Author Image: Robert Lewis

Robert Lewis

Robert Lewis can be reached at lewis@investigativestudios.org. The Investigative Reporting Program is a professional newsroom and teaching institute at UC Berkeley. Investigative Studios is a nonprofit production company formally affiliated with the university.

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California has disposed of about 400,000 tons of contaminated soil at the South Yuma County Landfill in Arizona since 2018, according to California’s hazardous waste tracking system. The waste is considered hazardous in California, but Arizona’s less stringent environmental requirements allow businesses and government agencies in the Golden State to take the waste to regular landfills like this one. Photo by Miguel Gutierrez Jr., CalMatters
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A mural in Parker, Arizona, honors the Colorado River Indian Tribes. Some members of the tribes are concerned about hazardous waste California has been disposing at a nearby landfill. Photo by Miguel Gutierrez Jr., CalMatters