This study identifies causes and provides solutions to mitigate against external corrosion of buried water mains. Discussed are environmental conditions, economical solutions, risk-management techniques and benefits to utilities and customers. The accompanying CD-ROM contains a corrosion control master plan, case studies, and test and survey data.

External Corrosion and Corrosion Control of Buried Water Mains

Science & Math

Romer, Andrew E.

Bell, Graham E.C.

Duranceau, Stephen J.

Foreman, Scot

Earth Sciences

American Water Works Research Foundation

This research report is written for engineers who design for the treatment and disposal of water treatment residuals. The book provides engineering, treatment, and disposal data and discussions for all types of water treatment residuals, including those created by coagulant and lime softening, filter backwash water, low-pressure and high-pressure membranes, ion exchange and inorganic adsorption processes, arsenic treatment, radioactive substances, and spent GAC. A chapter also discusses the marketing of water treatment plant residuals for beneficial uses.

Water Treatment Residuals Engineering

Cornwell, David

Nature & Ecology

The purpose of this project was to produce a succinct, educational report (Primer) for use by the drinking water utility industry outlining the current state of scientific understanding regarding the potential impacts of global climate change on water utilities, water supply, demand, and relevant water quality. Utilizing input from industry and science participants, the report includes a summary of the relevant science that explains the linkages between climate change and the hydrologic cycle and outlines what is known and unknown about future changes in regional hydrologic conditions. The report also discusses planning and response strategies. Contains CD with the full searchable Primer, with extensive links to additional reference materials; color pages throughout.

Climate Change and Water Resources:: A Primer for Municipal Water Providers

Business & Money

Yates, David

Miller, Kathleen

Economics

Low or negative pressure transients (also called surge or water hammer) create temporary opportunities for external chemical and microbial contaminants at higher pressure to enter the water distribution system, creating potential health hazard and potential weakening of distribution pipes, leading to failure.  This study investigates how such events as power outages, pump shutdowns, valve operations, main flushing, firefighting, and main breaks can create significant rapid, temporary drops in system pressure. The report offers useful recommendations for using surge models to optimally locate pressure monitors and to minimize the occurrence and impact from low- and negative-pressure transients.

Susceptibility of Distribution Systems to Negative Pressure Transients

Engineering & Transportation

Fleming, Kala

Dugandzik, Joseph G.

LeChavellier, Mark

Gullick, Richard

Engineering

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Books by American Water Works Research Foundation