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Invasive mussels

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The following is a list of tested waterbodies in Utah and their current status. Please help us fight the mussels by decontaminating your boat.

View a list of UTM coordinates for samples taken at many of these waterbodies. Map of dreissena mussel monitoring sites.

See status definitions

Water Current classification 2015 sampling results 2014 sampling results DWR Region
Bear Lake (spans Utah-Idaho border) Pending Pending Not detected Northern
Bettridge Creek1 Pending Pending Not detected Northern
Big Sandwash Reservoir Pending Pending Not detected Northeastern
Big Springs Fish Hatchery (Ute Tribe)1 Pending Pending Not detected Northeastern
Bottle Hollow Reservoir (Ute Tribe) Pending Pending Not detected Northeastern
Boulder Creek (West Fork)1 Pending Pending Not detected Southern
Bountiful Pond1 Pending Pending Not detected Northern
Calder Reservoir Pending Pending Not detected Northeastern
Cleveland Reservoir Pending Pending Not detected Southeastern
Colorado River (Potash boat launch) Pending Pending Not detected Southeastern
Cottonwood Reservoir Pending Pending Not detected Northeastern
Currant Creek Reservoir Pending Pending Not detected Northeastern
Cutler Reservoir Pending Pending Not detected Northern
Deer Creek Reservoir2 Suspected (quagga) Not detected Suspected (quagga) Central
Dougherty Basin Reservoir1 Pending Pending Not detected Southern
East Canyon Reservoir Pending Pending Not detected Northern
Echo Reservoir2 Pending Not detected Not detected Northern
Eagan State Fish Hatchery1 Pending Pending Not detected Southern
Electric Lake Pending Pending Not detected Southeastern
Fairview Lake Pending Pending Not detected Central
Fish Lake Pending Pending Not detected Southern
Fisheries Experiment Station State Fish Hatchery1 Pending Pending Not detected Northern
Flaming Gorge Reservoir
(spans Utah-Wyoming border)2
Pending Not detected Not detected Northeastern
Fontenelle Reservoir, Wyoming
(impoundment of the Green River)2
Pending Pending Not detected Northeastern
Fountain Green State Fish Hatchery1 Pending Pending Not detected Central
Glenwood State Fish Hatchery1 Pending Pending Not detected Southern
Green River (Ouray Bridge) Pending Pending Not detected Northeastern
Gunlock Reservoir Pending Not detected Not detected Southern
Gunnison Bend Reservoir Pending Pending Not detected Central
Gunnison Reservoir Pending Pending Not detected Central
Hunter Power Plant (holding pond) Pending Pending Not detected Southeastern
Hunter Power Plant (Snow Lake) Pending Pending Not detected Southeastern
Huntington North Reservoir Pending Pending Not detected Southeastern
Huntington Power Plant (raw water pond) Pending Pending Not detected Southeastern
Hyrum Reservoir Pending Pending Not detected Northern
Joes Valley Reservoir Pending Pending Not detected Southeastern
Johnson Creek1 Pending Pending Not detected Northern
Jones Hole National Fish Hatchery1 Pending Pending Not detected Northeastern
Jordanelle Reservoir Pending Not detected Not detected Central
Kamas Fish Hatchery1 Pending Pending Not detected Northern
Keg Springs Pending Pending Not detected Northern
Kolob Reservoir1 Pending Pending Not detected Southern
Koosharem Reservoir Pending Pending Not detected Southern
Lake Creek (Millard County)1 Pending Pending Not detected Southern
Lake Powell (spans Utah-Arizona border)3 Infested (quagga) Infested (quagga) Infested (quagga) Southern
Lee Kay State Fish Hatchery1 Pending Pending Not detected Central
Leland Harris Ponds1 Pending Pending Not detected Central
Loa State Fish Hatchery1 Pending Pending Not detected Southern
Mammoth State Fish Hatchery1 Pending Pending Not detected Southern
Mammoth Reservoir Pending Pending Not detected Southeastern
Manning Meadow Reservoir1 Pending Pending Not detected Southern
Mantua Reservoir Pending Pending Not detected Northern
