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 was the Design Engineer on the design-build of a new building at an existing site in Ames, including site layout, grading, and utilities; design of a bioretention cell; design of a custom multi-tank storage system with staged outlet to provide quantity and quality stormwater storage per the existing City of Ames code; preparing the…
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…
Water towers are typically not something that people think about maintenance of. However, after having an inspection performed by a certified tank inspector, the City of Ackley determined that it was time to repair, replace, and modify their existing water tower. Based on the report, the City agreed to certain modifications to extend the life…
