Tuesday, October 30, 2012

Herbicide Spraying Closes Presque Isle


A helicopter will be flying over Presque Isle State Park on Wednesday, October 10 applying herbicide to 170 acres of land inundated with two invasive plant species. The invasive species are Narrow-leaf Cattail and Phragmites. The presence of these plants is damaging to the native plants as well as the overall habitat and ecosystem health of the park.

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Posted by at 5:52 PM
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Muck-monster at work — briefly — on Orange Lake


Frank Taylor with A&L Aquatic Weed Control shreds vegetation near the Heagy-Burry boat ramp on Orange Lake in Orange Lake Monday morning.

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Posted by at 5:50 PM

Weed research has positive flow-on effects


Victorian scientists are working on a solution to control aquatic weeds that block irrigation channels. Scientists … are testing a potential new herbicide to wipe out submerged aquatic weeds. DPI Senior Research Scientist Tony Dugdale said efficient water delivery was of critical importance to irrigators, farmers and the community. "When these weeds infest irrigation channels, the hydraulic capacity of the channels is reduced and the delivery of water becomes compromised," Dr Dugdale said. "This ultimately leads to reduced water delivery to irrigators."

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Posted by at 5:48 PM
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LSU AgCenter releases more weevils to fight aquatic weed


Dearl Sanders calls himself a bug chauffeur. The LSU AgCenter scientist is trying to move as many salvinia weevils as he can to combat the invasive aquatic plant giant salvinia, which is clogging waterways across Louisiana.

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Posted by at 5:47 PM
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Genoa residents split over weed control


Residents living along East and West Crooked Lakes in Genoa Township continue to disagree whether a large-scale chemical weed-control project would pose risks to human health or aquatic life.

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Posted by at 5:46 PM
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Alien weed spreading in Pampa river


The holy river Pampa, which has already been a victim of indiscriminate human intervention and high levels of pollution has, of late, become a fertile area for invasive weeds native to America. A recent study... found spreading presence of Cabomba, a fast-growing submerged aquatic species along the Aranmula stretch of the river...

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Posted by at 5:44 PM
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Mysterious weed in lake is hydrilla


A mysterious aquatic plant that fouls boat propellers, makes boating and swimming difficult, and has the potential to make fishing less productive has been identified as hydrilla, an invasive species.

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Posted by at 5:34 PM
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Great Lakes Commission to tackle Internet sales of aquatic invasive species


Ann Arbor, Mich. – The Great Lakes Commission (GLC) has received a $400,000 grant through the U.S. EPA-led Great Lakes Restoration Initiative to develop and demonstrate web-crawling software to assess the availability of aquatic invasive species for purchase – and identify sellers of those species – on the Internet.

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Posted by at 5:32 PM

Thursday, October 4, 2012

Work to wipe out water weed to be Wednesday


Shawnee County Parks and Recreation announced Thursday it would work Wednesday with Brunswick, Ga.-based Estate Management Services to apply aquatic herbicide to Lake Shawnee to kill Eurasian watermilfoil, an invasive aquatic plant.

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Posted by at 11:32 AM
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Water hyacinth can be used to make biodegradable plastic


Water hyacinth is considered one of the most notorious aquatic weeds. It proliferates rapidly in lakes, dams and irrigation channels and chokes them. But scientists have now shown that the infamous weed is a rich source of carbohydrate and can be used to make biodegradable plastic.

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Posted by at 11:30 AM
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Researchers Study Roundup as Possible Cause of Harmful Algal Blooms


The herbicide Roundup may be contributing to the growth of harmful algal blooms in Lake Erie, according to Ohio Sea Grant researchers. Drs. R. Michael McKay and George Bullerjahn of Bowling Green State University are studying the impact of glyphosate, a phosphonate and the main ingredient in the commonly used herbicide, on the strains of blue-green algae found in Lake Erie.

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Posted by at 11:28 AM
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Tuesday, September 25, 2012

Weevils successfully destroy acres of lake-invading plants


(Phys.org)-A weevil that feeds exclusively on giant salvinia has successfully destroyed about 150 acres of the invasive plant this summer on B.A. Steinhagen Lake near Woodville in East Texas, according to personnel involved in a statewide giant salvinia management program.

