AWWA Research Foundation

Miodrag Belosevic

Cryptosporidium Parvum Viability Assay

AWWA (American Water Works Association)

Robert S. Raucher

Aimed at helping drinking water utilities develop key relationships with the diverse users of the same environmental resources that utilities need to provide reliable supplies of high quality drinking water to customers, this AAWA-sponsored report contains tools and resources developed from ten utility case studies, surveys of 30 utilities, evaluation of the outcomes of two workshops, and literature reviews. It also offers an executive summary and 19 exhibits including such stakeholder alliance tools as guides, handbooks, and programs; institutional and regulatory programs and contacts; technical assistance; and financial assistance resources. Lacks an index. An erratum refers to report #90826 and credits the consulting firm. Annotation c. Book News, Inc., Portland, OR (booknews.com)

Guidance to Utilities on Building Alliances with Watershed Stakeholders

Great Britain. Drinking Water Inspectorate

Cryptosporidium Viability and Infectivity Methods

American Water Works Association

Raymond D. Letterman

A Study of Low-level Turbidity Measurements

Hanbin Li

Sequential Disinfection Design Criteria for Inactivation of Cryptosporidium Oocysts in Drinking Water

Microbial Impact of Biological Filtration

Advances in Taste-and-odor Treatment and Control

Ontario. Ministry of Environment and Energy

S. A. Sattar

Giardia Cyst and Cryptosporidium Oocyst Survival in Watersheds and Factors Affecting Inactivation

Douglas M. Owen

Removal of DBP Precursors by GAC Adsorption

Gary L. Amy

Mohamed S. Siddiqui

Strategies to Control Bromate and Bromide

The project goal of this research report was to assess the impact of dynamic water quality conditions in distribution systems on the inactivation of microorganisms, particularly organisms in suspension in the bulk fluid. The research specifically focused on factors affecting the maintenance of a secondary disinfectant residual and the benefits of maintaining various target levels. Using existing data, literature was reviewed, a model was attempted, and a survey was conducted along with an analysis of the data. The project and approach assessed the ability of a disinfectant residual to serve as an indicator for distribution system microbial integrity. Jointly sponsored by: U.S. Environmental Protection Agency and AWrrF.

Impact of Distribution System Water Quality on Disinfection Efficacy

AWWA Research Foundation

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