Home   /   Projects   /   All Case Studies

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.

New Water Reservoirs Thumbnail

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%.

Learn More

Water Distribution Model Thumbnail

The City of O’Fallon retained Donohue to update its model of the water distribution system.

Learn More

New Water Supply  Thumbnail

Donohue designed a new water supply system for the South Sangamon Water Commission in Central Illinois.

Learn More

Pump Station and Electrical Building Improvements Thumbnail

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.

Learn More

Water Plant Membrane Conversion  Thumbnail

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.

Learn More

Water Tower Painting Thumbnail

Donohue assisted the City of Silvis with a painting and rehabilitation project for a 400,000-gallon elevated tank located in a residential setting.

Learn More

Water Tank Addition Thumbnail

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.

Learn More

North Main Street Water Main Replacement Thumbnail

This project replaces three water mains between Elkhart’s North Wellfield storage tanks and the chemical addition and high service pumping facility.

Learn More

Danville Water Main Replacements  Thumbnail

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.

Learn More

SCADA System Upgrades Thumbnail

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.

Learn More

Control Room and SCADA Upgrade Thumbnail

Donohue & Associates led design/build services for a new control system at a Midwest water utility serving over 800,000 residents.

Learn More

Nutrient Removal Upgrades Thumbnail

The Village of New Lenox owns and operates three water reclamation facilities.

Learn More

Phosphorus Reduction Evaluation Thumbnail

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.

Learn More

Wastewater Planning and Permit Negotiations Thumbnail

The City of Faribault and Donohue negotiated with the Minnesota Pollution Control Agency (MPCA) to find a lower-cost alternative.

Learn More

Innovative Capacity Expansion Thumbnail

The City of Hutchinson, Minnesota retained Donohue & Associates to explore means of increasing capacity at the City’s wastewater treatment facility.

Learn More

Energy Master Plan Thumbnail

The Western Lake Superior Sanitary District (WLSSD) retained Donohue to collaboratively develop an Energy Master Plan for their wastewater treatment facility.

Learn More

Regional Waste Resource Recovery Program  Thumbnail

Donohue & Associates was retained to evaluate the feasibility of developing a regional waste resource recovery program for the Milwaukee Metropolitan Sewerage District.

Learn More

Phosphorus/Nutrient Removal Evaluation Thumbnail

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.

Learn More

Wet Weather Pumping and Treatment Thumbnail

The City of Fort Wayne retained Donohue & Associates to design major improvements to its 550 mgd Wet Weather Pump Station (WWPS).

Learn More

Indianapolis Collection System SCADA  Thumbnail

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.

Learn More

Process Control System Replacement  Thumbnail

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.

Learn More

CSO Mitigation Thumbnail

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.

Learn More

Modeling and Long Term Control Plan Update Thumbnail

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.

Learn More

Southeast Basin Interceptor and Siphon Thumbnail

Richmond’s Southeast Sanitary Basin was experiencing surcharging and sanitary sewer overflows (SSOs) during wet weather events.

Learn More

Cole Junction Pump Station and Force Main Thumbnail

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.

Learn More

Collection System Master Planning and Improvements  Thumbnail

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.

Learn More

Sanitary Sewer Master Plan Thumbnail

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.

Learn More

Biosolids Master Planning and Energy Improvements Thumbnail

The District retained Donohue to develop a planned approach for biosolids equipment replacement, process improvements, and future issues.

Learn More

White River CSO 039 Basin Thumbnail

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.

Learn More

Resource Recovery and Energy Efficiency Master Plan Thumbnail

Donohue conducted an evaluation of resource recovery and energy efficiency opportunities at the St. Cloud Wastewater Treatment Facility (SCWWTF).

Learn More

Upgrade Produces Exceptional Effluent Quality Thumbnail

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.

Learn More

Energy Optimized Resource Recovery Thumbnail

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.

Learn More

Stormwater Runoff Pollution Mitigation  Thumbnail

Rossville is a combined sewer community that was struggling to mitigate combined sewer overflows.

Learn More

Hydraulic Studies and Upgrades Thumbnail

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.

Learn More

Stormwater Best Management Practices  Thumbnail

The Sheboygan Water Utility retained Donohue to design water storage reservoirs and a booster pumping station.

Learn More

Stormwater Management Master Plan Thumbnail

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.

Learn More

Storm and Sanitary Sewer System Analysis Thumbnail

Donohue identified means of alleviating overloading Whitefish Bay’s sanitary and stormwater collection systems.

Learn More

City-Wide Stormwater Management Plan Thumbnail

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.

Learn More

MS4 Permit Assistance Thumbnail

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.

Learn More

STH 67 Thumbnail

Prior to the reconstruction of STH 67 through downtown Plymouth, Wisconsin DOT and the City of Plymouth requested a study of alternatives routes.

Learn More

USH 14 Thumbnail

This was 6.1-mile rural highway reconditioning of USH 14 in Richland County.

Learn More

CTH O Grandma’s Creek Box Culverts Thumbnail

Donohue designed two reinforced concrete box culverts on CTH O for consecutive crossings of the meandering Grandma’s Creek.

Learn More

CTH O Reconstruction Thumbnail

Donohue was retained to plan and design this roadway reconstruction project along a three mile corridor in the Town and City of Sheboygan.

Learn More

South County Line Road Bridge Replacement Thumbnail

Donohue designed an 80-foot, two-span concrete flat slab bridge and 250 feet of roadway approach improvements.

Learn More

CTH Y - Camp Ground Creek Bridge Thumbnail

This project, located in the Village of Oakfield, included removal and replacement of an existing single-span county road bridge that was constructed in 1931.

Learn More

Beam Guard Improvements Thumbnail

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.

Learn More

CTH OK / CTH EE Roundabout  Thumbnail

The CTH OK/EE intersection improvement was initiated by Sheboygan County to address a hazardous safety concerns and significant crash history.

Learn More

Dodge County Safety Improvement Study Thumbnail

This pilot safety study analyzed the safety and operational deficiencies of 105 miles of roadway on seven county highways.

Learn More

USH 41 Freeway Modernization Thumbnail

This project consisted of reconstructing the US 41 / WIS 144 interchange.

Learn More

Watertown Plank Road Reconstruction Thumbnail

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.

Learn More

Maple City Greenway Phase V Bike Trail Thumbnail

Donohue’s South Bend office designed a 2.0-mile bike path to provide recreational opportunities for bicyclists and pedestrians.

Learn More

Taylor Drive Multi-Use Path Thumbnail

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.

Learn More

County-wide Comprehensive Safety Study  Thumbnail

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.

Learn More