channel dredging News

  • Dredging and shoreline remediation

    Many situations can complicate a shoreline’s integrity. These can range from flooding, hurricanes and man-made disasters and can even include aquatic harvesting and human recreation. Making efforts to protect a shoreline from these intrusions helps protect economic and recreational interests. Shoreline remediation is an investment in the overall economic and natural habitat of a community. ...


    By SRS Crisafulli, Inc.

  • Dredging short courses

    When I first started as an applications engineer for SRS Crisafulli, I searched for information on the subject of dredging. I was surprised to find there was very little non-commercial content available. I have since found a pair of short courses, offered annually by Texas A&M, which I recommend highly to any professional interested in dredging. The Center for Dredging Studies at Texas ...


    By SRS Crisafulli, Inc.

  • EPA objects to dredging permit proposals (KS, MO)

    EPA has determined that the U.S. Army Corps of Engineers (USACE) Draft Environmental Impact Statement presents insufficient scientific information to support dredging permits allowing sand and gravel removal from the Missouri River. The applicant’s proposal would allow the removal of 11,615,000 tons per year of main channel river bottom material. EPA Region 7 Administrator Karl Brooks said, ...

  • Great performance and productivity with the new Dragflow Amphibious Dredge

    Productivity and stability at the highest level with the new Dragflow Amphibious Dredge. The Dragflow DRM (Multi-Purpose Dredge) series represents a step up on the approach of dredging technique. The extreme mobility in any kind of swamp and the full floatability, allow this dredge to reach most remote locations otherwise impossible to get with any other equipment: the DRM can easily operate also ...


    By Dragflow S.r.l.

  • Water quality protected during dredging of Somerset Levels

    A special monitoring system is helping protect water quality on the Somerset Levels and Moors where a major dredging operation is under way following severe flooding. The system, which was supplied by OTT Hydrometry and installed by Wavelength Environmental, is designed to protect the river ecology by issuing email alerts if water quality deteriorates beyond pre-set conditions. Any such alerts ...


    By The OTT Hydromet Group

  • Dredging to start on the Rivers Tone and Parrett as soon as possible

    Dredging of the Somerset Levels will begin next month as soon as it is safe and practical to do so, the Environment Agency (EA) announced today. The Environment Agency is formally advertising the works in preparation for work to start. Dredging will take place on eight kilometres of river channel where the Tone and Parrett meet at Burrowbridge. Work will start on a 200 metre long stretch of the ...

  • Sixth Season of Hudson River Dredging Begins; Historic Dredging Project Draws to a Close; Next Up: Cleaning Up Floodplains

    Today, U.S. Environmental Protection Agency Regional Administrator Judith A. Enck announced the start of the sixth, and final, season of dredging of PCB-contaminated sediments from the bottom of the Hudson River. The historic dredging project – one of the largest and most complex cleanups in Superfund history – began in 2009. The EPA is overseeing the dredging project that is being ...

  • Dredging a Pointless Activity – Plastic Rainwater Tanks a Winning Solution

    Dredging is a pointless activity according to a coalition of environmental groups who are requesting that the Government scales down its preferred method of flood prevention. The Blueprint for Water Coalition is urging the Government to spend resources traditionally channelled into dredging on more effective, alternative flood-control methods. According to Mark Lloyd of the Angling Trust, a ...


    By ENDURAMAXX

  • Plug and Play Dredging: how to Move Sediment to the Drying Bed

    Got a minute? Watch a one minute video of the plug and play SD-110 Rotomite dredge in the Philippines. "Plug and Play" is a catchphrase of USB computer gadgets, representing equipment that can be connected to a system and used immediately. No system configurations; ...


    By SRS Crisafulli, Inc.

  • 39-mile dredging/capping approach used to treat fox river PCBsd

    The Lower Fox River in Wisconsin contains approximately 8 million yd3 of PCB-contaminated sediment targeted for active remediation. The site's records of decision (RODs) were amended in 2007 and 2008 to specify dredging of nearly 4 million yd3 of sediment with high concentrations of PCBs, followed by in situ capping of approximately 560 acres of sediment comprising operable units (OUs) 1 through ...

  • Innovative dredging technology accelerates removal of residual contamination in Ashtabula River

    The US EPA's Great Lakes National Program Office (GLNPO) and their non-federal sponsor, the Ashtabula City Port Authority, along with the State of Ohio, the U.S. Army Corps of Engineers (USACE), and a consortium of private companies collaborated to design and implement an innovative approach for addressing extensive sediment contamination in a portion of the Ashtabula River near Lake Erie. The ...

