stormwater law Articles

  • The 7 Tips for Highly Effective Stormwater Management By-Laws

    ABSTRACT The Stormwater Phase II Final Rule, which applies to small municipal separate storm sewer systems (MS4s) in “urbanized areas”, requires communities across the country to adopt local legislation that will control the harmful effects of stormwater runoff and prohibit non-stormwater pollution from entering the drainage system. Adopting a thoughtful and comprehensive stormwater by-law ...

  • 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

  • Inclined Plate Settlers to Treat Stormwater Solids

    ABSTRACTIt has been well-documented that, in stormwater runoff, many of the problem pollutants are associated with the particulate fraction. Past characterization of urban runoff and source contributions has shown the following: (a) soil disturbance increased the TSS and turbidity in the runoff; and (b) correlations were observed between TSS and particulate runoff concentrations of chromium, ...

  • Developing a Stormwater Infrastructure Geospatial Database for a Large Non-Traditional MS4 System

     ABSTRACT The Massachusetts Department of Conservation and Recreation (DCR) is a state agency which owns and maintains parks, conservation and watershed land, and roadways. They are regulated as a non-traditional MS4 stormwater municipality under the U.S. Environmental Protection Agency’s (EPA) National Pollutant Discharge Elimination System (NPDES) Phase II program. To satisfy the ...

  • Green Roof Media Selection for the Minimization of Pollutant Loadings in Roof Runoff

    ABSTRACTStormwater is a leading cause of water quality impairment in estuaries like the Chesapeake Bay. Green roofs are a potential best management practice for urban areas where land for traditional stormwater practices is unavailable. They are aesthetically pleasing, with excellent water retention ability. However, it is unknown how effective they are at treating stormwater. Typical media ...

  • Are we still protecting the environment?

    Growing public awareness and concern for controlling water pollution led to enactment of the Federal Water Pollution Control Act Amendments of 1972. As amended in 1977, this law became commonly known as the Clean Water Act. Since its inception we have seen the evolution of Stormwater Best Management Practices to meet the demands of treatment and pretreatment of stormwater runoff from the roof ...


    By Environment 21, LLC

  • The Power to Separate

    Gravity separators are effective and economical tools used to process wastewater and stormwater by removing pollutants such as sediment, hydrocarbons and debris through the process of sedimentation or flotation. Most separators have few or no moving parts, are easy to maintain and have a successful history of use in many different industrial, commercial and residential applications. Specifying ...


    By BaySaver Technologies, Inc.

  • 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

  • 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

  • Innovative Strategies to Apply Water Quality Criteria for Bacteria: A 50-State Survey of EPA-Approved Approaches for Freshwaters

    ABSTRACTSection 101 of the Clean Water Act requires recreational activities to be protected when and where they occur. States, which have adopted a wide variety of strategies to meet this obligation, have one or more formal use classifications to recognize different types of recreational activities. Most states have developed narrative or numeric water quality criteria to limit pathogen pollution ...

  • New Uses for Old Landfills and Dumps? - Sure, if done Right!

    Untitled Document NEWS ITEM AS PUBLISHED IN THE NOVEMBER/DECEMBER EPA BROWNFIELDS 2005 CONFERENCE ISSUE INTRODUCTION Redeveloping property ...

  • Cities are the greatest hope for our planet

    If we design cities like ecosystems, they would have the potential to address many of our most pressing issues. Of all the things people build, cities are the most important. Cities are the largest things we build, and most people now live in them. But that’s not why cities are our most important invention. Cities matter because they ...


    By Ensia

  • Canarina DISPER Software · air pollution · algorithms 2

      Software · air pollution · algorithms 2   Symbol / Definition Ly= Initial plume length for Schulman-Scire downwash sources ...

  • World’s largest compressible media filtration plant eliminates combined sewer overflows, with potential for dry-weather use

    The City of Springfield, Ohio, recently opened its 100 MGD enhanced high-rate treatment facility, designed to treat and disinfect combined high-volume stormwater and wastewater flows generated by wet-weather conditions. Utilizing EPA-documented Compressible Media Filtration technology – FlexFilter™ from WesTech – the system can also provide tertiary filtration and disinfection ...


    By WesTech Engineering, Inc.

  • Hey, America: It’s time to talk about the price of water

    Recent woes have drawn unprecedented attention to the worth of fresh, clean water. Can it change the way we pay for the world’s most undervalued resource? This summer, a 90-year-old water pipe burst under Sunset Boulevard in Los Angeles, sending a geyser 30 feet into the air and a flood of troubles over the UCLA campus. Raging water and mud trapped five people, swamped 1,000 cars ...


    By Ensia

  • Suburban sprawl doesn’t have to be ecologically devastating

    As development gobbles up open space, conservationists take a fresh look at subdivisions with biodiversity in mind. Fort Collins, Colo., is a growing, vibrant college town with a typical American problem: Beyond its idyllic historic city center, cookie-cutter subdivisions are eating away at farm fields, ranches and forests. According to the ...


    By Ensia

  • Integrated Environmental Risk Management in Real Estate Transactions

     Traditional risk management posits a rational, five-step process for managing risks. The outstanding differences between this traditional process and the environmental risk management process lie in the technicality and complexity of step one (identifying and analyzing environmental risk) and of the first part of step two (examining the feasibility of  alternative risk management, ...

  • ASTM Standards Help Meet Need for Clean Water

    The new ASTM Water Portal provides a single access point to standards and related information about ASTM International’s diverse committees working to protect and monitor this vital global resource. Clean and safe water is the underpinning of the quality of life for people around the world. Global economies depend on water, whether it’s to support the manufacturing of goods ...


    By ASTM International

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