When state wildlife officials first found signs of invasive zebra mussels in a reservoir in western Colorado several years ...

The Colorado River from Glenwood Springs to the Utah border is now considered positive for zebra mussels, an invasive species known to devastate ecosystems and clog critical infrastructure.

The Colorado River from Glenwood Springs to the Utah border is now considered positive for zebra mussels, an invasive species known to devastate ecosystems and clog critical infrastructure.

No adult zebra mussels have been found in the Colorado River. That’s good news for the river: Once adult populations are established, eradication is nearly impossible and can cost millions of ...

Discoveries of the invasive and damaging zebra mussels have been piling up in Western Colorado, with recent detections in Eagle County, the Colorado River and other waterways. Zebra mussels — and ...

The spread of invasive zebra mussels has continued on Colorado’s Western Slope this summer, with additional discoveries made in recent weeks in the Colorado River, Highline Lake, Mack Mesa Lake, and a ...

Colorado Parks and Wildlife found a single zebra mussel veliger in the Grand River Park near New Castle. This is the first new detection of the invasive species since they were found in the Colorado ...

With the discovery of additional larvae this summer, the Colorado River from Glenwood Springs to the Utah border is now considered positive for zebra mussels. The river can shed that designation ...

Water managers and state wildlife officials last year hoped the discovery of a microscopic zebra mussel larva in the Colorado River was a one-time event, not a sign of a larger problem lurking ...