flood control dredging Articles

  • Subsurface movement of zinc from contaminated dredge spoils at a periodically flooded site

    In 1982, sediments contaminated with zinc, cadmium, and copper were dredged from Lake DePue in Illinois and deposited in a diked sediment disposal area (DSDA) that is flooded annually for at least three months. Data from soil and groundwater samples collected at multiple depths within and adjacent to the DSDA indicate vertical movement of the metals in the subsurface, although groundwater outside ...


    By Springer

  • 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 ...


    By SRS Crisafulli, Inc.

  • Dredging Technology – Underwater Excavation and Construction

    The presence of water is ussualy considered a nuisance in construction, particularly when excavating removing water is common practice. In some cases however, water can be a very useful tool that may simplify things greatly. With the “flooded excavation principle”, the construction site is flooded after the retaining walls have been installed (e.g. sheet pile). When the ...


    By BBA Pumps

  • Living with floods in the Mahanadi Delta, India

    In October 2013, one of the fiercest cyclones to hit the Bay of Bengal for many years made landfall on the low-lying delta coast of the Indian state of Odisha. With winds battering the coastline at more than 200 kilometres per hour, the structural damage from cyclone Phailin was intense. Thousands of straw, timber and bamboo homes were destroyed across the delta of the River Mahanadi, one of ...


    By Wetlands International

  • Rotomite-6000-CD Dredge System - US Copper Mine-case study

    SRS Crisafulli's Integrated Product Solutions - To remove water, soft and abrasive material, sludges, and slurries from Industrial, Municipal, Agricultural, and Government Lagoons, Ponds, Lakes, Canals, and flooded and flood threatened areas. And to irrigate farms and ranches. Dredge Rentals. Many customers rent Crisafulli’s Rotomite and FLUMP dredges on ...


    By SRS Crisafulli, Inc.

  • Nakoma Brook flood & hydraulic analysis & engineering study Sloatsburg, New York

    Performed Hydrologic Studies and Hydraulic Engineering Investigations and Designs for the Nakoma Brook Watershed located in Western Rockland and Southeastern Orange Counties, encompassing over 8 square miles. The study area focus was in the Village of Sloatsburg, NY at the intersection of Route 17 and Eagle Valley Road. Flood Control analyses were conducted using USACOE's HEC-1 and HEC-2 computer ...


    By GEA ENGINEERING

  • Erosion and Sediment Control: Navigating NPDES Regulations, the SWPPP, and Techniques for Compliance

    Erosion and Sedimentation: Why Are They a Problem? The US Environmental Protection Agency lists sediment as the single most common pollutant in rivers, streams, lakes, and reservoirs. With all the potentially harmful chemicals and substances in the world, it seems odd to many people that sediment—dirt, essentially—is singled out as the major culprit. Yet these particles of ...


    By FINN Corporation

  • Bound for Venezuela

    SRS Crisafulli, Inc., Founded in 1966, is one of a few select manufacturers of specialized, engineered dredging systems in the United States. The company is now, and has been since its inception, located in Glendive, MT. Fron its beginning, SRS Crisafulli has served agriculture with pumping equipment for irrigation, flood control and dewatering. The past decade had been a period of carefully ...


    By SRS Crisafulli, Inc.

  • Bound for Venezuela-case study

    SRS Crisafulli, Inc., founded in 1966, is one of a select few manufacturers of specialized, engineered dredging systems in the United States. The company is now, and has been since its inception, located in Glendive, MT. From its beginning, SRS Crisafulli has served agriculture with pumping equipment for irrigation, flood control and dewatering. The past decade has been a period of ...


    By SRS Crisafulli, Inc.

  • Water management in a city of southwest China before the 17th century

    Kunming City is the capital of Yunnan Province, China. From the 12th century, it has developed from a remote rural town to become a large city. Successful water management was one of the key dynamic factors in the city's development. As a result of the location of Kunming City, in its early age it was in a narrow area between the north bank of Dian Chi lake and the mountains, therefore ...


    By IWA Publishing

  • Changes in stage–flow relation of the East River, the Pearl River basin: causes and implications

    Water level and streamflow extracted from 891 hydrological episodes from both dry and flood seasons covering a period of 1954–2009 were analyzed to investigate stage–flow relations. Results indicate the following. (1) Since the early 1990s the low/high flow is increasing/decreasing. The water level, particularly the high level, is consistently decreasing. An abrupt decrease of ...


    By IWA Publishing

  • Fountain creek sediment collector - case study

    An innovative sediment management method, a 30-ft wide, high capacity, Sediment Collector, is currently installed in Fountain Creek, Pueblo, Colorado upstream of the confluence with the Arkansas River.  This installation is intended to demonstrate a new technology available to reduce the need for dredging.  The purpose of the Sediment Collector is to demonstrate the capability to lower ...


    By Streamside, LLC.

  • Dewatering with Geotextile Bags - South Gippsland, Australia (Water Treatment) - Case Study

    A simple, cost effective new method of dewatering sludge is now available in Australia, writes Bill Kelly from CRS Industrial Water Treatment. The use of geotextilcs for containment and dewatering came about as a result of a major flood event in Holland in the 1950s. It prompted Dutch marine engineers to seek new methods and materials to build structures for coastal defences. The ...

  • Crisafulli submersible pumps and power units-case study

    In June, 1997, Mr. Quinn of EPCO, the customer's designated agent, inspected the systems at Crisafulli's manufacturing plant, and these made in Montana pumping systems were tested and shipped to Siberia. SRS Crisafulli, Inc., founded in 1966, is one of a few select manufacturers of specialized, engineered pumping and dredging systems in the United States. From its beginning, SRS Crisafulli has ...


    By SRS Crisafulli, Inc.

  • Supreme Court Weights In On Wetland Development

    Environmental Alert The Clean Water Act provides that "navigable waterways," or "waters of the United States," are subject to its provisions. Wetlands adjacent to "navigable waterways" are considered to be a "water of the United States" and are also within the jurisdiction of the Clean Water Act. The Army Corps of Engineers ("Corps"), the agency charged with administering the federal ...

  • Special Report: Water Resources Bill Draws Interest From Cities, Utilities, Industries

    The forces driving the Water Resources Reform and Development Act of 2013 (H.R. 3080) can be seen in the large array of cities, counties, utilities and industries hoping to see the bill become law. At least 496 nonprofit organizations, companies, state and local governments and other entities have disclosed ...


    By Bloomberg BNA

  • Stormwater: Questions and Answers

    The whole subject of Stormwater is complicated. Here's a chance for you to check out some of the most frequently asked questions about stormwater . . . and their answers. What is an NPDES (National Pollutant Discharge Elimination System) permit? The Clean Water Act prohibits anybody from discharging 'pollutants' through a 'point source' into a 'water of the United States' unless they ...


    By Ben Meadows

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