AP Environmental Writer
Escalating its fight with California, the Trump administration accused the state Thursday of failing to stop water pollution from such sources as human waste left on the pavement by the homeless in big cities such as San Francisco and Los Angeles.
San Francisco's mayor disputed any connection between homeless people and water quality, and she and others accused President Donald Trump of using the Environmental Protection Agency to punish the heavily Democratic state.
EPA Administrator Andrew Wheeler outlined a series of alleged deficiencies in California's compliance with federal clean water laws in a letter to Democratic Gov. Gavin Newsom and demanded a detailed plan for fixing the problems within 30 days.
"If California does not step up to its d