stormwater screening Articles

  • Experience with Local Stormwater Management Programs

     ABSTRACT Local stormwater management programs have traditionally been operated and funded as a function of general government. Increasing requirements to deal with wet weather water quality problems and the devastating impact of flooding have led to increased efforts to expand organizational responsibilities and the need for new and dedicated funding. To provide a cross section of ...

  • Screening of organic contaminants in urban snow

    Snowmelt is known to cause peak concentrations of pollutants, which may adversely affect receiving water quality. High concentrations of metals and suspended solids in snow have been reported, whereas studies on organic pollutants are rare. This study aims at investigating the occurrence of anthropogenic organic compounds in urban snow in Gothenburg (Sweden). The most frequently detected organic ...


    By IWA Publishing

  • Micropollutants in stormwater runoff and combined sewer overflow in the Copenhagen area, Denmark

    Stormwater runoff contains a broad range of micropollutants. In Europe a number of these substances are regulated through the Water Framework Directive, which establishes Environmental Quality Standards (EQSs) for surface waters. Knowledge about discharge of these substances through stormwater runoff and combined sewer overflows (CSOs) is essential to ensure compliance with the EQSs. Results from ...


    By IWA Publishing

  • Controlling the flow: innovative screening device solves detention maintenance issues

    Untitled Document A nine-year, $5.29 million road improvement joint venture between the City of Beaverton, Ore. and Washington County widened 5,680 feet of a two-lane ...


  • Wire manufacturing facility - Case Study

    Bench-Scale Stormwater Treatment Study A large wire manufacturer in Washington State asked Dungeness Environmental to perform a treatability study on their stormwater run-off. The run-off requires remediation prior to discharge for turbidity, zinc, copper and lead concentrations. Dungeness performed an initial screening test in the lab simulating a variety of water treatment techniques for ...

  • Mono nov holds the key to sewer improvements

    Previously there was no screening treatment in place, and stormwater was discharged directly into the River Lune.The improvement project, fully designed and managed on behalf of United Utilities by Bechtel, involved constructing a low level chamber, incorporating nine L Series Discreens®, and three Series ‘A’ Munchers®, to screen and condition screenings before discharging the clean water into ...

  • Structural improvements on hydrodynamic separators: a computational fluid dynamics approach

    Hydrodynamic separators (HDSs) have been used extensively to reduce stormwater pollutants from urbanized areas before entering the receiving water bodies. They primarily remove particulates and associated pollutants using gravity settling. Two types of HDSs with different structural configurations of the inner vortex-inducing components were presented in this study. One configuration consisted ...


    By IWA Publishing

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