KALISPELL, Mont. (AP) — Researchers are warning that invasive mussels could cost Montana’s economy more than $230 million per year in three key economic sectors: recreation, infrastructure and irrigation.

The Montana Invasive Species Council commissioned the study by the University of ...

EUGENE, Ore. (AP) — A recent study found a large population of mussels that live in the Willamette River near a Eugene park is reproducing.

The Register-Guard reported Thursday that a ...

NEWPORT, R.I. (AP) — A regulatory board is allowing shellfish harvesting in a key management area off of New England, though more monitoring of the fishery will now apply.

The New England Fishery Management Council has approved new measures to allow the harvest of surfclams within the ...

ANN ARBOR, Mich. (AP) — A coalition of agencies and groups in the Great Lakes region has released a plan for developing solutions to problems caused by invasive mussels.

The

NORFOLK, Va. (AP) — The U.S. Fish and Wildlife Service on Wednesday proposed protecting a species of Southeastern freshwater mussel under the Endangered Species Act, a move that reflects the threat of pollution and climate change to freshwater mussels overall.

Yellowish in color and shaped ...

VERGENNES, Vt. (AP) — Invasive zebra mussels are threatening an underwater historic preserve in Lake Champlain.

The preserve maintained by the Lake Champlain Maritime Museum is made up of nine Vermont vessels and one New York vessel, all of which can be explored by divers.

They ...

CHESTER, Mont. (AP) — The state Department of Fish, Wildlife and Parks reports that for the second consecutive year, divers did not find any invasive mussels in Tiber Reservoir.

Larvae were found in the reservoir, also called Lake Elwell, in the fall of 2016, leading to inspections and ...

OMAHA, Neb. (AP) — The U.S. Army Corps of Engineers wants to drain an Omaha lake in order to kill off two invasive species living in the body of water, according to a recently released environmental assessment.

The federal agency warned in its proposal that zebra mussel and common carp ...

MISSOULA, Mont. (AP) — The state’s aquatic invasive species coordinator says there have been some “gaps” in efforts to prevent the spread of invasive mussels at Tiber Reservoir, where larvae of invasive mussels were detected two years ago.

The Missoulian

COLUMBUS, Neb. (AP) — Nebraska’s largest utility is reminding anyone with a boat to take steps to prevent the spread of invasive zebra mussels.

Nebraska Public Power District environmental specialist Justin King says zebra mussels can create major problems. For instance, boating has been ...

STORM LAKE, Iowa (AP) — Officials have confirmed that invasive zebra mussels have been found in western Iowa’s Storm Lake.

The Iowa Natural Resources Department says juvenile and adult zebra mussels inhabit several lake locations. Officials say the mussels probably arrived on or in a boat ...

ALEXANDRIA, Minn. (AP) — Scientists still don’t have a clear answer on whether invasive species are destroying Minnesota’s lakes more than 20 years after they started spreading in the state’s waters.

Researchers are struggling to understand the impact that species like zebra mussels have ...

OMAHA, Neb. (AP) — State parks officials have confirmed an infestation of invasive zebra mussels at Glenn Cunningham Lake in north Omaha and have announced the lake’s closure.

The Nebraska Game and Parks Commission confirmed the discovery of adult zebra mussels at the lake two weeks ago. ...

OMAHA, Neb. (AP) — The Nebraska Game and Parks Commission says adults of the invasive zebra mussel have been confirmed in Glenn Cunningham Lake just north of Omaha.

The lake had been considered suspect since May, when larvae were found but no adults.

The small black-and-white striped ...

NEWPORT, Vt. (AP) — Environmental groups are working to stop an invasive mollusk from reaching the U.S. shores of a lake that borders Canada and Vermont.

The Caledonian Record

MISSOULA, Mont. (AP) — Montana fish and wildlife officials say any boat with a ballast tank that has visited Utah’s Lake Powell within the past month must be quarantined.

The measure is being taken to prevent the spread of invasive mussels that are being found for the first time inside ...

COEUR D’ALENE, Idaho (AP) — More boats carrying invasive mussels into Idaho have been intercepted at inspection stations so far this year than for the entire boating seasons in each of the last five years, Idaho officials say.

Nick Zurfluh of the Idaho State Department of Agriculture said ...

OMAHA, Neb. (AP) — The Nebraska Game and Parks Commission says larvae of the invasive zebra mussel have been found in a water sample taken from Glenn Cunningham Lake just north of Omaha.

Officials say field sampling for adult zebra mussels will be completed on the lake’s boat ramps, rocks ...

SPOKANE, Wash. (AP) — A dog could soon be helping check boats and prevent invasive mussels from entering the state, the Washington State Department of Fish and Wildlife said.

The agency tells KREM-TV that the dog will likely be stationed in Spokane and ...

LOGAN, Utah (AP) — The Division of Wildlife Resource says it discovered three boats in northern Utah that were infested with quagga mussels.

The division’s Lieutenant Scott Dalebout says the recent discoveries illustrate the importance of cleaning, draining and drying boats after every ...

COLUMBUS, Neb. (AP) — Nebraska’s largest public power utility is urging those who use its water systems to clean, drain and dry their boats to prevent the spread of invasive zebra mussels.

Nebraska Public Power District’s water system is located in the western part of the state, which ...

SEATTLE (AP) — Scientists who track pollution have discovered traces of the pain reliever oxycodone in some Puget Sound mussels.

Washington Department of Fish and Wildlife obtained clean mussels from Penn Cove on Whidbey Island and put them in different areas to test for water ...

SALEM, Ore. (AP) — Idaho officials have added watercraft inspection stations and extended operating hours at some in anticipation of a busy season.

The Capital Press

CODY, Wyo. (AP) — The recent discovery of damaging zebra and quagga mussels in some Montana waters has Yellowstone National Park and Wyoming Game and Fish officials becoming more vigilant in their efforts to keep the invasive species out.

“We have pushed it more with Montana finding ...

PHILADELPHIA (AP) — In a first for the nation, Philadelphia officials have launched the first city-owned mussel hatchery as part of an effort to improve water quality in the Delaware River Basin.

WHYY’s PlanPhilly

MADISON, Wis. (AP) — Pollutants such as phosphorous and polychlorinated biphenyls are contributing to the decimation of freshwater mussel populations in areas like the Bay of Green Bay and the Lower Fox River.

Invasive species, like zebra and quagga mussels, are also competing against ...

NORFOLK, Va. (AP) — A freshwater mussel that’s found in the nation’s mid-Atlantic region will soon be listed as “threatened” under the Endangered Species Act.

The U.S. Fish and Wildlife Service said the listing will take effect in May for the yellow lance mussel. The species can be found ...

BOISE, Idaho (AP) — The invasive quagga and zebra mussels have a $100,000 bounty on their “heads.”

The U.S. government is offering the six-figure prize for the best suggestion on how to stop their relentless and destructive spread because scientists say they are stumped.

“We might as ...

SEATTLE (AP) — State investigators are examining nets heavily covered with mussels and other sea life as a cause in the collapse of net pens at a salmon farm last summer that released thousands of non-native fish into the Salish Sea.

Photos obtained by

AVONMORE, Pa. (AP) — A Kiski Township woman’s award-winning photograph is evidence that one of the most sensitive indicators of water quality — the freshwater mussel — is back in the Kiski River after more than a century.

Renowned scientist Arnold Ortmann noted in a 1909 paper that the ...