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Posted by at 3:20 PM
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Monday, September 24, 2012

Aquatic threat found in Erie canal


NORTH TONAWANDA — A highly aggressive invasive species from Korea has been found in the North Tonawanda portion of the Erie Canal as state and federal authorities rush to identify the extent of the impending threat.

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Posted by at 6:23 PM
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Fenton residents have mixed reactions to weed control in lakes


Fenton Twp. — Weed treatment in the lakes of Fenton Township has brought mixed reactions amongst residents. At Monday’s board of trustees meeting, Aquatic Nuisance Plant Control was given approval to treat Lake Ponemah and three other lakes.

Residents on the lakes agreed that the weeds needed to be addressed. However, there was some debate as to whether chemicals should be used to treat the weeds.

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Posted by at 6:20 PM
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Caged grass carp effective against aquatic weeds - study


A Ministry for Primary Industries trial has found grass carp kept in enclosures are effective in eliminating early infestations of aquatic weeds.

As part of the trial, six 2.5 metre by six metre cages were placed in beds of hornwort weed in Lake Karapiro.

Within nine weeks, the three to five fish contained in each cage had removed the weed.

MPI senior adviser Andrew Bell says once the hornwort was eradicated, the fish and the enclosures were removed safely.

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Posted by at 6:13 PM
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Cascade Water Alliance targeting milfoil beds for manual removal


After two successful summers of chemical treatment to remove the eurasian milfoil in Lake Tapps, Cascade Water Alliance is taking a more targeted approach this year: pulling out the invasive weed by hand.

"We're hoping from here on out it will just be maintenance," said Jon Shimada, capital projects director for Cascade.

Beginning this past week, divers from AquaTechnex are patrolling the lake's shores and yanking out what milfoil remains. According to Aquatic Biolgist Terry McNabb, two years worth of herbicides have made "huge strides" in battling milfoil, which can be dangerous to swimmers in large quantities, as well as the ecosystem of a body of water.

"People tend to forget that two years ago there was a bay this size you couldn't see the water," McNabb said Wednesday from the company's boat, located in a cove near then north end of the lake.

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Posted by at 6:10 PM
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Aquatic plant survey needs you


The Lake Gaston Association is again teaming with N.C. State

University's Aquatic and Non-Cropland Weed Management section of the Crop Science Department to survey the Lake Gaston shoreline for the different types of aquatic vegetation.

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Posted by at 6:05 PM
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Freeport, area residents asked to conserve water


FREEPORT, TX (KTRK) -- Dow officials say while employees were spraying a common aquatic herbicide in the Dow freshwater canal on Monday, the Brazosport Water Authority's intake area also was accidentally sprayed…As a result, officials with the Brazosport Water Authority temporarily shut down the water plant until officials can run tests on the water to see if it has been affected by the chemical.

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Posted by at 5:59 PM
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Indiana Department of Natural Resources bans 28 invasive aquatic plants


Come Friday, it will be illegal to give away, buy or sell any of more than two dozen common aquatic plants found in fish tanks, backyard water sculptures and koi ponds.

The invasive non-native aquatic plants -- 28 of them in all -- have increasingly choked the state's rivers, ponds, lakes and canals. As a result, the Indiana Natural Resources Commission voted in May to take action. READ MORE
Posted by at 5:49 PM
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Macatawa Marsh phragmites spraying


The Outdoor Discovery Center Macatawa Greenway will begin spraying an herbicide to invasive phragmites in the Macatawa Marsh sometime this week through the end of September. The herbicide will be applied by a helicopter and target phragmites with chemicals designed to be used in an aquatic environment.

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Posted by at 5:44 PM
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We're Working to Keep Lake Pinehurst Healthy


The presence of hydrilla in Lake Pinehurst has been confirmed by the aquatic weed control program within the N. C. Division of Water Resources (NCDWR) and by four state-licensed aquatic contractors who bid on the Lake Pinehurst restoration contract...

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Posted by at 5:41 PM
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Water Weed Dispute


A four-year battle over aquatic plants is pitting neighbor against neighbor at Haven Lake in Mason County. The bitter dispute over how to treat the common waterweed and big leaf pondweed that grow on the lake bottom has spawned two lawsuits, accusations of threats and gunfire and thousands of calls and emails to the Governor’s office, State agencies and the Mason County Sheriff's Office.

