EBMUD said in a statement that several of the sewage treatment plants it oversees overflowed multiple times in Oakland and Alameda on Dec. 31, 2022. The utility described these overflows as “sanitary sewer overflows,” which are when “sanitary sewer” storage and treatment systems — meant to treat human waste from toilets, showers, and sinks — are overwhelmed by rain.
High Volume of Sewage Overflowed Amid Recent RainsSource: SFist