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ANS Inspection Now Required to Launch a Boat at Pinewood Reservoir
Larimer County
LOVELAND, Colo. An inspection for aquatic nuisance species (ANS) will be required to launch a boat at Pinewood Reservoir starting Friday, June 23, 2017.

No such requirement has previously existed for Pinewood Reservoir, located in the foothills west of Loveland. This new requirement applies to all motorized, trailered watercrafts. Smaller, hand-launched watercrafts, such as kayaks, canoes and belly boats, will not require an inspection.

Unlike other boat ramps managed by Larimer County Department of Natural Resources, ANS inspectors will not be present at Pinewood Reservoir. Instead, a boat seal system will be used to enforce the requirement.

Boats will need to be inspected for ANS before coming to Pinewood Reservoir. A boat can be pre-inspected at nearby Carter Lake or other boat ramps in Colorado, where the boater will receive a boat seal and seal receipt (with the boat ID number). The boat seal temporarily attaches a boat to a trailer with a wire and seal, indicating the boat has not been launched since its last ANS inspection. Upon launching a boat, a boater cuts the wire and must place the seal, along with the seal receipt, in the drop box at the Pinewood Reservoir boat ramp. Rangers will check the drop box regularly, and the presence of the boat seal and receipt will indicate that the boat on the water was inspected prior to launching. Failure to comply with this requirement could result in a fine.

In addition to the new ANS requirement, boating hours at Pinewood Reservoir will now be limited to the hours at boat ramps for Carter Lake, which are currently 6 a.m. to 10 p.m., 7 days a week.

ANS inspections help prevent the spread of zebra mussels, quagga mussels and other known aquatic invasive species, which can severely, negatively impact native fish populations, infrastructure and watercrafts, among other negative impacts. Pinewood Reservoir is part of the Colorado-Big Thompson (C-BT) system that delivers water from the west side of the Continental Divide to the Front Range. The reservoir is directly up-flow from many dams, power plants and other infrastructure that could be damaged by aquatic nuisance species.

"If there were a zebra or quagga mussel infestation in Pinewood Reservoir, or another reservoir in the C-BT system, the dollars spent to prevent an outbreak of ANS are miniscule compared to the dollars that would be required to repair and clean the infrastructure that would be covered in mussels," said Carter Lake District Manager Dan Rieves, who oversees recreational operations at Pinewood Reservoir for Larimer County Department of Natural Resources.

This requirement is the result of a recent change to the funding sources for ANS inspections at boat ramps managed by Larimer County. Funding for these inspections is now shared by Larimer County Department of Natural Resources, Colorado Parks and Wildlife, and Northern Colorado Water Conservancy District. In 2017, the three agencies will share the roughly $310,000 cost to run the ANS program at County boat ramps.

For information about this new requirement at Pinewood Reservoir, please contact Rieves at (970) 619-4456 or For information about ANS inspections, visit, or check out CPW's website at