Storm Drains Articles

  • How do You Know When You Need Commercial Plumbers

    In your day-to-day routine, either at home or at your business, the plumbing doesn’t get much attention. That is, until it starts showing warning signs of problems via sinks, tubs, and shower stalls not draining, toilets not flushing, or sewage backing up into your basement. It’s true you can buy drain openers and cleaners in the hardware store or even in the grocery store, but these ...


    By TRIC Tools 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 ...

  • Quantification of exposure to fecal contamination in open drains in four neighborhoods in Accra, Ghana

    In low-income countries, rapid urbanization adds pressure to already stressed water and sanitation systems that are critical to the health of communities. Drainage networks, designed for stormwater but commonly used for disposing of waste, are rarely covered completely, allowing residents to easily come into contact with their contents. This study used spatial mapping, documentation of ...


    By IWA Publishing

  • 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

  • Geotextile Gravel Pavers keep lake clean in Denver - Case Study

    Denver’s City Park is an iconic symbol of the Mile High City. The oft-photographed park is home to the city’s zoo and the Denver Nature and Science Museum, as well as sports and recreational areas. In 2014, the asphalt parking lot for the Denver Pavilion inside the park was scheduled to be resurfaced. The city, with the help of StudioCPG, a landscape architecture and planning firm, ...


    By Invisible Structures, Inc.

  • Modeling of coastal water contamination in Fortaleza (Northeastern Brazil)

    An important tool in environmental management projects and studies due to the complexity of environmental systems, environmental modeling makes it possible to integrate many variables and processes, thereby providing a dynamic view of systems. In this study the bacteriological quality of the coastal waters of Fortaleza (a state capital in Northeastern Brazil) was modeled considering multiple ...


    By IWA Publishing

  • Green Water Infrastructure

    Stormwater runoff is a major cause of water pollution in urban areas. When rain falls on roofs, streets, and parking lots, the water cannot soak into the ground. In most urban areas, stormwater is drained through engineered collection systems and discharged into nearby waterbodies. The stormwater carries trash, bacteria, heavy metals, and other pollutants from the urban landscape, degrading the ...


    By IWA Publishing

  • 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

  • Hydrogen sulfide removal from sediment and water in box culverts/storm drains by iron-based granules

    A renewable granular iron-based technology for hydrogen sulfide removal from sediment and water in box culverts and storm drains is discussed. Iron granules, including granular ferric hydroxide (GFH), granular ferric oxide (GFO) and rusted waste iron crusts (RWIC) embedded in the sediment phase removed aqueous hydrogen sulfide formed from sedimentary biological sulfate reduction. The exhausted ...


    By IWA Publishing

  • Shoreline property upgrade saved by Lightweight stormwater solution case study

    Renovating a residential property may be commonplace, however upgrades adjacent to the sensitive Bayou Texar estuary in Pensacola, FL, is a bit more difficult. The estuary is an ecologically sensitive area protected by the Florida Department of Environmental Protection. The consulting engineer and contractor had a problem; with limited space, how do they keep stormwater on site with the addition ...

  • DFW direct bury of storm sewer case study

    Airport Solutions North Texas Contracting has placed the first HOBAS pipe at DFW International Airport in the Dallas/Fort Worth mid-cities. That first installation was a repair to an 84-inch corrugated steel culvert that had failed and created a sink hole approximately 30 feet deep and almost 20 feet in diameter after a series of heavy rains in 2007. North Texas Contracting of Keller, Texas ...


    By Hobas Pipe USA

  • Storm Drain

    A storm drain, storm sewer (U.S.), stormwater drain (Australia and New Zealand) or drainage well system (UK) or simply a drain or ...


    By IWA Publishing

  • Diffuse pollution

    Diffuse Pollution or Nonpoint source (NPS) pollution is water pollution affecting a water body from diffuse sources, such as polluted runoff from agricultural areas draining into ...


    By IWA Publishing

  • University of Washington portal

    Active Treatment and Wheel Wash Water Treatment In late 2008 construction began on the 3-year Seattle Light Rail University of Washington link connecting the university with downtown Seattle. Because this site drains to Lake Washington and the Montlake Cut the City of Seattle has put extra emphasis on protecting surface water from contaminated stormwater runoff. In fact, the city routinely ...


    By Dungeness Environmental

  • A little insurance with a big payback

    A supermarket owned by a prominent West Coast chain had been under threat of being cited by local authorities to the proximity of one of their storm drains to the store’s garbage compactor. The drain needed to be protected from both the threat of the miscellaneous fluids which emanated from the compactor as well as from the potential for a hydraulic fluid leak. A Safe Drain was installed as ...

  • Safe Drain® Contains Jet Fuel Spill

    "During a routine fueling operation, our facility experienced a fuel spill, which allowed approx 50 gallons of jet fuel to enter into a storm drain. The extremely unpleasant fallout from this event included facing Airport and regulatory officials and yes fines! This event resulted in our decision to install Safe Drains spill protection devices in each of the 20 storm drains on our ramp areas. ...

  • Safe Drain® Saves My Facility From Accidental Spill

    "I am writing to thank-you for a great product. This morning we had a 25 gallon diesel spill near our Vehicle Service Area. The spill was a fluke - from the tank of a truck that was parked on a gradient - left without a gas cap. Diesel poured out of the truck onto the asphalt - directly into a newly installed Spill Safe Drain that was closed tightly. All of the spilled product was recovered, ...

  • How do you clean a stormwater management pond?

    How do you clean a stormwater management pond (SMWP) without draining the pond first? A clean-out of the SWMP is required once every 5-15 years to remove accumulated sediments to ensure the pond continues to function as intended. Drainage of the SWMP is not always required to facilitate the clean-out. By combining the pumping and excavation into one process! New pumping technology - Dragflow ...


    By Aquatech Dewatering Company

  • High Water Protection case study

    References from WaStop International´s own patented products. WaStop solves problems in a secure and efficient way. Skövde, WaStop 500mm - SWEDEN Several WaStop from 200mm to 500mm have been installed in Skövde, Sweden. The checkvalves have been installed in surface water outlets in Tidan community to protect the pipe system against high water coming from the ...


    By WaStop International AB

  • Transitioning to a waterways city: municipal context, capacity and commitment

    In Melbourne, Australia, the adoption of Water Sensitive Urban Design (WSUD) and the inclusion of best practice in new urban development has shifted the “drained city” of the 1960s toward an environmentally-oriented “waterways city” for the future. However, the “waterways city” is tenuous owing to the variable commitment of local municipalities to WSUD. This paper reports on the first phase of a ...


    By IWA Publishing

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