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AWWA JAW68767
- Journal AWWA - Uncovered Finished Water Reservoirs: Reflections, Regulations, and Resolutions
- Journal Article by American Water Works Association, 09/01/2008
- Publisher: AWWA
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Utilities with uncovered finished water reservoirsface many water quality, security, and regulatory challenges.These utilities will need to provide coveredstorage or treatment to comply with the Long Term 2Enhanced Surface Water Treatment Rule (LT2ESWTR)requirements. This article provides an overview of thehistory of uncovered reservoirs, identifies drivers forimproving protection of uncovered reservoirs, discussesoptions for compliance with the LT2ESWTR, presentsan approach to decision-making regarding compliance,and presents case studies that demonstrate how utilitieshave implemented various compliance alternatives.A variety of cover and treatment options arepotentially appropriate for LT2ESWTR compliance,and many evaluation criteria must be consideredwhen selecting a compliance alternative. It is recommendedthat each utility determine, prioritize, andrank its alternatives based on criteria that are specificto its regulatory compliance and project goals.Typical evaluation criteria include regulatory compliance,water quality effects, site aesthetics, operationsand maintenance requirements, vulnerability/ publicsafety, cost, permitting requirements, and designlife. Includes 26 references, tables, figure.
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