CGA is currently working on the extension of sanitary and water main north along Leversee Road to service a new industrial subdivision for the City of Waterloo. We performed site boundary and topographical surveys as well as design services. This project also included the coordination of Runway 6-24 closure at the Waterloo Regional Airport, as…
CGA is currently assisting the City of Eldora with further process adjustments/alterations to reduce Total Phosphorous concentration in plant effluent to further Iowa DNR’s commitment of the Iowa Nutrient Reduction Strategy. Increasingly more stringent discharge standards made it necessary to upgrade the WWTP in the late 1990s. Preliminary engineering began about 1997 for replacing or…
CGA is currently assisting the City of Gilman with reducing inflow/infiltration; evaluating treatment technologies, and completing progress reports and implementation plans.
CGA installed an effluent pumping station that pumped the effluent to the UV Disinfection System that was raised above the 100-year flood plain. The plant will operate in that fashion March – November. During December through February, the pump station will be taken out of service and effluent will gravity flow to Wolf Creek because…
In an effort to meet the requirements of their operating permit, the City of Aplington made plans to resolve low-pressure areas within their community’s water system. The City proposed constructing an elevated storage tank at a location that would eliminate low-pressure areas. The plan sets the elevated tank at an overflow elevation that provides a…
CGA assisted the City of Montour with preparing a quote package for both repair and replacement of a baffle curtain. The City approved the contract and replacement started in January 2018.
