• AWWA WQTC65792

AWWA WQTC65792

Modifying Reservoir Operations to Reduce Turbidity

American Water Works Association , 11/01/2007

Publisher: AWWA

File Format: PDF

$12.00$24.00


This powerpoint presentation reports on a Catskill turbidity control study in New York state. Storm events in the Schoharie and Ashokan watersheds lead to periodic elevated turbidity levels in the Catskill system. The overall study goal was to develop a comprehensive analysis of engineering and structural alternatives at the Schoharie Reservoir that may reduce turbidity levels entering Esopus Creek. topics covered include: Reservoir Modeling Framework; Reservoir Water Quality Model; Reservoir System Operations Model; Evaluation of Alternatives; Turbidity; Temperature; and, Cost/Benefits. Study conclusions found that: a powerful modeling framework enabled a robust, performance-based evaluation of possible alternatives that captures feedback between system operation and reservoir water quality, and captures a wide range (57 years) of forcing conditions and gives a more accurate picture of long-term performance; models are critical for sound decision-making in complex systems; and, worthwhile evaluating alternatives using a robust modeling framework before making major capital decisions. Includes tables, figures.

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