Ten schools in Oregon had water samples that tested above the U.S. Environmental Protection Agency's lead limit at some point since 2013, according to an Associated Press analysis of test results reported to the agency.
School officials say they've responded to protect children's health, with some turning to bottled water and filtering.
More than 60 water systems in Oregon, Idaho and Washington have reported samples above federal lead limits during the last three years, according to the data.
Nationally, nearly 1,400 water systems serving 3.6 million Americans have exceeded the federal standard at least once between Jan. 1, 2013, and Sept. 30, 2015. The affected...