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From collection system modeling to sewer rehabilitation, master planning to design, Donohue combines expert knowledge with practical experience to develop safe, efficient, cost-effective conveyance systems. Our services encompass master planning, modeling, design, rehabilitation, and SCADA for lift stations, pumping stations, interceptors, force mains, sanitary sewers, siphons, combined sewers, in-line storage, and storage basins.

Effluent Pump Station Thumbnail

Donohue was selected to provide planning, design, bidding, and construction phase services for the Evansville Eastside WWTP Effluent Pumping Station.

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Electrical System Transformation  Thumbnail

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.

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Southeast Basin Interceptor and Siphon Thumbnail

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

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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.

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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.

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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.

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