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Collection

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.

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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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.

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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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