aquatic weed control News

  • Washington state issues aquatic weed control pesticide permit

    Although the key definition of whether a pesticide applied to surface waters is, or is not, a pollutant is still to be decided in court. The Washington State Department of Ecology Wednesday reissued a general permit for the application of pesticides to control aquatic weeds in irrigation water conveyance systems. The permit covers 16 irrigation districts that use pesticides to control aquatic ...

  • Weeding out of water invaders

    Defra and the Scottish Government today (Wednesday 24 February) called on Britain’s gardeners to help stop the spread of invasive aquatic plants that damage the natural environment and cost the economy millions with a new campaign to highlight the plight of Britain’s waterways. The Be Plant Wise campaign highlights five of the worst offenders currently wreaking havoc on our wildlife and ...


  • Identifying factors in Atrazine’s reduced weed control

    Invasive broadleaf weeds can destroy corn crops and fallow fields. Farmers use the chemical atrazine in herbicides to protect their plants. Despite atrazine’s controversial environmental impacts, it can provide long term residual control of many weed species. However, the loss of atrazine’s effectiveness has been a challenge for farmers in northeastern Colorado. In a collaborative ...

  • Natural Environmental Systems Sets Sights on Commercial and Industrial Algae Control

    Dallas, TX - Natural Environmental Systems has been growing rapidly in the small pond market for pond owners looking for safe, environmentally friendly solutions for algae control and overall water quality. Now the company has its sights set on similar issues within larger commercial/ industrial ponds. “Whether it is a small pond or a large pond, it is the same factors that create algae blooms,” ...

  • Charles River pollution control district pays penalty for clean water violations

    In March, EPA’s New England office filed a complaint against the Charles River Pollution Control District, which operates a wastewater treatment facility in Medway, Mass., alleging violations of the federal Clean Water Act for discharging phosphorus and suspended solids into the Charles River at levels above those allowed by its federal permit. In a compliance order issued along with the ...

  • Pond maintenance solutions from interstate products

    Interstate Products, Inc. (IPI), the leading provider of environmental and industrial solutions now offers more ways than ever to help control unwanted floating and submersed aquatic weeds in ponds, lakes and lagoons.  Whether you need to eliminate menacing aquatic weeds such as cattail and duckweed or are having trouble with algae, IPI has the solution to keep your body of water beautiful ...


    By Interstate Products Inc

  • Vegetation changes in water bodies may be rapid and dramatic

    The aquatic vegetation in water bodies around the world may change rapidly and dramatically due to climate change and other human influences. New invasive species may form massive stands and smother everything else, but even native species may spread quickly in the changed conditions, e.g. due to eutrophication or water level regulation. 'In Finland, one of the problems is that we have not ...

  • National Invasive Species Awareness Week to Focus on Prevention and Management Strategies

    The Weed Science Society of America (WSSA) is among a broad coalition of public and private stakeholders gathering in the nation’s capital March 3-8 for National Invasive Species Awareness Week. The agenda will focus on how to best prevent and manage unwanted invaders. “Invasive species are increasingly degrading wildlands and aquatic habitats, reducing land values and eroding our economic ...


    By PRWeb

  • EPA proposes new permit requirements for pesticide discharges: action would reduce amount of pesticides discharged and protect America’s waters (HQ)

    The U.S. Environmental Protection Agency (EPA) is proposing a new permit requirement that would decrease the amount of pesticides discharged to our nation"s waters and protect human health and the environment. This action is in response to an April 9, 2009 court decision that found that pesticide discharges to U.S. waters were pollutants, thus requiring a permit. The proposed permit, released for ...

  • WSSA Pesticide Stewardship Series: The Applicator Must Ensure that Pesticide Spray Drift Does No Harm

    Recently, pesticide spray drift from different pesticide applications caused damage to field corn on a bordering farm, vegetables in an adjacent backyard, trees and bushes in a nearby state park and vegetation on an adjoining campus. In all cases, the applicators were fined because they had not taken the necessary precautions to avoid drift. Pesticide spray drift is the physical movement of ...


