Natural Water Pollution in Colorado Widespread

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Metals occur naturally in the earth, which means water can be be naturally polluted. A new study reveals this happens a lot in Colorado. Ryan Warner talks with hydrogeologist Matt Sares, who led the effort for the Colorado Geological Survey.

[Photo: Colorado Geological Survey, South Fork Lake Creek]
[Photo: Jack Brauer, Red Mountain #2]
[Photo: Colorado Geological Survey]