Twenty-nine out of over 2,000 water treatment facilities in Colorado are found to exceed federal limits on harmful chemicals in their drinking water supplies, requiring costly cleanup efforts.
Eight granular activated carbon filters stand inside Plum Creek Water Purification Facility in Castle Rock, Colorado on Wednesday, August 16, 2023. The filters remove PFAS and other chemicals in the water. The facility started testing in 2021 for PFAS on a regular basis.
Denver’s water system does not have current detections of PFAS, but the city’s water has not been sampled since 2020, which is the case for dozens of Colorado water districts, according to state health department’s status report.on the amount of forever chemicals that will be allowed in the nation’s drinking water systems. The agency estimates that, nationally, 6% to 10% of the 66,000 public drinking water systems may fall short of the new standards.
PFAS chemicals are used in products such as firefighting foam, makeup, cookware, carpets, clothes and ski wax to make things stain-resistant or non-stick. They are toxic to humans and can cause cancer, impair fertility and harm the liver. They leach into groundwater, creeks, lakes and canals that supply water for human consumption and agriculture.
The EPA announced the new limits after years of debate between regulators, environmentalists and water providers, who could be on the hook for costly upgrades to their systems to filter out the chemicals. So far, shutting off wells hasn’t diminished the city’s water supply, but it could be impacted if the region experiences a severe drought, Kimmes said.
Still, Coghill said he and members of other environmental groups want the state to push Suncor’s PFAS limits even lower because the company contributes to the drinking water pollution. Earthjustice represents three environmental groups in an administrative appeal on the new water permit.
Water Treatment Facilities Colorado Federal Limits Dangerous Chemicals Drinking Water Cleanup Efforts
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