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Rising Sea Levels Threaten Toxic Sites

Contaminated areas along the San Francisco Bay could be inundated

Quest/KQED

The Hunter's Point Naval Shipyard is one of the EPA's Superfund sites in the Bay Area.

As water levels rise, old landfills, shipyards and industrial sites that line the San Francisco Bay are at risk of being submerged, exposed to higher storm surges and inundated by groundwater. Toxic substances, including arsenic, lead, petroleum products, asbestos and DDT that have been sealed off could leech into groundwater or into the Bay.

While the agencies that have a hand in keeping the Bay clean consider sea level rise in new clean-up projects, they can’t necessarily revisit every old one, according to reporter Nate Seltenrich, who wrote about the problem in this week’s East Bay Express. Continue reading