All Case Studies
With a cross-section of projects, this section provides a glimpse of Donohue’s capabilities highlighting our drinking water, wastewater, stormwater and transportation experience and expertise.
Donohue provided planning and designed improvements to increase the effective capacity and improved reliability at Illinois American's Main Station Water Treatment Plant.
Coldwater Board of Public Utilities operates and maintains the Water and Wastewater Treatment Facilities. Donohue assisted the Utility in standardizing the control system throughout the facilities.
Donohue was retained to develop plans and specifications for construction of two new clearwells and a high service pump station to bring the water plant into compliance with current code.
Donohue was retained by the City of Sheboygan for the planning, design, and construction of two new water storage reservoirs and a booster pumping station along I-43/STH23. The twin reservoirs increase the Utility’s water storage capacity by 92%.
The City of O’Fallon retained Donohue to update its model of the water distribution system.
Donohue designed a new water supply system for the South Sangamon Water Commission in Central Illinois.
When the City of Fort Wayne completed their Water Utility Master Plan, several important projects were identified at the Three Rivers Filtration Plant (TRFP), including a new finished-water high-service pumping station to replace the plant's original station.
With an original water treatment facility built in 1910, the South Milwaukee Water Utility desired a higher level of water quality that would meet the Utility’s drinking water needs for today and for the next generation of residents.
Donohue assisted the City of Silvis with a painting and rehabilitation project for a 400,000-gallon elevated tank located in a residential setting.
The City of O’Fallon owns and operates an MDNR-permitted public water supply and retained Donohue to evaluate the best means of providing ground level storage.
This project replaces three water mains between Elkhart’s North Wellfield storage tanks and the chemical addition and high service pumping facility.
Donohue was retained by Aqua Illinois, a water company that owns and operates the public water system serving the City of Danville, Illinois, to design water main replacements in five separate areas in the City.
Donohue was retained by the City of Goshen to provide master planning, design, construction administration, and programming services for a new Supervisory Control and Data Acquisition (SCADA) system that addressed both current and future needs of the City’s water and wastewater facilities.
Donohue & Associates led design/build services for a new control system at a Midwest water utility serving over 800,000 residents.
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.
Donohue worked with the City of Waukesha to implement one of the recommended alternatives from the Stormwater Management Plan. Donohue provided XP-SWMM 2-D analysis, developed alternatives, and determined the feasibility, cost, and flood reduction potential of various storm sewer alternatives.
Donohue is part of a team assisting the Village of Robbins with this important flood control project.
Donohue completed a stormwater management plan for the watershed, including development of an XP-SWMM 2D hydraulic and hydrologic model. The model was used to evaluate and recommend a series of improvement alternatives that, once implemented, will provide the desired level of protection from flooding.
Donohue provided analysis of upstream flows and design of new storm sewers to convey this flow to the DOT project. Donohue then designed the storm sewer and a new outfall to convey stormwater from the outlet of the DOT project to the bay of Green Bay.
Donohue designed improvements for IDOT’s Pump Station No. 27, the existing main drains, and an outlet channel for drainage from tributary areas of I-94, I-57, and the Stony Island Extension in the southern section of Chicago.
Rossville is a combined sewer community that was struggling to mitigate combined sewer overflows.
The Sheboygan Water Utility retained Donohue to design water storage reservoirs and a booster pumping station.
The City of Butler was experiencing surface flooding, combined sewer backups into homes, storm sewer surcharging, and high rates of infiltration and inflow during wet weather periods.
Donohue identified means of alleviating overloading Whitefish Bay’s sanitary and stormwater collection systems.
Donohue completed an XP-SWMM 2D model for the City of Waukesha as part of a Stormwater Management Plan. Prior to this project, large storms caused unacceptable levels of stormwater flooding in the City.
The City of Hammond operates a Municipal Separate Storm Sewer System (MS4) as designated by EPA’s Clean Water Act NPDES Phase II Storm Water Program.
Prior to the reconstruction of STH 67 through downtown Plymouth, Wisconsin DOT and the City of Plymouth requested a study of alternatives routes.
Donohue designed two reinforced concrete box culverts on CTH O for consecutive crossings of the meandering Grandma’s Creek.
Donohue was retained to plan and design this roadway reconstruction project along a three mile corridor in the Town and City of Sheboygan.
Completed under a master design contract with Wisconsin DOT, this project included beam guard upgrades to meet current design standards at 161 sites on five multi-lane highways including I-39, I-90, and US 151.
The CTH OK/EE intersection improvement was initiated by Sheboygan County to address a hazardous safety concerns and significant crash history.
This pilot safety study analyzed the safety and operational deficiencies of 105 miles of roadway on seven county highways.
Donohue developed an urban street reconstruction project through downtown Elm Grove that included new pavement from business front to business front, storm sewers, sidewalks and bike accommodations.
Donohue’s South Bend office designed a 2.0-mile bike path to provide recreational opportunities for bicyclists and pedestrians.
Donohue was retained to design the multi-use path along the City of Sheboygan’s west side to provide pedestrian and bicycle accommodations, connecting the south and north ends of the city. The 10-foot wide, grade separated asphalt path extends a total of 2.6 miles with a 14-foot wide section along the steep hills south of the Sheboygan River.
La Crosse County is known for its majestic bluffs and coulees that define its landscape. That topography is also responsible for blind curves and steep slopes that create hazardous highway conditions. Donohue conducted a phased two-year safety evaluation of all 250 miles of county highway. This project was the first county-wide comprehensive safety evaluation in the state.
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