Donohue has performed Wastewater projects for public and private clients throughout the Midwest and beyond. Several case studies are provided below. These demonstrate some of our Wastewater experience and expertise that spans the entire wastewater system, from the collection system to the resource recovery facility.
Donohue was selected to provide planning, design, bidding, and construction phase services for the Evansville Eastside WWTP Effluent Pumping Station.
Donohue & Associates completed the planning, design, construction observation, and startup services for this successful project.
This project was a first-of-its-kind installation in the St. Louis area with arc resistant switchgear, Ameren integrated cold sequencing metering, and low resistance grounding that enhances the safety, reliability, and longevity of the District’s most critical facility for many years to come.
Donohue evaluated the existing activated sludge aeration system at the Wyoming Clean Water Plant. Three key areas for aeration efficiency improvements were identified: diffuser equipment, blower equipment, and process control upgrades.
The City retained Donohue to develop a Facility Plan for this regional wastewater treatment facility. In addition to facility planning, Donohue has completed a litany of projects for Brookfield.
The Kenosha Water Utility embraces value-added innovation. The Utility recently completed an innovative project at their Water Resource Recovery Facility (WRRF) that demonstrates commitment to their unique brand of sustainability: protecting the financial well-being of their rate payers and enhancing the environmental benefits offered by their practice.
Donohue worked collaboratively with the City of Eau Claire through planning, design, and construction of a complete replacement of the secondary treatment system with a biological phosphorus removal activated sludge system.
Donohue conducted an evaluation of resource recovery and energy efficiency opportunities at the St. Cloud Wastewater Treatment Facility (SCWWTF).
The Village of New Lenox owns and operates three water reclamation facilities.
The City of Beloit hired Donohue to assist with evaluating phosphorus compliance in the near and long term and to develop a planned phasing of improvements.
The City of Hutchinson, Minnesota retained Donohue & Associates to explore means of increasing capacity at the City’s wastewater treatment facility.
The Western Lake Superior Sanitary District (WLSSD) retained Donohue to collaboratively develop an Energy Master Plan for their wastewater treatment facility.
Donohue & Associates was retained to evaluate the feasibility of developing a regional waste resource recovery program for the Milwaukee Metropolitan Sewerage District.
Donohue developed and utilized a calibrated BioWin process model to identify and evaluate feasible alternatives to achieve future low nutrient effluent limits for the North Shore Water Reclamation District.
The City of Fort Wayne retained Donohue & Associates to design major improvements to its 550 mgd Wet Weather Pump Station (WWPS).
The City of Indianapolis retained Donohue to provide planning, design, and construction phase services for a new SCADA system to replace the City’s existing wastewater conveyance alarm system.
The City of Indianapolis retained Donohue to provide planning and design services for a new, state-of-the-practice integrated process control system at both plants.
The City of Goshen retained Donohue & Associates for a CSO abatement project, which was designed to enable the City to accomplish all of its LTCP requirements within a single 5-year discharge permit cycle.
Donohue has developed a robust MIKE URBAN hydrologic/hydraulic model capable of simulating dry and wet weather flows from the varied service areas including direct runoff and rainfall dependent inflow and infiltration.
Richmond’s Southeast Sanitary Basin was experiencing surcharging and sanitary sewer overflows (SSOs) during wet weather events.
Donohue & Associates was retained by Jefferson City to evaluate alternatives to upgrade the 2,000-gallon-per-minute (gpm) Cole Junction Pump Station to convey 14,000 gpm during a 10-year storm event.
Donohue & Associates was retained by the City of Willmar to provide planning, design, and program management services for a new 7.5 mgd average-day wastewater treatment facility and associated collection system improvements.
Donohue completed a two-phase project to develop a Sanitary Sewer Master Plan for Waukesha. This project identified the most cost-effective combination of Inflow and Infiltration (I/I) reduction, increased conveyance, and/or flow equalization to provide reliable wastewater collection for current and future customers.
The District retained Donohue to develop a planned approach for biosolids equipment replacement, process improvements, and future issues.
Donohue designed the new facility including a 3-mg underground storage/primary treatment tank, a flow control structure, submersible lift station with 7200 gallons per minute (gpm) duplex pumping system, flow monitoring equipment, tank flushing system for odor control, and associated piping.
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