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Posted by at 5:31 PM
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Sandpoint begins milfoil treatment plan


SANDPOINT — Thanks to a little financial help from several institutions, the city is ready to kick off its treatment plan for invasive aquatic weeds. City Beach and Windbag Marina are due to receive much-needed attention on Monday to counter the invasion of Eurasian milfoil. Rather than using herbicides, however, the cleanup crew will employ a mix of manual techniques to keep chemicals out of the lake.

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Posted by at 5:24 PM
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Wednesday, August 22, 2012

Fish Population Struggling in Lake Pinehurst


The spraying of herbicides to remove aquatic weeds in Lake Pinehurst resulted in damage to small fish breeding grounds.

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Posted by at 2:22 PM
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NPDES litigation floodgates swing open


The first of an expected barrage of legal actions by environmental groups regarding the new pesticide application permits was filed in Massachusetts. The Public Employees for Environmental Responsibility (PEER) asked EPA to investigate whether the Massachusetts Dept. of Public Health (MDPH) violated the Clean Water Act (CWA) when it declared a pest emergency for mosquitos and aerially sprayed more than 400,000 acres in the southeastern part of the state.

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Posted by at 2:20 PM
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Schumer gets Chautauqua Lake $54,000 for weed battle


U.S. Senator Charles E. Schumer secured commitment from the U.S. Army Corps of Engineers (USACE) to unlock $54,000 in federal funds to combat the invasive species Eurasian milfoil and water chestnut in Chautauqua Lake.

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Posted by at 2:19 PM
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Carp promising for waterweed control


A Ministry for Primary Industries-funded trial has shown that grass carp (a weed eating fish) in enclosures could be used to eradicate early infestations of aquatic weeds, doing away with the need to release large numbers of fish throughout a lake, and preventing damage to other plant species in the water.

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Posted by at 2:17 PM
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Govt targets destructive river weeds


The NSW government is launching an offensive against aquatic weeds that it says are damaging rivers in the Hawkesbury-Nepean region.

"The project will tackle some of the most serious and destructive aquatic weeds in the country, including Salvinia, Water Hyacinth, Alligator weed, Senegal Tea plant and Egeria," Ms Hodgkinson said in a statement.

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Posted by at 12:14 PM
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Thursday, August 9, 2012

Meet Amelia Exotica Floridana


Amy Richard and her colleagues from the University of Florida bring an exciting approach to environmental education to the 2012 Smithsonian Folklife Festival. Her character, named Amelia exotica floridana, educates students of all ages about invasive plant species through visual and experiential interactions. Amy dresses up in a costume that visually represents the difference between an invasive species monoculture and a diverse habitat of native plants.

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Posted by at 12:25 PM
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PLANT CAMP 2012 - An invasive plant workshop for teachers only


Congratulations to this year’s PLANT CAMP graduates! It was a really great group of teachers this year.

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Posted by at 12:21 PM
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An exotic snail may help save endangered snail kite


An exotic apple snail began appearing in central Florida wetlands and flourishing in hydrilla, an exotic aquatic plant found throughout the state. The snail is particularly prevalent in Lake Tohopekaliga, where most of the state’s snail kites are now found. "An abundance of snails popped up and the birds took advantage of them," Kitchens says. "The kite population would be in critical shape if the exotic apple snails hadn’t come along."

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Posted by at 12:19 PM
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Salvinia Aquatic Ferns Near Destroys East Java Lake


TEMPO Interactive, Jakarta:The water quality of Ranu Pani, a lake which lies at the foot of Mount Semeru in Lumajang, East Java, is steadily deteriorating due to wild vegetation and increased sediments setting in. If neglected, within 20 years, this lake will no longer exist.

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Posted by at 12:17 PM
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Fishing, Some Boating Banned at Wallace Lake Due to Invasive Plant


A highly invasive aquatic weed has shown up at Wallace Lake in Berea, and Cleveland Metroparks is trying to stop it in its tracks. Hydrilla (Hydrilla verticillata), believed to have come from Africa or Southeast Asia, is often called the "perfect" aquatic weed because of its ability to grow rapidly under just about any conditions.

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Posted by at 12:16 PM
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Waikato Playing Key Role In Aquatic Weed Spraying Efficiency


Waikato Regional Council has been playing a central role in moves designed to make spraying of aquatic weeds more cost effective and to get formal approval for such spraying. The Environmental Protection Authority (EPA) has announced today it is seeking submissions on an application to allow a number of herbicides to be used over water to control aquatic pest plants. The herbicides have been used for many years over water already but the application is designed to secure the necessary formal approval under the Hazardous Substances and New Organisms (HSNO) Act. The group is seeking approval to use herbicides containing one of four active ingredients (haloxyfop-R-methyl, imazapyr isopropylamine, metsulfuron-methyl or triclopyr triethylamine).

