A steady rain in the morning. Showers continuing in the afternoon. High 59F. Winds SW at 10 to 20 mph. Chance of rain 80%. Rainfall near a quarter of an inch..
Tonight
Partly cloudy skies. Low 49F. Winds W at 10 to 15 mph.
The amount of raw sewage released by a broken pipeline in Redwood Shores last week is estimated at 48,000 gallons, according to city officials.
Redwood City officials initially estimated 5,000 gallons were dispelled before crews capped and fixed the broken line but always expected that number would increase. The 5,000-gallon figure reported to the state and county was based on amounts measured two hours into the spill, using the estimate of 300 gallons per minute being released with an expected fix time of 20 to 30 minutes.
The city is still warning residents to avoid the lagoon because the water continues showing high levels of E. coli.
At approximately 3 p.m. Wednesday, the pressurized concrete pipe gave way, buckling the asphalt and sending out sewage in the area of Davit Lane and Anchor Circle.
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By that night, crews were diverting the sewage into trucks for transport to a treatment facility and waiting for a replacement 16-inch pipe.
Most of the fix happened by 10 p.m. Thursday night and crews spent the weekend cleaning up the sewage that entered six residential garages and landscaping displaced by repair work.
The city is working with the San Mateo County Environmental Health Department, the Water Quality Control Board and the city’s consultants on options to clean up the lagoon but a timeline isn’t clear, said city spokesman Malcolm Smith.
This week, final cleanup and restoration of the parking area is expected and the city is monitoring for impacts on fish and water fowl, and has found no evidence of any injury to animals in the lagoon, Smith said.
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