Invasive Mussel Larvae Found In NW Colorado

Invasive quagga mussel larvae have been discovered at Green Mountain Reservoir near Highway 9 between Silverthorne and Kremmling. It is unknown if the larvae were dead or alive when they were discovered, but a scuba dive team surveyed the reservoir last week and did not find any evidence of an invasive mussel infestation. Invasive species specialist Elizabeth Brown says  the discovery is troubling but the reservoir is not considered infested, a designation given to bodies of water that have extensive and reproducing adult mussels. If a major infestation occurred, it would put the reservoir’s water quality, drinking water delivery and recreation at risk. Due to the potential of infestation, officials are implementing containment protocols at Green Mountain Reservoir, which will require every boat to be inspected when exiting the reservoir.  Boaters will then be issued a seal and blue receipt certifying the inspection. If a boater leaving Green Mountain Reservoir intends to launch in a different water body in Colorado, their boat must be decontaminated by a certified professional before launching.  Boaters are also being reminded to take the simple precaution of cleaning, draining, and drying their boat every time they go out on Colorado waters.

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