A gasoline spill in La Plata County, one that threatens the nearby Animas River, was at least four times larger than originally reported, according to the Colorado Department of Public Health and Environment and the Southern Ute Indian Tribe.

After the state and tribe questioned the accuracy of the original estimate, Enterprise Products LLC, which owns and operates the pipeline, found that the underground pipeline leaked 97,000 gallons of refined gasoline into the ground on Florida Mesa, just southeast of Durango. The company’s original estimate was 23,000 gallons.

“The updated estimate underscores the seriousness of the incident, which is now estimated to be the largest refined gasoline pipeline spill in Colorado since CDPHE began tracking such releases in 2016,” the health department a

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