Millions of gallons of untreated storm water and sewage are being released in Northern California

The preliminary tally is 14 million gallons — enough to fill 21 Olympic-size swimming pools.\

That’s how much untreated storm water, with some raw sewage mixed in, was released in the San Francisco Bay Area from Dec. 30 to Jan. 3, according to the San Francisco Bay Regional Water Quality Control Board, as heavy rainfall overwhelms aging pipes and sewage systems. As local agencies report more data and heavy rains continue, that number is expected to soar.