Sewage sludge accumulated by more than four million residents in Los Angeles is extracted and treated at the Hyperion Treatment Plant, the city's largest and oldest wastewater treatment facility. There, human waste is processed and treated over the span of two weeks. In part, it entails screening for foreign objects, separating liquids from solids, and killing off pathogens at a specific temperature.
The goal: create biosolids for a variety of purposes, including fertilizer that's deemed safe under regulations from the U.S. Environmental Protection Agency. And approximately 75 percent of those biosolids -- that's 500 tons a day! -- are loaded on trucks headed to Kern County.
But not everyone is on board. In 2006, voters in Kern County passed a ballot measure intended to ban the process of depositing L.A.'s biosolids at the city of L.A.'s Green Acres Farm. But eight years later, the dumping debate still continues.
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