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Case Study: Wastewater Pond Dewatering

 

 

 

In 2011, the U.S. Army Corps of Engineers opened the Morganza Spillway, a 10-ton steel floodgate that has remained closed for more than four decades. The gate was opened to protect more densely populated cities downstream along the Mississippi River from the worst flooding in more than 70 years.

The spillway’s redirection of the flooded river sent water levels as high as 25 feet in rural areas of Mississippi. In Vicksburg, river water mixed with a massive industrial wastewater pond, threatening to defy containment and further exacerbate flooding in the area.

Rain for Rent provided a temporary pumping solution to gather water from the pond and discharge it into a tributary of the Mississippi River. Two PowerPrime DV600c 24-inch pumps, the largest portable centrifugal pumps in the industry, were set on a floating barge that would rise and fall with the level of the river while drawing water from the pond. The pumps produced 40,000gpm and prevented the containment pond from spilling over.