On July 18, the State Water Resources Control Board adopted a drinking water standard for the regulation of the contaminant 1,2,3-Trichloropropane (TCP).  The Division of Drinking Water set the standard for TCP at 5 parts per trillion (ppt) as a maximum contaminant level.  If public water systems exceed the standard, they will be required to notify their customers and take corrective action.  Based on recent actions taken by the City of Bakersfield to correct their TCP problems, the total tab for California’s public water systems will exceed $4 billion.

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