Pollutants found in a second well
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City officials have shut down a second well in two weeks after it was discovered to contain trace amounts of the potentially cancer-causing gasoline additive MTBE.
The Kinoshita well, which is off Camino del Avion at Alipaz Street, was found to have an MTBE content of 2.9 to 4 micrograms per liter, officials said. State and federal health standards allow a maximum of 13 micrograms, officials said.
Last week, officials closed a well near the Old Hot Springs Dance Hall on Paseo Adelanto. It had a level of 1.3 micrograms per liter. The wells do not contain harmful levels of the contaminant but were closed as a precaution, officials said.
Leaks into the city’s groundwater supply began in the late 1980s after spills at two Chevron gas stations. Six wells feed into the city’s water treatment plant, and since the leaks were discovered Chevron has been working to stop the plume of contaminant from spreading.
-- Tony Barboza
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