IIW

Project Category

Cox Springs Pumping Facility

The City of Peosta is currently constructing a new water pumping facility along Cox Springs Road. ... > READ MORE

Citywide Storm Sewer Mapping & Study

IIW is performing a Citywide Storm Sewer Mapping & Study for the City of Peosta, Iowa in an effort to improve the storm water conveyance system.... > READ MORE

Water Street over Wapsipinicon River

IIW’s work on the Water Street bridge over the Wapsipinicon River in Quasqueton, Iowa, began with the evaluation of a series of rehabilitation options. IIW helped city and county officials understand... > READ MORE

North Cascade Road over the South Fork Catfish Creek

IIW led the emergency replacement of the North Cascade bridge after it was washed out by a summer storm in Dubuque, Iowa. IIW’s engineering team conducted a hydrologic and hydraulic analysis to determine... > READ MORE

Lansing Wastewater Pumping & Treatment Facility

Using the technical expertise of IIW's engineering team, the City of Lansing upgraded its wastewater treatment system with a newly constructed extended aeration treatment plant (AeroMod) that’s also... > READ MORE