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Posted by at 12:13 PM
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Plan to attack Beaver Lake weed finalized


The battle against Eurasian watermilfoil in Beaver Lake continues. The latest development was a Wednesday evening closure of the lake by the Montana Department of Agriculture.

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Posted by at 11:49 AM
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Sharing banned aquatic plants illegal


Bay of Plenty residents are being urged not to share or grow banned aquatic pest plants which pose a "huge" risk to the region’s waterways. The Ministry of Primary Industries and the Bay of Plenty Regional Council is particularly concerned about salvinia, also known as kariba weed, and water hyacinth.

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Posted by at 11:47 AM
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Help protect Sherborn's Farm Pond from invasive plants -- become a Weed Watcher today


An important role of the Farm Pond Advisory Committee is to advise the Board of Selectmen on actions that will keep Farm Pond pristine. This year, FPAC has taken on the control of nonnative invasive aquatic plants as a major focus.

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Posted by at 11:42 AM
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Weeds choke local lakes


The town has tried herbicides ($10,000 to $70,000 per treatment), basic hand pulling ($10,000 to $30,000 per treatment), weevils (beetles introduced into the ecosystem specifically to chow on milfoil) and Diver Assisted Suction Farming or DASH ($10,000 to $30,000 per treatment). "The pond was a mess," Lowery said. "You could practically walk over it, you couldn't get a canoe through it, and you couldn’t swim in it. The pond was unusable. People started putting their houses on the market."

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Posted by at 11:37 AM
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Clearwater Lake Association tries aquatic weed harvesting over chemicals


LEONI, MI - In an effort to cut down on the use of chemicals in Center Lake, the Clearwater Lake Association began using a different method for clearing weeds and algae from the lake. The technique, called aquatic harvesting, started Monday morning and will continue until Wednesday.

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Posted by at 11:32 AM
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Tuesday, July 24, 2012

Milfoil, pondweed among invasive species on the decline at Saratoga Lake


SARATOGA SPRINGS — The populations of invasive lake plants such as curly pondweed and Eurasian water milfoil are declining in Saratoga Lake thanks to a long-term management plan that includes regularly treating and weeding the lake.

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Posted by at 3:29 PM
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Ridding Peconic waters of invasive weeds


About 30 volunteers and Department of Environmental Conservation workers -- in kayaks, canoes and fishing boats -- combed the Peconic Lake and River Thursday for water primrose, an invasive aquatic weed threatening the watershed's ecosystem.

"This is something that's not just going to go away after a week," said Ernie Fugina, president of the Peconic Lake Estates Civic Organization. "Once it covers the lake, it will destroy everything beneath it."

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Posted by at 3:27 PM
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New Weed Harvester at Conneaut Lake


A new harvester is helping to clear weeds that cause problems for boaters and swimmers at Conneaut Lake. The Conneaut Lake Aquatic Management Association spent $135,000 for the machine that cuts the weeds. They are then moved by conveyor to a dump truck to be hauled away. The new machine replaces a 15 year old harvester that was showing it's age and needed to be replaced.

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Posted by at 3:26 PM
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Weeds swallowing Lost Lake whole


GROTON -- If an invasion of non-native plant species continues to spread unabated, Lost Lake will soon live up to its name and really be lost not only to the concerned owners of lake-area properties but to the entire town. Although the issue of invasive plant species such as milfoil, combomba, water chestnut, and clouds of free floating filamentous has been around for many years, only recently has the problem reached crisis proportions with forests of plants carpeting the bottom of the lake.

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Posted by at 3:24 PM
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Volunteers sought for Lake Tahoe water weed cleanup


Volunteers are sought to help rid Lake Tahoe's shoreline of water weeds Sunday at Baldwin Beach in South Lake Tahoe.

Volunteers will work in a large swale, similar to a shallow pond, adjacent to Lake Tahoe, which is infested with Eurasian watermilfoil, one of Tahoe's most prolific aquatic weeds.

