-drinking order was fully lifted five days later, after the water company flushed its water distribution system and shut the wells that were the source of the contamination.

Officials with the Lahontan Regional Water Quality Control Board continue investigating the source of the groundwater contamination in the northeastern part of the city.

Though tap water is now believed safe to drink in Barstow, private wells may still be contaminated, Feinstein said in her letter.

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