Sejal Choksi-Chugh, executive director of advocacy organization San Francisco Baykeeper, said she “highly, highly recommends” that people avoid contact with the water in the bay right now, because untreated sewage contains bacteria and viruses that can cause sickness. Raw sewage can also cause sickness in fish and other wildlife, she said.
Sewage is overflowing into San Francisco Bay and city streets during stormsSource: San Francisco Chronicle