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Posted by at 1:55 PM
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Growing and sharing banned aquatic plants is illegal


The Ministry for Primary Industries and Bay of Plenty Regional Council are urging residents not to grow or share banned aquatic pest plants because they pose a huge risk to our waterways. They are particularly concerned about salvinia (also known as kariba weed) and water hyacinth.

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Posted by at 1:51 PM
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Milfoil, an invasive aquatic weed, found at Naticook Lake in Merrimack


Variable milfoil, a waterway-clogging invasive weed, has been documented for the first time at Naticook Lake in Merrimack. The New Hampshire Department of Environmental Services said the infestation appears to have been present for at least two years. The plant is a widespread problem in New Hampshire, having been found in more than 50 lakes and ponds.

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Posted by at 1:41 PM
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Volunteers pull aquatic weeds at Holliston lake


The Lake Winthrop Watershed Association organized the event as part of its effort to rid the lake of weeds. Water chestnuts are one of at least four weeds that clog about 75 percent of the lake. Kids cheered when they found a black “nut,” the sharp seed pods that drop from the top and make more weeds.

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Posted by at 1:39 PM
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Milfoil treatment to start at Hayden Lake


HAYDEN LAKE - Eight sites with Eurasian watermilfoil infestations on the east side of Hayden Lake have been selected for treatment with an aquatic herbicide. That work starts July 16 and is scheduled to be completed July 20, with 72 total acres to receive an application of a liquid triclopyr.

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Posted by at 1:37 PM
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Be alert for suspect aquatic plants


ONE of Australia’s worst water weeds has been discovered in a creek in Lynwood, prompting an alert from the Department of Agriculture and Food to avoid dumping suspect plants in creeks or drains. Department research officer Sandy Lloyd said water hyacinth was reported at Bannister Creek by a local natural resource management group.

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Posted by at 11:36 AM
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Still need for conference on invasive aquatic plants


Scientists, educators, public officials and others interested in the management of invasive aquatic plants are gathering this month for the annual meeting of the Aquatic Plant Management Society (APMS). "Aquatic weeds can have a profound impact on our communities," said Lee Van Wychen, Ph.D., science policy director for the WSSA. "They can clog flood control channels, impair water supplies, and endanger commerce, recreation and tourism."

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Posted by at 11:32 AM
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Thursday, July 5, 2012

Suppressing aquatic weeds in Lake Okeechobee


Exotic visitors to Florida sporting snouts, scales, fins, feathers, fur, or foliage tend to hunker down, divide and multiply, and foreclose on native flora and fauna. As of 2010, 1,392 non-native plant species were identified in South Florida alone, and of those, 69 are priorities for control.

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Posted by at 5:27 PM
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Schumer: Hydrilla is threat to Finger Lakes region


The hydrilla invasion in the inlet, and the potential danger it holds for tourism throughout the entire Finger Lakes region if it spreads, brought U.S. Sen. Charles Schumer, D-N.Y., to Watkins Glen on Tuesday.

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Posted by at 4:47 PM
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Georgina to harvest weeds in 3 areas


New sidewalks and weed harvesting are two major projects slated for summer in Georgina. Changes were made this year to the town’s aquatic weed collection and removal program along the shores of Cook’s Bay since many residents in the Roches Point area were not provided the service last year.

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Posted by at 4:45 PM
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Tuesday, July 3, 2012

Treatment plant blamed for stench in Newberry

Source: Alachua County Today (Florida) June 24, 2012

According to the city’s utility director, Blaine Suggs, the foul odor is coming from an effluent storage pond. The pond has been covered in a growth of duckweed, which has caused the pond to become stagnant.

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Posted by at 6:52 PM
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Year's first round of herbicide hits hydrilla in Cayuga Inlet

Ithaca Journal - File Photo
Source: Ithaca Journal June 27, 2012

ITHACA -- With the year's first herbicide treatment for the invasive aquatic weed hydrilla completed, another application of plant killing chemicals in Cayuga Inlet is progressing on schedule...

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Posted by at 6:50 PM
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State rejects proposal to let hydrilla spread in Lake Apopka

Source: Orlando Sentinel June 24, 2012

The Florida agency responsible for fish and wildlife has decided to pass on a controversial proposal that would have allowed an invasive aquatic plant known as hydrilla to infest more of Lake Apopka, where it survives now in spite of regular dousing with weed killer.

