Stormwater Compliance Articles

  • 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

  • Funding Time Is Running Out. We Can Help Make The Most Of Your Spending.

    The Clean Water and Wastewater Fund (CWWF) is a federal program designed to support the rehabilitation and modernization of drinking water, wastewater and stormwater infrastructure. Through the CWWF, $569.5 million is being provided through federal infrastructure funding. The Province of Ontario is cost-matching contributions up to a maximum of 25% of total eligible costs. ...


    By Pure Technologies

  • Storm Water Plan Case Study

    Global was contracted by a local Road Commission site. The Road Commission site serves as the county level road agency, which maintains more than 1,813 miles of roads and streets and over 250 signalized intersections. The Road Commission contains six sites across the county. Each site is responsible for its particular area. The sites all include maintenance garages, diesel and gasoline ...

  • Case study - Pentair Thermal, Redwood City, CA

    Project Name: Pentair Thermal Management Products: Gravelpave2 Applications: Parking Lot Stabilization City: Redwood City State/Province: California Install Date: March 2016 Client: Pentair Thermal Management Install Size: 2413 sq meters (25,977 sq ft) Address: 2501 Bay Rd, Redwood City, CA 94063 Designer: Teichert ...


    By Invisible Structures, Inc.

  • Case study - Acton / Aqua Dulce Public Library, Acton, CA

    Project Name: Acton / Aqua Dulce Public Library Products: Rainstore3 and Gravelpave2 Applications: Underground Stormwater Detention (Rainstore3) and Porous Paving Parking (Gravelpave2) City: Acton State/Province: California Install Date: March 2009 Client: County of Los Angeles Library Install Size: 2880 Units, Rainstore3; 450 sq meters ...


    By Invisible Structures, Inc.

  • Case study - Data Safe, Newark, CA

    Project Name: Data Safe Products: Gravelpave2 Applications: Fire Lane and Access Road City: Newark State/Province: California Install Date: March 2012 Client: Data Safe Install Size: 1,200 sq meters (132,000 sq ft), Gravelpave2 Address: 37580 Filbert St. Newark, CA Designer:  N/A Contractor: Gateway ...


    By Invisible Structures, Inc.

  • Case study - Freeman, Batavia, OH

    Project Name: Freeman Enclosure Systems Products: Rainstore3 Applications: Underground Stormwater Detention City: Batavia State/Province: Ohio Install Date: February 2016 Client: Freeman Enclosure Systems Install Size: 6720 Units, Three separate chambers. Address: 4160 Willimasburg Township, Batavia, OH ...


    By Invisible Structures, Inc.

  • Warning! Beware stormwater product

    Warning! Beware of a storm water insert sold under the trade mark "Safe Drain".  This product holds water in the open position.  Standing water can present both odor and health issues.  In 2004, Cameron M. Colson patented a leading storm water drain insert that utilized a butterfly valve mounted inside the storm water insert that aided in spill control.  This Design was ...

  • Storm Water Pollution Prevention Plans

    Why Your Railroad Facility Needs One and What to do About It Did you know that that railroad facilities are subject to the Clean Water Act? This includes requirements to have a ...


    By Antea Group - USA

  • Planning scales and approval processes for IUWM projects; lessons from Melbourne, Australia

    In the Australian context integrated urban water management (IUWM) processes consistently recommend the implementation of recycled water and stormwater harvesting projects. These projects are typically decentralised and planned by a variety of organisational types. Major international research programmes have thus far focused on how IUWM should be operationalised as a single-tier, city scale ...


    By IWA Publishing

  • EHS support for a manufacturing facility closure – Case Study

    Challenge: Antea Group was retained to provide Environmental, Health and Safety (EHS) management services for an audio equipment manufacturer in support of closure of a large manufacturing facility in the Southeastern US. Solution: Duties included waste management inspections and shipping supervision, inspections of fire suppression equipment and petroleum ...


    By Antea Group - USA

  • Integrated conceptual modelling of faecal contamination in an urban estuary catchment

    Urban stormwater is regarded as a key input of faecal contamination in receiving water bodies and therefore, a major concern for health risks associated with aquatic recreation. Wastewater leakages, cross connections and overflows, together with faeces washed from surfaces during rainfall events, are possible origins of faecal contamination which enter these water bodies through stormwater ...


    By IWA Publishing

  • Collaboration as process: a case study of Michigan's watershed permit

    Collaborative watershed management has been heavily promoted and widely implemented to address a variety of natural resource concerns, resulting in the adoption and adaptation of the approach to management by regulatory agencies. Although several characteristics or indicators of success for watershed partnerships have been identified in the literature, these often portray a direct cause and ...


    By IWA Publishing

  • Water and Wastewater Finance and Pricing: The Changing Landscape

    This new edition of Water and Wastewater Finance and Pricing: The Changing Landscape analyses the process for developing an effective financial plan, focusing on components such as public and private sector financing, credit facilities, system development charges, interest rates, cost of debt issuance, and market conditions. Fully revised throughout, with new coverage of water reuse ...


    By IWA Publishing

  • Washington State DOE stormwater report - Case Study

    Fitesa, a non-wovens manufacturer in the state of Washington consistently tests stormwater but experienced problems meeting the stormwater standards for zinc and copper discharge. Zinc is used in galvanized metal, shingles, finishes in paints, and car tires—zinc iseverywhere. Copper is used in items such as in brake linings and pressure treated lumber. At sites near heavily traveled roads, ...

  • Modeling the hydrologic and economic efficacy of stormwater utility credit programs for US single family residences

    As regulatory pressure to reduce the environmental impact of urban stormwater intensifies, US municipalities increasingly seek a dedicated source of funding for stormwater programs, such as a stormwater utility. In rare instances, single family residences are eligible for utility discounts for installing green infrastructure. This study examined the hydrologic and economic efficacy of four such ...


    By IWA Publishing

  • Assessing the performances of low impact development alternatives by long-term simulation for a semi-arid area in Tianjin, northern China

    For areas that are urbanized rapidly, the practice of low impact development (LID) has gained an important place in stormwater management and urban planning due to its capability and beneficial effects in restoring the original hydrological cycle. The performances of LID alternatives can vary substantially due to different climate conditions. This study investigated the performances of five LID ...


    By IWA Publishing

  • Improving sediment removal in standard stormwater sumps

    Standard sumps are an important component of our stormwater drainage system. Recently they have received significant attention as a stormwater pre-treatment device to remove sediment from stormwater runoff. The objective of this research is to explore some simple structures to be installed inside standard sumps to improve sediment removal efficiency. A number of structures were tested and two ...


    By IWA Publishing

  • Preliminary investigation into the pollution reduction performance of swales used in a stormwater treatment train

    Permeable pavements have been shown to be effective stormwater treatment devices that can greatly reduce surface runoff and significantly improve the quality of stormwater runoff in urban areas. However, the potential problems with sediment clogging and consequent maintenance requirements have been identified as the main barriers to more widespread adoption of permeable pavements in urban ...


    By IWA Publishing

  • Stormwater retention basin efficiency regarding micropollutant loads and ecotoxicity

    Retention basin efficiency in micropollutant removal has not been very well studied, in particular for pollutants highlighted by the European Water Framework Directive of 2000 such as pesticides, polybrominated diphenyl ethers (PBDEs) and alkylphenols. This study is based on in situ experiments carried out on a stormwater retention basin with the aim of estimating the basin efficiency in ...


    By IWA Publishing

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