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| Decentralized stormwater controls provide a significant and promising alternative strategy to limit the number of overflows from combined sewer systems. This research evaluates the functional processes employed by decentralized controls and possible methods of quantifying stormwater retention and detention mechanisms. Pilot installations and modeling are demonstrating significant reductions in runoff volumes especially when targeted at problematic catchment areas of the collection system. The technical considerations and perceived impediments of urban retrofits are analyzed and a methodology for modeling effectiveness is outlined. The comprehensive benefits gained from decentralized controls, in addition to stormwater volume reductions, are also presented. The results of this research provide a framework for communities to begin implementing decentralized controls as a component of a combined sewer inflow reduction program. Analytical assessments of categorical controls are provided to aid in the selection of appropriate decentralized techniques and strategies. This report is available only as a pay-per-view item. |
Decentralized Stormwater Controls for Urban Retrofit and Combined Sewer Overflow Reduction, Phase 2
Phase 1 of this project demonstrated the technical feasibility of using decentralized stormwater controls in urban areas for retrofits and controlling combined sewer overflows. This technical...
21st Century Water Municipal Issues and Concerns: Literature Review
Ten years into the 21st Century, municipal and county leaders are facing significant water challenges, including: high water use rates, population growth, aging infrastructure, and the impact of...
Tools for Evaluating the Benefits of Green Infrastructure for Urban Water Management
Available as eBook only.
Communities are increasingly looking to green infrastructure as a means of meeting not only stormwater management objectives but multiple...
Cryptosporidium Removal, Occurrence, and Inactivation Methods for Wastewater
Treatment of drinking water was once considered sufficient for reducing the risk of infection from pathogenic organisms. However, as our knowledge of established and emerging pathogens in water...
Advances in Recovering Plasmids from Wastewater: A State of the Science
Plasmids are small rings of double stranded DNA that are found in all three domains of life: the Bacteria, the Archaea, and the Eukarya. Plasmids encode for proteins that provide their host...
Research Digest: Field Validation of Biokinetic Coefficients for Predicting Degradation of Organic Compounds
This research was the first significant demonstration of an extant respirometric test to determine the biodegradation rate parameters (biokinetics) of select individual organic compounds at full...
Fate of Engineered Nanomaterials in Wastewater Biosolids, Land Application, and Incineration
Laboratory experiments were conducted using two types of well characterized ENMs, including ENMs of similar size but different surface functional group and ENMs...
Source Separation and Treatment of Anthropogenic Urine
Anthropogenic urine, although only 1% of domestic wastewater flow, is responsible for 50-80% of the nutrients and a substantial portion of the pharmaceuticals and hormones present in the influent...
Sewer Networks and Processes within Urban Water Systems
The papers in this volume were originally presented at the 18th European Junior Scientists Workshop (EJSW), Portugal, on 8-11 November 2003 and at the 1st Asian Junior Scientists Workshop (AJSW),...
The Effect of Wet Weather Driven Dissolved Oxygen Sags on Fishes in Urban Systems
Available as eBook only
Waters in urbanized areas often experience hypoxic events due to combined sewer overflows and urban runoff. Low...
Characterizing Mechanisms of Simultaneous Biological Nutrient Removal During Wastewater Treatment
Simultaneous biological nutrient removal (SBNR) is the removal of nitrogen and/or phosphorus in excess of that required for biomass synthesis in biological wastewater treatment systems where there...