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Greg Johnson, PE PROJECT MANAGER Greg is the Director of Water/Wastewater at WSB with over 27 years of water and wastewater engineering experience in project planning, design, and construction administration of water treatment facilities as well as with groundwater and surface water supplies, water storage structures, water distribution systems, wastewater treatment facilities, and lift stations. Greg is also a water and wastewater systems design engineer and serves as a Project Manager. Greg has served as the lead process design engineer and project manager for 11 major water treatment plants, multiple municipal and park wells, the first fully biological water treatment in Minnesota, the first advanced oxidation process (AOP) water treatment plant in Minnesota, and multiple water towers and wells throughout the Midwest. SERVICE GROUP: West Water Treatment Plant I City of Chanhassen, MN Water/Wastewater CLIENT: CITY OF CHANHASSEN PROJECT DURATION: JUN 2016 - NOV 2018 REGISTRATION: Greg served as the project manager and lead process design engineer for the design and Professional Engineer construction of a nine million gallon per day water treatment plant. After WSB conducted multiple MN #26430 neighborhood meetings and received public input, the plant was designed with a prairie themed ND #10078 architecture and landscaping to fit into a residential neighborhood. Based on pilot plant testing and initial evaluations, the plant was designed with pressure aeration, detention, concrete gravity EDUCATION: filters for treating iron, manganese, and natural ammonia that exist in the city's west well field. The MS Civil Engineering Minnesota Section of APWA nominated this project for the National APWA Environment Award. University of Minnesota, 2002 BS Civil Engineering, Advanced Oxidation Process Water Treatment Plant I St. Anthony, MN CLIENT: ST. ANTHONY VILLAGE University of Minnesota, PROJECT DURATION: JUN 2015 - MAY 2018 1994 Greg was the Project Manager and the Lead Process Engineer on this project. WSB provided professional engineering services to study, design, and provide construction services for a 3,500 gallon per minute (gpm) advanced oxidation process (AOP) water treatment plant to treat 1,4-Dioxane. This contaminant was detected in the groundwater aquifer that provides drinking water for the city's wells. Three UV units were installed inside a new masonry and precast concrete building constructed adjacent to the city's existing water treatment plant. The new building or WTP addition includes a chemical storage room for feeding hydrogen peroxide, an electrical room, and a piping gallery. The existing effluent piping from the existing greens and filters was routed into the new WTP addition, metered, and connected to the individual UV treatment units. Proposal for Urban Expansion Services Expansion Study for Elk River Key Personnel Resumes 9