water dredging News

  • 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.

  • 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.

  • 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 ...

  • GE Completes Hudson River Dredging

    GE [NYSE: GE] today (Oct 2, 2015) announced it has completed dredging in New York’s Upper Hudson River. Since 2009, GE has removed the majority of PCBs from the Upper Hudson River in one of the largest and most successful environmental cleanup projects ever undertaken in the United States. The U.S. Environmental Protection Agency (EPA) has called the project an historic achievement that ...


    By General Electric

  • 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.

  • Dragflow expands it line of high efficiency dredges

    The Dragflow network, one of the most extended, thrustable and successful team in the pump and dredging business, has been working hard in the last two years to develop and market the most complete, competitive and efficient line of dredges. In addition to the three traditional dredge's designs, steel cable, telescopic boom and ladder dredge, Dragflow's introduced a new line of remote controlled ...


    By Dragflow S.r.l.

  • Mud Cat™ Auger Dredge used in `Perfect Project`

    Experienced public works directors don't need a crystal ball to see into the future. When the EPA established new water quality regulations in 2005, the public works officials in Cobb County, Georgia, knew that major rehabilitation work at their water treatment plants was on the horizon. The Cobb County-Marietta Water Authority (CCMWA) in suburban Atlanta recently completed the largest dredging ...

  • 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 ...

  • 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, ...

  • Proactive Dredging: a little now or a lot later

    If public works departments had a list of fun things to do, dredging sediment out of holding ponds would not be on it. It’s like cleaning the shower in your bathroom. Whether you make it a frequent quick job or an occasional laborious task, time and effort must be set aside to maintain a fixture that is as critical as it is uninteresting. This is the scenario that played out for ...


    By SRS Crisafulli, Inc.

  • Impact of one-off dredging deposits important for licensing

    New insights into the impact of dredging on the environment highlight the distinction between small, frequent deposits of sediments arising from maintenance dredging, and larger one-off capital deposits. Understanding this distinction is crucial for effective licensing and monitoring of dredging. When sediment is removed from the bottom of a body of water and deposited elsewhere, as in dredging, ...

  • Dredge pumping systems improve with VFD motor controls

    Pumps and Systems recently published an article by Christopher Jaszczolt titled “VFDs Improve Motor and Pump Control”. The article discussed current applications of variable frequency driven (VFD) motor controls as an excellent method to improve on mechanical control methods. VFD control systems have gained market share and visibility in the past decade as an excellent motor control ...


    By SRS Crisafulli, Inc.

  • IMS Introduces GeoPool Dredge Dewatering Technology

    IMS is pleased to announce the acquisition of a patent pending state-of-the-art dewatering technology that is inexpensive, reusable, scalable, and does not require polymers. The technology was invented by an IMS Versi-Dredge customer and then successfully trialed in the United States and Europe. IMS recently sold several GeoPools to a customer in the U.S.   ...

  • 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 ...

  • 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 ...

  • BP penalty trial dredges up gloomy images of 2010 Gulf spill

    Images of oil-coated birds and testimony about "widespread sociocultural harm" opened the third phase of a trial to establish penalties BP must pay under the federal Clean Water Act for spilling millions of barrels of crude into the Gulf of Mexico in 2010. The government wants the oil giant to pay another $13.7 billion for harming not just the birds and fish, but the business ...


    By Associated Press

  • 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.

  • Mud Cat MFD-1000 Dredges Operating in the Tigris and Euphrates Rivers

    Multiple amphibious, multi-function dredges from Mud Cat are operating in Iraq to clean various dams and barrages that are positioned along the Tigris and Euphrates Rivers. Iraq’s Ministry of Water Resources (MWR) purchased the MFDs to remove accumulated silt, sand, and vegetation at each dam’s basin. By performing regular dam maintenance, Iraq’s MWR can maintain the designed ...

  • 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 ...

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