Fort Madison Wastewater Redesigned

Published on January 5, 2015 08:59 by Water Network Research, Official research team of The Water Network in Business

The Fort Madison, Iowa, wastewater treatment plant is poised to undergo an extensive renovation that will improve its efficiency, as well as help protect it from flooding. The renovation is currently under design byStanley Consultants

The renovation is designed to maintain the plant's viability, improve energy efficiency, address nutrient reduction requirements, and provide flood protection. The upgrade will include a complete overhaul of the influent pump station and extensive replacement of the facility's treatment equipment, some of which is 50 years old. Process improvements include a higher performance grit removal system, a highly efficient new aeration system, new rotary drum thickening of biosolids, and biosolids storage tank that will improve the plant's treatment processes and increase biosolids storage capacity. The addition of a dechlorination process will facilitate operation of the existing chlorination disinfection system.

In keeping with the Iowa'snutrient reduction strategy, the upgrade will position the facility for future improvements to further reduce nutrients discharged into the environment. Initially, operational adjustments to the existing treatment processes will be utilized to optimize reduction of nitrogen and phosphorus minimizing initial capital expenditures.

The plant is located adjacent to the Mississippi River and regularly impacted by floodwaters. A critical part of the renovation includes a new flood protection system consisting of a combination flood wall, with demountable portions and a levee. As a critical facility and in consideration of climate change impacts, the chosen flood protection level is the 0.2 percent probability event.

Read details atStanley Consultants Website

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