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The objective of this project was to develop and evaluate a practical technique to indicate the probability of the presence of bacterial pathogens in receiving waters. A practical method was defined as one that would limit the use of defined culture-based microbiological methods, and would be based on: (1) validating indicator organisms that predicted the presence of pathogens, or (2) detection of pathogens by polymerase chain reaction (PCR)-based assays.
The study also assessed the utility of PCR-based technology for bacterial pathogen detection with respect to technology transfer to a wider range of water and wastewater facilities.
Biosolids Samples Processing for Analyses of Pathogens
In this study, a two-step approach was used to develop new sample detection and processing methods that facilitate the application of molecular techniques to uses and...
Guidelines for Engineered Storage for Direct Potable Reuse
Direct potable reuse (DPR) is the planned introduction of recycled water either directly into a public water system or into a raw water supply immediately upstream of a water treatment plant. DPR...
Fate and Persistence of Pathogens Subjected to Disinfection
Disinfection of wastewater is a necessary treatment process for protecting the public from potential exposure to pathogenic microorganisms. Two common forms of disinfection are chlorine and...
Site Specific Risk Assessment Tools for Land Applied Biosolids
Available as eBook only
This report describes a linked environmental dispersion, exposure, and health effects model, known as the Spreadsheet Microbial Assessment of Risk:...
WateriD User Manual
Agencies are investing enormous resources into asset management programs for their water and wastewater piping systems, including comprehensive asset condition assessments and predictive...
Strategic Planning of Sustainable Urban Water Management
The strategic planning of urban water systems is a complex task.
The Urban Water programme covered projects from various disciplines at 9 Swedish Universities, from 1999 to 2006.
The...
Best Practices for the Treatment of Wet Weather Wastewater Flows
During wet weather events, separate and combined wastewater collection systems deliver substantial amounts of storm water runoff to wastewater treatment plants. Often these flows...
Analysis of Existing Community-Sized Decentralized Wastewater Treatment Systems
This nationwide study has gathered data/information for and examined the performance of large-scale decentralized and small community wastewater systems and flows...