    By PRWeb

  • OECD report `supports` Australian climate change position

    An independent report just released supports the Australian Labor Government’s action on climate change, say ministers. Minister for the Environment, Peter Garrett, and Minister for Climate Change and Water, Senator Penny Wong, jointly received the Organisation for Economic Cooperation and Development (OECD)’s Environmental Performance Review of Australia from Mr Lorents Lorentsen, head of ...


  • New funds support Queensland efforts for sustainable land management & more resilient ecosystems

    The Great Barrier Reef and Queensland’s Burdekin Dry Tropics rangelands are among the beneficiaries of a AUS$25.7 million Caring for our Country 2008-09 regional investment funding package announced today. Australian Government Ministers for the Environment, Heritage and the Arts, Peter Garrett, and Agriculture, Fisheries and Forestry, Tony Burke, said the package would fund a range of activities ...


    By Australian Government

  • EPA releases first-ever baseline study of US lakes

    The U.S. Environmental Protection Agency today released its most comprehensive study of the nation’s lakes to date. The draft study, which rated the condition of 56 percent of the lakes in the United States as good and the remainder as fair or poor, marked the first time EPA and its partners used a nationally consistent approach to survey the ecological and water quality of lakes. A total of ...

  • California’s Prop 65 and Linuron Public Health Concerns

    In 1986, California voters approved an initiative to address increasing concerns about exposure to toxic chemicals. That initiative, the Safe Drinking Water and Toxic Enforcement Act of 1986, is better known by its original name of Proposition 65.  Proposition 65 requires businesses to notify Californians about significant amounts of chemicals in the products they purchase, in their homes or ...


    By EMSL Analytical, Inc.

  • EPA Sued for Allowing Pesticide Spraying Over Water

    SAN FRANCISCO, California - Six environmental groups have filed a lawsuit against the U.S. Environmental Protection Agency for a decision that the spraying of pesticides into the nation's waters should no longer be regulated by the Clean Water Act. The groups filed suit December 12 in the U.S. Court of Appeals for the Ninth Circuit to overturn the new rule, which re-defines the word 'pollutant' ...

  • Carcinogenic Pesticide Pervasive in Midwest Drinking Water

    WASHINGTON, DC, September 11, 2007 (ENS) - New federal water quality data obtained by the Natural Resources Defense Council, NRDC, confirms high levels of the carcinogenic pesticide Atrazine in Midwest drinking water supplies. The U.S. Environmental Protection Agency, EPA, data shows raised Atrazine levels in 94 of 136 water systems tested at the source. Tests were conducted in ...

  • Wallingford Software launches free edition of InfoWorks RS

    Wallingford Software has announced the immediate availability of InfoWorks RS Free Edition: a 250-node edition of the InfoWorks RS 1D modeling solution for river and coastal systems. InfoWorks RS is the most sophisticated and comprehensive river modeling package in the world, with users throughout Europe, North America and Asia.  InfoWorks RS Free Edition provides the ideal introduction to ...


    By Innovyze

  • EPA begins new scientific evaluation of Atrazine

    The U.S. Environmental Protection Agency is launching this year a comprehensive new evaluation of the pesticide atrazine to determine its effects on humans. At the end of this process, the agency will decide whether to revise its current risk assessment of the pesticide and whether new restrictions are necessary to better protect public health. One of the most widely used agricultural pesticides ...

  • China Warns of Three Gorges Dam Catastrophe

    WUHAN, Hubei, China, September 26, 2007 (ENS) - Chinese officials and experts have admitted the Three Gorges Dam project has caused an array of ecological ills, including more frequent landslides and pollution, and if preventive measures are not taken, there could be an environmental 'catastrophe.' While the dam has served as a barrier against seasonal flooding threatening the ...

  • Small Hydro could add up to Big Damage

    A belief that small hydropower systems are a source of clean energy with little or no environmental problems is driving the growing interest in mini, micro, and pico hydro systems that generate from less than 5 kilowatts up to 10 megawatts of energy. Hydropower appears to be the cleanest and most versatile of ...


    By SciDev.Net

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