DC Water Enhanced Nutrient Removal Facilities

McKissack provided DC Water with architectural and engineering services for the Enhanced Nutrient Removal Facilities (ENRF).
These facilities are part of the Blue Plains Advanced Wastewater Treatment Plant, which has successfully been removing nitrogen since 1999 and has exceeded the Chesapeake Bay Agreement goal of removing 40% of the total nitrogen in the effluent from the plant. The program provided new facilities and upgrades to the existing ENRF in order to meet the total nitrogen discharge limit, determine the most cost effective means of treating wet weather flows, and provide for a reliable and robust treatment system. McKissack also provided project management, project planning and administration, preparation of the Concept Finalization Report, architectural and civil/sediment control design, value engineering, permit acquisition, bid phase services, and document reproduction coordination.


Washington, DC


DC Water

Project Type




Construction Administration
Pumping Stations & Reservoir Design

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