Mantua State Fish Hatchery1 Pending Pending Not detected Northern
Matt Warner Reservoir Pending Pending Not tested Northern
Midview Reservoir (Ute Tribe) Pending Pending Not detected Northeastern
Midway State Fish Hatchery1 Pending Pending Not detected Central
Millsite Reservoir Pending Pending Not detected Southeastern
Minersville Reservoir Pending Pending Not detected Southern
Navajo Lake Pending Pending Not detected Southern
New Castle Reservoir Pending Pending Not detected Southern
Newton Reservoir Pending Pending Not detected Northern
Ninemile Reservoir Pending Pending Not detected Central
North Creek (North Fork)1 Pending Pending Not detected Southern
Otter Creek Reservoir Pending Pending Not detected Southern
Ouray National Fish Hatchery1 Pending Pending Not detected Northeastern
Palisades Reservoir Pending Pending Not detected Central
Panguitch Lake Pending Pending Not detected Southern
Pelican Lake Pending Pending Not detected Northeastern
Piute Reservoir Pending Pending Not detected Southern
Pine Lake Pending Pending Not tested Southern
Pine Valley Reservoir Pending Pending Not tested Southern
Pineview Reservoir2 Pending Not detected Not detected Northern
Pole Creek1 Pending Pending Not detected Southern
Pueblo Reservoir, Colo. Detected Detected Detected Outside Utah
Quail Creek Reservoir Pending Pending Not detected Southern
Ranch Creek1 Pending Pending Not detected Southern
Recapture Reservoir Pending Pending Not detected Southeastern
Red Fleet Reservoir Pending Pending Not detected Northeastern
Red Knolls Pond1 Pending Pending Not detected Northern
Rockport Reservoir2 Pending Not detected Not detected Northern
Rosebud Ponds1 Pending Pending Not detected Northern
Salina Creek1 Pending Pending Not detected Central
Sand Hollow Reservoir Pending Pending Not detected Southern
Santa Clara River (Confluence with Virgin River)1 Pending Pending Not detected Southern
Scofield Reservoir Pending Pending Not detected Southeastern
Skunk Creek1 Pending Pending Not detected Southern
Springville State Fish Hatchery (east)1 Pending Pending Not detected Central
Springville State Fish Hatchery (west)1 Pending Pending Not detected Central
Starvation Reservoir Pending Pending Not detected Northeastern
Steinaker Reservoir Pending Pending Not detected Northeastern
Strawberry Fish Trap1 Pending Pending Not detected Central
Strawberry Reservoir2 Pending Pending Not detected Central
Ten Mile Creek1 Pending Pending Not detected Southern
Tropic Reservoir Pending Pending Not detected Central
Upper Enterprise Reservoir Pending Pending Not detected Southern
Utah Lake Pending Pending Not detected Central
Virgin River (Cedar Pocket Campground in the Virgin River Gorge in Arizona)1 Pending Pending Not detected Outside Utah
Virgin River (Utah-Arizona state line) Pending Pending Not detected Southern
Wahweap State Fish Hatchery1 Pending Pending Not detected Southern
Whiterocks State Fish Hatchery1 Pending Pending Not detected Northeastern
Willard Bay Reservoir2 Pending Not detected Not detected Northern
Willow Springs Pond (west Box Elder County)1 Pending Pending Not detected Northern
Yuba Reservoir Pending Pending Not detected Central

Lake Powell and Deer Creek Reservoir are currently the only Utah waters that require decontamination.

1 Hatchery, wild egg site, wild fish production site, and wild fish transfer site inspections are conducted by Utah Division of Wildlife Resources to assess presence/absence of quagga and zebra mussels, New Zealand mudsnail, didymo, Eurasian and northern watermilfoil, Asian clam and non-native crayfish.

2 Sampled by U.S. Bureau of Reclamation.

3 Sampled independently by Utah Division of Wildlife Resources, U.S. Bureau of Reclamation and Glen Canyon National Recreation Area (National Park Service)

4 Sampled by Colorado Division of Parks and Wildlife.



How UDWR discovers and manages water bodies affected by quagga or zebra mussels

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