AWWA DSS60336

This slide presentation outlines information on a project to bring the City of East Moline Water Treatment Plant into compliance with the Interim Enhanced Surface Water Treatment Rule and the Disinfectants/Disinfection Byproducts Rule (D/DBPR). Other concerns included: meeting the requirements of future regulations such as the Filter Backwash Rule and the Stage 2 Microbial and D/DBPR, ensuring proper chemical pretreatment, ensuring proper rapid mix and flocculation, and reducing finished water turbidity. Topics covered include: seasonal water quality issues; historical water quality summary; site plan; improvements to raw water pumps, rapid mix basins, flocculation and sedimentation basins; alternative treatment technologies; estimate of probable construction costs; and, results of the effort.