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Posted by at 6:48 PM
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Ithaca municipalities could need money fronted for complete hydrilla treatment

SIMON WHEELER / File Photo
Source: Ithaca Journal (New York) June 25, 2012

With hydrilla herbicide treatments for Cayuga Inlet scheduled to begin Tuesday, complete funding for aquatic plant eradication isn’t yet available.

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Posted by at 6:44 PM
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Rollin Twp. approves more weevils to combat lake weeds

Source: Adrian Daily Telegram (Michigan) June 21, 2012

In a 4-1 vote Wednesday, the Rollin Township Board voted at a special meeting to continue using aquatic weevils to combat invasive weeds in Round Lake.

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Posted by at 6:41 PM
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Methods for Muskies: New aquatic habitats are forcing musky anglers to reconsider time-honored tactics

Source: Pittsburgh Post Gazette June 24, 2012

The trend, he believes, has more to do with the rise and fall of Eurasian watermilfoil, an invasive aquatic weed that entered Western Pennsylvania lakes many...

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Posted by at 6:28 PM
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Monday, June 25, 2012

Herbicides, mechanical removal proposed for Beaver Lake milfoil


The proposed action calls for eradication of the watermilfoil through a combination of treatments including barrier mats, mechanical removal and herbicide treatment. A no-action plan is also included and could close the lake to boating to minimize further distribution of the watermilfoil. However, the watermilfoil would not be treated under that alternative.

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Posted by at 1:38 PM
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Davies praises weed work


Professor Davies, who is director of the University of WA’s Centre of Excellence in Natural Resource Management, was enthusiastic about Collie Shire Council’s attempts to control the aquatic weeds Typha orientalis (bulrush)and Marsilea mutica (nardoo).

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Posted by at 1:35 PM
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Lake Thoreau Closed Thursday for Herbicides


Lake Thoreau will be closed to boats on Thursday so the water can be treated with aquatic herbicides. The lake is experiencing dramatic growth of aquatic plants, including Eurasian Water Milfoil, Yellow Floating Heart (both non-native invasive plants) and Floating Leaved Pondweed.

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Posted by at 1:03 PM
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County may look at chemical solutions to weed problem


ROLLIN TWP., Mich. — The treatment option of using aquatic weevils to control Eurasian milfoil at Round Lake may soon come to an end.

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Posted by at 12:57 PM
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Weed infesting waters from Tahoe to Pyramid


RENO - A troublesome water weed that has spread through Lake Tahoe for decades is now established along the length of the Truckee River, posing possible problems of unknown scope and scale.

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Posted by at 12:56 PM
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Thursday, June 14, 2012

Group: Holliston lake problem needs action, not study


HOLLISTON — Town officials and a local advocacy group are butting heads over how to tackle the weed problem in Lake Winthrop.

Officials plan to take the first of three water samples this month, the first step in a new study of the lake, said Conservation Agent Chuck Katuska.

But the Lake Winthrop Watershed Association, an active but unofficial town committee, is fed up with studies.

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Posted by at 10:40 PM

Residents of Rock Lake upset over dirty aquatic weed harvester


Rock Lake Residents were shocked to see a weed-harvesting machine apparently covered with zebra mussels operating on their quiet waters, Saturday morning.

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Posted by at 10:38 PM
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Invasive species ride tsunami debris to US shore


When a floating dock the size of a boxcar washed up on a sandy beach in Oregon, beachcombers got excited because it was the largest piece of debris from last year's tsunami in Japan to show up on the West Coast.

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Posted by at 10:37 PM
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Eagle Bend treats aquatic invasive species


In May Eagle Bend took the first step toward eradicating curleyleaf pondweed from its channel and harbor by treating them with herbicide. The next step is to come up with a plan for treatment of Flathead Lake, Flathead River and Fennon Slough. Erik Hanson of the Aquatic Invasive Species working group is crossing his fingers that treatment can start before the end of the summer.

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Posted by at 10:35 PM
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Weeds, algae choke Indianapolis-area waterways


Five years ago, he says, the weeds weren't there. Now, patches are starting to show up everywhere along the river.

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Posted by at 10:33 PM
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Former trustee advocates for Silver Lake district to tackle weeds


A former village trustee used citizens comments at Wednesday’s Village Board meeting to make a pitch for a more proactive approach to aquatic weed management on Silver Lake.

