Montezuma Valley Irrigation Company

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Narraguinnep will be closed to motorized boating due to the threat of aquatic nuisance species invasion.  In accordance with Colorado Parks and Wildlife regulations, the following watercraft is exempt from the boating ban and are allowed on the lake:

  • Kayak
  • Canoe
  • Raft
  • Belly Boat
  • Windsurfer Board
  • Sailboard
  • Float Tubes
  • Inner Tubes
  • Paddle Boards


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Groundhog Reservoir is restricted due to the threat of aquatic nuisance species invasion.  Inspections are no longer held at Groundhog Reservoir as of September 12th.


Public boaters that arrive pre-inspected during store hours and have a compliant boat per MVIC restriction guidelines, and pay a $5.00 boat launch fee will have the boat ramp gate opened for them as store personnel is available.  Boat launch fees are subject to change.  Both public boater and Groundhog RV Park boat rentals and customers have the option of staying beyond closing hours by leaving the boat on shore overnight.  The public boaters can choose the same to leave their boats overnight on shore until the store opens in the morning.

Store hours are:

  • Monday thru Thursday 8:30 am to 5:30 pm
  • Friday and Saturday 7am to 8pm
  • Sunday 7am to 5pm


The following watercraft are allowed on the lake:

  • Small Fishing (simple) boats up to 18 feet with a maximum of        20hp outboard motors only
  • Boat rentals of 2 small pontoon boats will be available, these boats remain on the lake at all times - no other boats except what is listed here are allowed

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In accordance with Colorado Parks and Wildlife regulations, the following watercraft are allowed on the lake without inspection:

  • Kayak
  • Canoe
  • Raft
  • Belly Boat
  • Windsurfer Board
  • Sailboard
  • Float Tubes
  • Inner Tubes
  • PaddleBoards

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For questions or concerns regarding closures and restrictions, please call Colorado Parks and Wildlife at (970) 247-0855.


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                                         Aquatic Nuisance Species/Mussels


The invasive quagga and zebra mussels have infiltrated the Great Lakes and are slowly making their way across the West.  If mussels get into waterways on the Western Slope, they could cause costly damage to water infrastructure, such as dams and irrigation equipment.  Recreational boat inspections have been taking place on McPhee Reservoir and House Creek, but funding has decreased for inspections in recent years.  McPhee should be open seven days a week, but House Creek will probably only be open four days a week.  Lake access will be closed when inspections are not happening.  


For more information, click on the below links provided by Colorado Parks & Wildlife.


                       MCPHEE RESERVOIR                            ANS BOAT INTERDICTIONS 


                                                THE COST OF INVASION