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PBS News Hour

Decision Delayed on Dangerous Chemical in Drinking Water

Science correspondent Miles O'Brien talks to scientists, members of the chemical industry and representatives from Pacific Gas and Electric about chromium-6 contamination in American drinking water. What is a safe level for humans to consume and why has the EPA stalled on setting a federal standard?
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March 23, 2026 - PBS News Hour full episode
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Season 2026 Episode 62
March 23, 2026 - PBS News Hour full episode
March 23, 2026 - PBS News Hour full episode
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Season 2026 Episode 61
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March 20, 2026 - PBS News Hour full episode
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Season 2026 Episode 60
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March 19, 2026 - PBS News Hour full episode
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Season 2026 Episode 59
March 18, 2026 - PBS News Hour full episode
March 18, 2026 - PBS News Hour full episode
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Season 2026 Episode 58
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March 17, 2026 - PBS News Hour full episode
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Season 2026 Episode 57
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Season 2026 Episode 56
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March 13, 2026 - PBS News Hour full episode
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Season 2026 Episode 55
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Season 2026 Episode 54
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Season 2026 Episode 53
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