… As of Jan. 1, California is mandating that underground fuel tanks have two protective shells to prevent soil or groundwater contamination. The single-walled cylinders at the Bay Farm station are considered archaic and possibly hazardous, prone to leaks like the one that recently caused a major road closure in Burlingame. … According to the State Water Resources Control Board, California has fewer than 650 single-walled tanks left in the ground. … In due time, state water board leaders assure that all of California’s underground gas supply will be doubly secured, their outer layers girded for earthquakes, extreme weather or natural deterioration.

Other groundwater news:

• SJV Water (Bakersfield, Calif.): Cawelo board members balk at paying costs for “white lands” groundwater agency
• The Orange County Register (Irvine, Calif.): EPA has options for cleaning up contaminated water in north OC, public meetings this month to take input​