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Posted by at 9:38 PM
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Savannah River to be lowered 3 feet for June 19 herbicide spraying


The Savannah River will be lowered about three feet later this month to accommodate contractors who will apply herbicide to control aquatic weeds on June 19. The project, costing about $6,500, involves treatment of about 15 acres of invasive weeds in the river channel along downtown Augusta, said Wayne Hawkins, the chairman of the Augusta Port Authority.

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Posted by at 9:36 PM
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Hydrilla threatens lake health


The weather has been beautiful (except for Tuesday's massive storm), and so many people have been enjoying boating, fishing and swimming in the lake. But, like usual, there is a threat to our waterways, and this time it's in the form of a plant. Hydrilla was found last year in the inlet of Cayuga Lake, which is at the south end near Ithaca. This plant is an incredibly invasive aquatic weed that can choke the life out of a lake very quickly.

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Posted by at 9:18 PM
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Weed removal project this weekend


SOUTH LAKE TAHOE, Calif. — Lake Tahoe Basin residents and visitors are invited to help remove one of the lake's most prolific aquatic invasive weeds, Eurasian watermilfoil, during a community aquatic weed removal project at Baldwin Beach this Sunday.

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Posted by at 9:17 PM
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Weed Hotline available: 719-9333


Now in its fifth year, Smith Mountain Lake’s invasive non-native aquatic Weed Hotline is once again in operation.

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Posted by at 9:15 PM
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Mechanical weed harvesters will help


The prediction this year at Clear Lake is that the aquatic weed problem will be worse than last year. Much of the north end of the lake already has large parcels of weeds growing up from the bottom and they will break the surface within a week or two. In fact, in some areas the weeds are already on the surface.

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Posted by at 9:13 PM
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Marlborough, Hudson reservoir to be treated for weeds


The Ft. Meadow Reservoir in Marlborough and Hudson will be temporarily closed next week as it is treated with herbicides to control invasive weeds.

Conservation Officer Priscilla Ryder said in a statement yesterday the reservoir will be treated on Tuesday to stem the spread of Eurasian watermifoil and variable watermilfoil. Ryder said if not treated, the weeds will spread rapidly and make boating, swimming and fishing difficult.

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Posted by at 9:03 PM
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Lake Guntersville Aquatic Weeds Being Treated


Scottsboro, AL - Weeds that grow on Lake Guntersville can cause problems for boaters and folks who fish and swim. This week crews from the Tennessee Valley Authority are taking steps to get the weed growth under control.

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Posted by at 8:58 PM
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Chemical Treatment for Nab Lake on Thursday


The Westford Board of Health is reporting that portions of Nabnasset Lake will be chemically treated with an aquatic herbicide on Thursday, June 7 with the goal of eradicating non-native plant species such as Curly leaf pondweed and Milfoil.

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Posted by at 8:54 PM
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Friday, June 1, 2012

Aquatic weed control appears to be working


The first spraying of fluridone to remove milfoil and hydrilla weeds from the Roseberry Creek Embayment appears to be successful so far...

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Posted by at 12:02 PM
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Douglas County Commission gives OK to spray Lone Star Lake with herbicides


To stop an invasive plant from taking over Lone Star Lake, the Douglas County Commission has agreed to spray the water with herbicides.

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Posted by at 11:59 AM
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Park district to treat Crystal Lake with herbicide


CRYSTAL LAKE -- The Crystal Lake Park District plans to treat Crystal Lake with a herbicide to help control invasive aquatic plants.

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Posted by at 11:56 AM
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Friday, May 25, 2012

Warm winter contributing to growing problem in water


Mathews, LA -- Water hyacinths are a problem on Bayou Lafourche and across southeast Louisiana and biologists say they could be particularly bad this summer. "This plant will clog the waterway, it will impede boat traffic," says Michael Massimi, invasive species coordinator for the Barataria-Terrebonne National Estuary Program. "It ruins the area for recreational use. You can't fish over a mat of water hyacinths. It's very bad for water quality."

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Posted by at 12:26 PM
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Local bayous clogged with invasive plants


After an exceptionally warm winter, invasive water plants are growing out of control in area bayous, clogging waterways so severely that boat traffic can’t get through. The problem has gotten worse since budget cuts forced the U.S. Army Corps of Engineers to cease invasive plant spraying operations in October, leaving local officials scrambling to find help to combat the plant invasion.

