stormwater discharge Articles
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Contribution of trace metals from atmospheric deposition to stormwater runoff in a small impervious urban catchment
The contribution of atmospheric deposition to emissions of trace metals in stormwater runoff was investigated by quantifying wet and dry deposition fluxes and stormwater discharges within a small, highly impervious urban catchment in Los Angeles. At the beginning of the dry season in spring 2003, dry deposition measurements of chromium, copper, lead, nickel, and zinc were made monthly for 1 ...
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Influence of the land use pattern on the concentrations and fluxes of priority pollutants in urban stormwater
This paper presents the results of the concentrations (μg/L) and fluxes (g/ha) of priority substances in stormwater from three watersheds with different land use patterns (namely, residential, urban dense, high urban density). Samples were collected at the outlet of these watersheds. Thirteen chemical groups were investigated corresponding to 88 individual substances before treatment. Results ...
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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 ...
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University of Washington portal - Case Study
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 ...
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With BOD, What You See is Often Not What You Get: The Difficulty with Accurate Testing for BOD in Industrial Stormwater Runoff.
Biochemical oxygen demand (BOD) is a measure of the amount of dissolved oxygen used by microorganisms to break down organic material in a sample of water. As they do so, these microorganisms deplete the amount of dissolved oxygen in the water, which can be deadly for aquatic species like fish that rely on dissolved oxygen to live. Because of this hazard to aquatic life, BOD is considered an ...
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What is stormwater?
Stormwater runoff, water that isn’t absorbed into the ground after a weather event, is a potential water source that cities across the world have struggled with for decades. Why is coping with it such a challenge? Whether the precipitation is water or ice, its addition to the environment can be a problem, especially when a lot of it falls in a short amount of time. When this occurs in ...
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Porous pavement technology - Case Study
Porous pavement systems address environmental issues, such as aesthetics and permeability, while providing needed support for a wide variety of loading requirements. From heavy emergency vehicles to pedestrian foot traffic, porous pavement applications range from fire access lanes to utility roads, trails, walkways, and other high use areas. Porous systems are designed to handle the most ...
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Using Permeable Eco-Paving to Achieve Improved Water Quality for Urban Pavements
This paper describes the planning, design and construction of a permeable pavement as a practical demonstration of the benefits of eco-paving in Australian environmental management. The paper addresses the use of permeable pavements as part of a Water Sensitive Urban Design that allows infiltration of stormwater, reduction of pollutants and slow reticulation of the stormwater to an ecologically ...
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Using Permeable Eco-Paving to Achieve Improved Water Quality for Urban Pavements - Case Study
Abstract This paper describes the planning, design and construction of a permeable pavement as a practical demonstration of the benefits of eco-paving in Australian environmental management. The paper addresses the use of permeable pavements as part of a Water Sensitive Urban Design that allows infiltration of stormwater, reduction of pollutants and slow reticulation of the stormwater to an ...
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Geoweb Swale Drain - Forrestdale Business Park, WA - Case Study
Project: Geoweb Swale Drain Date: October 08 Client: Georgiou Group Location: Forrestdale Business Park, WA The new business development park at Forrestdale, located on the corner of Lakes/ Ranford Road, Forrestdale (approx.20km south of Perth CBD) required for the discharge of stormwater runoff from the road infrastructure to be captured and redirected to the business park sump. ...
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Seatac airport third runaway - Case Study
Active Treatment with 1% ChitoVan™ Chitosan Acetate The west side of Sea-Tac airport was widened by adding 11 million cubic yards of fill dirt to create the 3rd runway. Because the west side of the airport drains to Miller Creek, a protected NW stream, all of the construction stormwater had to be captured and treated prior to discharge. During the project over 5 billion gallons of water ...
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Reuse turns stormwater runoff from a problem to an asset
With so much concern about water scarcity around the world, it seems a no-brainer that rain is a good thing. But nothing’s perfect. Even something as beneficial as precipitation can have its downsides. One problem, of course, is flooding. Another problem you may not have thought of comes with stormwater runoff in urban settings. What’s the problem? In cities, buildings and pavement ...
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Going Green in D.C. Case Study
Green infrastructure practices serve as decentralized alternatives to traditional wet weather controls in urban areas where land is limited and sewer infrastructure is often stressed to capacity. Green infrastructure attempts to restore natural hydrologic processes and decreases the quantity of runoff, reduces peak flow rates, and improves water quality. In addition, green infrastructure can ...
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Developing a public information and engagement portal of urban waterways with real-time monitoring and modeling
Waterways can contribute to the beauty and livelihood of urban areas, but maintaining their hydro-ecosystem health is challenging because they are often recipients of contaminated water from stormwater runoff and other discharges. Public awareness of local waterways’ health and community impacts to these waterways is usually poor due to of lack of easily available information. To improve ...
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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 sand, ...
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Weathering the Storm
Construction excavation and earthmoving recently got a bit more complicated as Phase II of EPAs Storm Water Final Rule went into effect this past spring. The change creates potential for rental dealers who specialize in construction equipment to capitalize on a unique opportunity. While the subject seems new to some, Phase II originated from a 1992 court decision handed down in a lawsuit against ...
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Cost effectiveness of centralised and decentralised storm water treatment
As part of a research & development project commissioned by the Land of North Rhine-Westphalia's Ministry for the Environment and Nature Conservation, Agriculture and Consumer Protection (MUNLV) an examination is being carried out of the general possibilities for centralised and decentralised treatment storm water runoff to be discharged into (canalised) receiving waters and the costs ensuing ...
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Partnering in watershed management and community engagement case study
Challenge: A Fortune 100 company requested our ecological expertise and support for its watershed management program and its pledge to replenish water used in production of its products back to nature and communities in the U.S. and Canada. Antea Group's assistance includes source water protection, community watershed partnerships, and technical support for other water resource initiatives to ...
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Stormwater Best Management Practices (BMP)
Storm water is the result of rain or snow melt that collects in an area that can drain from into a nearby body of waters such as a lake or river. The water can collect on roof tops, parking lots, saturated ground, roads, etc. The problem is that many of the pollutants of our modern living such as oil, grease, pesticides, sediment, salt, and animal waste are washed away within the storm water and ...
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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, ...
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