Story perspectives

Colorado River Declared Infested with Zebra Mussels

9/17/2025

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Summary

Story summary

The Colorado River is now classified as "infested" with zebra mussels, from the 32 Road bridge to the Utah state line, as reported by Colorado Parks and Wildlife (CPW).
Adult zebra mussels were first detected on August 28, 2025.
CPW has identified infested bodies of water, including Highline Lake and Mack Mesa Lake.
The agency has treated a private water body in Eagle County with mixed results using EarthTec QZ.
Public campaigns promote cleaning and drying boats to prevent the spread of invasive species.

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Story summary

The Colorado River is now classified as "infested" with zebra mussels, from the 32 Road bridge to the Utah state line, as reported by Colorado Parks and Wildlife (CPW).
Adult zebra mussels were first detected on August 28, 2025.
CPW has identified infested bodies of water, including Highline Lake and Mack Mesa Lake.
The agency has treated a private water body in Eagle County with mixed results using EarthTec QZ.
Public campaigns promote cleaning and drying boats to prevent the spread of invasive species.