Pitkin County Commissioners Overrule Planning Commission on Airport Modernization

The hum of a jet engine is a sound you feel in your chest before you hear it with your ears, a low-frequency thrum that vibrates through the floorboards of the terminal and settles into the bones of anyone waiting for a flight. On Wednesday, that heartbeat was declared healthy enough to continue, as the Pitkin County Board of County Commissioners unanimously voted to overrule the Planning and Zoning Commission’s finding of “non-conformance” during the second reading, clearing the way for the modernization program to move forward.

It wasn’t a decision made lightly, nor without friction. In April, the Planning and Zoning Commission had looked at the blueprints and the reality of the existing facility and found significant portions of the project to be out of step with two local Master Plans. They raised their hands to say, not yet. The Board of County Commissioners had already overruled that decision once, in May, but the debate had only deepened. Now, facing a second reading, the commissioners dug in.

Commissioner Patti Clapper opened the door to the vote by thanking the Planning and Zoning Commission for their passion, their time, and their energy. But she was clear-eyed about the alternative. “I think it is in the best interest of the community to move forward on the airport, at this time,” Clapper said. She framed the renovation not as a series of small fixes, but as a puzzle where you can’t just improve one piece without addressing the whole picture. If you leave the old system in place, you leave the noise and air quality concerns unresolved.

Commissioner Greg Poschman offered a simpler, more visceral metaphor. He compared the airport’s aging infrastructure to a broken appliance in your own kitchen. You don’t try to fix the compressor if the whole unit is failing; you replace it. “It’s time to fix the appliance,” Poschman said. It was a statement of practical necessity, stripping away the bureaucratic jargon to reveal the raw need underneath.

But the public, and the commissioners themselves, couldn’t ignore the question of what that replacement was doing to the air we breathe. The conversation turned to ultra-fine particles, those microscopic bits of pollution that hover in the air around the tarmac. Critics worried about health impacts; officials worried about the cost of proving it. Aspen/Pitkin County Airport Director Diane Jackson confirmed that the Federal Aviation Administration requires all airport projects to have findings of no significant impacts on pollutants, and that Aspen is nowhere near the levels that would trigger mandatory mitigation efforts.

The catch? We don’t know for sure, because monitoring ultra-fine particles is expensive. It costs $150,000 for just two weeks of sampling, and Jackson noted that expanding that monitoring to cover the full scope of the project would likely run upwards of $1 million. That’s a lot of money for a town that’s already stretching its budget. Jackson pointed out that there are currently no health standards or thresholds for ultra-fine particles, making it hard to say definitively if we’re in trouble. Still, monitoring will continue for one year through construction, with monthly checks on the stations.

Poschman didn’t let the uncertainty paralyze the decision. “We can’t close the airport on some hypothesis on [ultra-fine particles],” he told the council. It was a bold assertion: better to fix the broken appliance and accept the risk, than to leave it broken and wait for a hypothesis to become a crisis.

Commissioner Ted Mahon added that current and planned emissions mitigation efforts would likely slow the spread of all pollutants, including the ultra-fines, suggesting that the modernization itself is part of the solution. And crucially, Mahon noted that choosing not to overrule the Planning and Zoning commission would effectively overrule the public vote that authorized the modernization project in the first place. The people had spoken; the commissioners were just listening.

As the meeting adjourned, the sound of the airport didn’t change, but the context did. The decision was made. The work would begin. And somewhere on the tarmac, a plane would taxi, its engines catching fire, pushing back against the thin mountain air, carrying the weight of a community’s choice between perfect knowledge and necessary action.