Development of a Trihalomethane Control Strategy

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Title: Development of a Trihalomethane Control Strategy
Author: Skalsky, Daniel S. ; Hildebran, Randy E. ; Simmons, Carl S.
Abstract: In 1974, Congress adopted the Safe Drinking Water Act (SDWA) which directed the U.S. Environmental Protection Agency (EPA) to develop national standards for drinking water quality. As a result of growing concern about the health effects of trace chemical compounds and other radio-nuclide and biological contaminants occasionally found in drinking water, the Safe Drinking Water Act was amended by Congress in 1986. With the current trend toward new and more stringent regulations, advanced water treatment technologies are being utilized with increasing frequency to meet the challenge of providing safe drinking water. In recognition of the impact of the SDWA Amendments of 1986 and forthcoming drinking water requirements, the City of Raleigh, North Carolina has embarked on an aggressive study to ensure that future drinking water treatment goals are achieved. Brown and Caldwell has been working with the firm of Olsen Associates to prepare a master plan for the City of Raleigh's E.M. Johnson Water Treatment Plant (WTP). The objectives of the study are to: Conduct a review of the existing water treatment process, raw water and finished water quality and current regulatory trends, and to identify treatment processes that may be required in the future to meet recently adopted and anticipated water quality regulations; Prepare a master plan for the E.M. Johnson WTP that provides for the expansion of the treatment facilities to their ultimate capacity of 100 mgd, incorporates currently required changes in the treatment processes, and provides flexibility for future anticipated treatment processes; and Prepare preliminary cost estimates and recommendations for new facilities included in the master plan. This paper focuses on the formation of trihalomethanes (THMs) and their control using a variety of treatment technologies. Trihalomethane concerns and control alternatives are discussed, and the strategy recommended for the EM. Johnson WTP is presented.
Description: Proceedings of the 1989 Georgia Water Resources Conference, May 16-17, 1989, Athens, Georgia.
Type: Proceedings
ISBN: 0-935835-01-6
Date: 1989-05
Contributor: Brown and Caldwell
Olsen Associates, Inc.
Raleigh (N.C.). Public Utilities
Relation: GWRI1989. Water Engineering
Publisher: Georgia Institute of Technology
Institute of Natural Resources
Subject: Water resources management
Water treatment technologies
Drinking water requirements

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