Suncor says PFAS spikes may be from higher up Sand Creek

Suncor refinery officials say their testing after outflows of PFAS “forever chemicals” spiked from the site in November did not show any higher than normal contamination downstream on Sand Creek or in the South Platte River nearby. 

State regulators who responded to Suncor’s high test results beginning in November backed Suncor’s assertion about river water quality. But the state also said PFAS levels from Suncor outflows in December and January “remained above the effluent limits proposed” in a draft under consideration for the refinery’s renewed water quality permit. 

Environmental groups and neighbors want the state’s permit renewal to go even further than that current draft, ratcheting down PFAS allowances to the hundredths or thousandths of parts…