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Posted by at 12:24 PM
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Flooding disperses invasive plant, fish species


Bethel, VT. — Last year's hurricanes and flooding not only engulfed homes and carried away roads and bridges in hard-hit areas of the country, it dispersed aggressive invasive species as well..."It's quite an extensive problem around the country and it's spreading," said Dr. Linda Nelson, aquatic invasive species expert with the U.S. Army Corps of Engineers.

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Posted by at 12:22 PM
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Thursday, May 24, 2012

Hydrilla cleanup funds caught in red tape

Ithaca Journal
Simon Wheeler / Staff Photo
Source: Ithaca Journal (New York)
Date Published: 05/22/2012

ITHACA -- With funding already promised for hydrilla eradication in the Cayuga Inlet, it's time to release money so municipalities can start killing the invasive plant, New York U.S. Sen. Charles Schumer said Tuesday.

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Posted by at 5:28 PM
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Sandpoint rejects herbicides for City Beach milfoil


SANDPOINT -- While Lake Pend Oreille definitely has a watermilfoil problem, herbicides aren’t on the table as a treatment plan anymore.

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Posted by at 5:25 PM
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Council OK with more grass carp


The Lake Gaston Weed Control Council recently considered recommendations from its Technical Advisory Group (TAG) and Stakeholders Board regarding grass carp stocking and other matters.

TAG chairman Rob Richardson, an associate professor and extension specialist at N.C. State University with a focus on aquatic and non-cropland weeds, said that TAG over a conference call unanimously approved recommending 18 grass carp per acre be stocked this year, which would amount to 7,461 fish.

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Posted by at 5:24 PM
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Officials are asking for your help over Memorial Day weekend to control noxious weeds


The Memorial Day weekend traditionally marks the start of Idaho’s recreational season. But state noxious weed officials say it is also the start of the state’s greatest period of threat from the spread of noxious weeds.

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Posted by at 5:01 PM

Group: Holliston lake problem needs action, not study


A sign posted in the boat launch area at Pleasure Point on Lake Winthrop in Holliston warns about spreading aquatic weeds. By Laura Krantz/Daily News staff Town officials and a local advocacy group are butting heads over how to tackle the weed problem in Lake Winthrop.

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Posted by at 4:58 PM
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Fewer aquatic weeds found in Savannah River this year


Last year’s use of herbicide to control aquatic weeds in the Savannah River for the first time appears to be successful, with fewer acres requiring retreatment this year.

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Posted by at 4:57 PM
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Lake Lowery: Private and Weedy


Polk County officials recently received a plea from a Lake Lowery homeowner to do something about an aquatic weed problems at the 900-acre lake between Haines City and Lake Alfred. County officials informed him the weed problem was up to him to solve.

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Posted by at 4:55 PM

Weed discovery puts boaties on alert

Hornwort, also known as
coontail, is highly invasive.
Picture courtesy of NIWA.
(Scoop.co.nz)
Source: Scoop.co.nz (New Zealand)
Date Published: 05/14/2012

An invasive aquatic weed has been found in Lake Rotorangi, prompting a request for recreational users of the lake to help prevent it spreading.

Boats and other equipment should be well cleaned before departing Lake Rotorangi to help prevent the spread of hornwort, also known as coontail.

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Posted by at 4:21 PM
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Aquatic pest found in Lake Okareka


An infestation of the aquatic pest plant hornwort has been found in Rotorua's Lake Okareka. The invasive weed, which has not been seen in Lake Okareka before, was found by the skipper of the Duck tourist vehicle last month.

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Posted by at 4:17 PM
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Monday, May 14, 2012

State water board to hear Lake Tahoe pesticide proposal


The California State Water Resources is scheduled to vote on a proposal that would allow the use of aquatic pesticides at Lake Tahoe under certain circumstances. The State Water Board is scheduled to consider the amendment to the Lahontan Regional Water Quality Control Board's Basin Plan during a May 15 meeting in Sacramento. The regional water board approved the plan in December. Existing rules effectively prohibit pesticide application to water within the agency's jurisdiction.

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Posted by at 4:32 PM
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Where's the water? Water plants creating havoc


Regular boaters on Tri-parish waterways have undoubtably seen or been stopped short by the unruly growth of salvinia and water hyacinths in the area’s freshwater aquatic byways.

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Posted by at 4:31 PM
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