  • South Dakota men agree to civil settlement for unpermitted excavation, dredging near Missouri River in Dixon County, Neb. (NE)

    Two South Dakota men have agreed to a civil settlement with EPA Region 7 in which one of the men will pay $65,000 for using earth moving equipment to perform unauthorized excavation and dredging work that impacted nearly 22 acres of wetlands near the Missouri River in Dixon County, Neb. Kevin Vaughan of Dakota Dunes, S.D., conducted the digging and earth moving on land owned by Bryce Andersen, ...

  • EPA marks the startup of the final phase of Hudson River PCB dredging; 500 jobs created by this cleanup project

    EPA Regional Administrator Judith A. Enck was joined today in Fort Edward, New York by Representative Maurice Hinchey, Representative Paul Tonko and New York State Department of Environmental Conservation Commissioner Joseph Martens to mark the start of the second and final phase of the Hudson River cleanup that began on June 6, 2011. During this phase of dredging, General Electric will remove ...

  • Green and golden seaweed tides on the rise

    I documented the phenomenon of the huge tides of Sargassum weed that were sequentially dumped along the beaches of Sierra Leone in 2011 and 12. I informed many people of this natural phenomenon, despite many trying to blame their appearance on dredging in the Pepel channel some 35-40km away! I contributed to this article published 5 December 2013 in nature and am credited at the end. All very ...


    By Huckbody Environmental

  • Second phase of historic hudson river cleanup underway

    The U.S. Environmental Protection Agency (EPA) today announced that the dredging of sediment contaminated with polychlorinated biphenyls (PCBs) has resumed in the Upper Hudson River, marking the start of the second and final phase of the Hudson River cleanup. The historic dredging project targets approximately 2.4 million cubic yards of PCB-contaminated sediment from a forty- mile section of the ...

  • Six Ways to Clean New Jersey`s Passaic River Proposed

    WASHINGTON, DC (ENS) - The U.S. Environmental Protection Agency, EPA, has released six proposals for cleaning up New Jersey's Passaic River, one of the nation's most polluted waterways. The river is laden with toxic chemicals and metals, as well as sewage and urban runoff. The six options, developed by the EPA and five other federal and state agencies, include ...

  • EPA Finalizes Plan to Address PCB Contamination in the Grasse River in Massena, NY

    The U.S. Environmental Protection Agency has finalized its plan to clean up contaminated river sediment at the Grasse River Superfund site in Massena, New York. Past industrial activities have contaminated the river sediment with polychlorinated biphenyls. PCBs are probable human carcinogens that build up in the fat of fish and mammals, increasing in concentration as they move up the food chain. ...

  • Reminder: Constitution Mining Makes Significant Discovery in the Gold Sands of Peru

    BUENOS AIRES, U.S.A. -- (Marketwire) -- 07/26/10 -- Constitution Mining / Reminder: Constitution Mining Makes Significant Discovery in the Gold Sands of Peru processed and transmitted by Hugin AS. The issuer is solely responsible for the content of this announcement. Lima, Peru - July 26, 2010 - Constitution Mining Corp. (CMIN.OB) reports that drilling at its Peruvian Gold Sands ...


  • Constitution Mining Makes Significant Discovery in the Gold Sands of Peru

    BUENOS AIRES, U.S.A. -- (Marketwire) -- 07/23/10 -- Constitution Mining / Constitution Mining Makes Significant Discovery in the Gold Sands of Peru processed and transmitted by Hugin AS. The issuer is solely responsible for the content of this announcement. Constitution Mining Makes Significant Discovery in the Gold Sands of Peru Lima, Peru - July 23, 2010 - Constitution Mining ...


  • Reminder: Constitution Mining Makes Significant Discovery in the Gold Sands of Peru

    LIMA, PERU -- (Marketwire) -- 07/26/10 -- Constitution Mining / Reminder: Constitution Mining Makes Significant Discovery in the Gold Sands of Peru processed and transmitted by Hugin AS. The issuer is solely responsible for the content of this announcement. Lima, Peru - July 26, 2010 - Constitution Mining Corp. (CMIN.OB) reports that drilling at its Peruvian Gold Sands project has ...


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