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Stormwater Case Studies

Donohue has performed Stormwater projects throughout the Midwest. Several case studies are provided below. These demonstrate some of our Stormwater experience and expertise.

East Moreland Boulevard Flood Mitigation Thumbnail

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.

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Robbins Flood Control Project Thumbnail

Donohue is part of a team assisting the Village of Robbins with this important flood control project.

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Faxon Creek Watershed Study and Improvements Thumbnail

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.

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Bay Shore Drive Storm Sewer Improvements Thumbnail

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.

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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.

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Stormwater Runoff Pollution Mitigation  Thumbnail

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

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Stormwater Best Management Practices  Thumbnail

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

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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.

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Storm and Sanitary Sewer System Analysis Thumbnail

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

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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.

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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.

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