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Stormwater flood at Suncor’s Commerce City refinery leaked benzene into nearby irrigation ditch

State health officials are investigating, but say pollution levels did not threaten public health

A view of the Suncor Energy ...
Rachel Ellis, The Denver Post
A view of the Suncor Energy plant in Commerce City on Monday, Nov. 23, 2020.
Noelle Phillips of The Denver Post.
PUBLISHED: | UPDATED:
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Low levels of benzene were found in water samples taken by Suncor, according to a Colorado Department of Public Health and Environment news release. Suncor's samples reported benzene levels at 0.18 micrograms per liter, and the permitted level for benzene is 5 micrograms per liter.
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