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Tim Campbell (left) signals forklift driver Mark Bernal to keep retracting the boom as Erick Halaburt helps align the first rod in the 14-inch pump flange.
Operators at the Two Rivers (Wisconsin) Waterworks noticed flow restrictions in the 24-inch raw water intake pipe in Lake Michigan that limited production to 1.6 mgd, versus the water treatment plant’s 3 mgd design.
In late 2015, the Wisconsin Department of Natural Resources...