Napa sends water quality alerts to 3 neighborhoods
Sep 12, 2015 at 12:00am
The city Water Division has mailed notifications to customers in downtown, Browns Valley and the northwestern area around Alston Park. The letters inform residents that the average levels in the past year of trihalomethanes (THMs)– produced by the reaction between carbon from organic matter washed into the water supply and the chlorine used to kill microbes — have been higher than allowed by federal law.
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