Alternative Transfer Methods in Action

Your Water Colorado Blog

Pueblo_Reservoir Water from the Catlin Canal is stored in Pueblo Reservoir. Photo Courtesy of U.S. Bureau of Reclamation

In spring 2016, tests showed that groundwater used for drinking in Security, Widefield and Fountain had been contaminated with high levels of perfluorinated compounds or (PFCs). PFCs are thought to have been released during firefighting drills at Peterson Air Force Base, north of Security-Widefield, between 1970 and 1990. Over the past year, to avoid contaminated groundwater supplies and ensure residents received safe, clean drinking water, water managers have been serving up their limited surface water—available thanks, in part, to an alternative transfer method (ATM).

In May 2016, the regulatory level of PFCs, set by the Environmental Protection Agency (EPA), was changed from 400 parts per trillion (ppt) to 70. Water supplies for the communities of Security, Widefield and Fountain fell well within the old limit, but exceeded the new 70 ppt. Exposure…

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