On August 10, 2015, the EPA reported that levels of six metals were above limits allowed for domestic water by the Colorado Department of Public Health and Environment.
EPA je 10. avgusta 2015. prijavila da su nivoi šest metala prekoračili dozvoljene granice za pijaću vodu koje je propisalo Odeljenje za javno zdravlje i zaštitu životne sredine u Koloradu (engl.