Mussel risk at McPhee could limit boat access — The Cortez Journal

Mcphee Reservoir
Mcphee Reservoir

From The Cortez Journal (Jim Mimiaga):

A plan is being considered by local, state and federal agencies to close the McPhee and House Creek boat ramps with locked gates during times when boat inspectors are absent. The new management strategy would go into effect in 2017.

Currently, there are no gates at the boat ramps, and trailered boats can launch after hours when boat inspection stations are unattended.

“It is important to fill the inspection gaps, because the problems and expense of mussel contamination are severe,” said Mike Preston, general manager of the Dolores Water Conservancy District, which manages irrigation at McPhee reservoir…

Their presence causes damage and vastly increases maintenance costs long-term. They negatively impact the lake’s sport fishery by filtering the water and competing for food.

McPhee is considered an at-risk lake for the mussels because of its proximity to Lake Powell and Lake Mead, both of which are heavily contaminated with the mussel…

Locals know about the problem, and understand the importance of draining and drying their boats, Preston said.

“The worry is a visitor arrives with an infected boat that slips through. It just takes one,” he said.

DWCD, the Bureau of Reclamation, San Juan National Forest, and Colorado Parks and Wildlife signed a memorandum last week to share long-term costs and management for the proposal to improve the McPhee boat inspection program. The program currently costs $85,000 per year to run.

McPhee’s two boat inspection stations typically analyze between 8,000 and 12,000 trailered boats per year since 2009, and the numbers have increased in the past two years.

This year at McPhee, the number of boats needing decontamination went up 40 percent, managers said.

The new plan would limit access for the public such as for boaters wanting to put on early in the morning, or late evening, before and after the boat inspection stations are open. Access during shoulder seasons would also be reduced because inspections stations are open less.

Zebra and Quagga Mussels
Zebra and Quagga Mussels

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