Hinkley, Calif., is the small town that battled toxic groundwater and inspired the 2000 film Erin Brockovich. Now residents say they are experiencing a sequel to their story.

A few years ago, people started talking about the water again. Residents developed strange rashes and Pacific Gas & Electric Co. — blamed for the town's groundwater pollution — was offering to buy homes again, this time in areas previously believed to be unaffected by the contamination.

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