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Stantec Consulting Services Inc. 2335 Highway 36 West St. Paul MN 55113 Stantec (651) 636-4600 J'ta ntec Fax: (651) 636-1311 March 15, 2016 File: 1938OTBD Attention: Paul Palzer Public Works Director City of Centerville 1880 Main Street Centerville, MN 55038 Dear Paul, Reference: City of Centerville Water Supply Plan Thank you for the opportunity to serve the City of Centerville by assisting with your Department of Natural Resources (DNR) Water Supply Plan. This letter presents Stantec's proposal for engineering services based on the task list as detailed below. Stantec will provide a completed Water Supply Plan Template based on data and guidance provided by the City of Centerville. Completion of the Water Supply Plan (Plan) will need to be a collaborative effort between the City of Centerville and Stantec. Stantec will update the Plan template with as much information as we have available. A large number of the required tables in the Plan are strictly data entry that will need to be completed by City staff. Then Stantec can complete evaluations, projections, and recommendations as detailed in the tasks below. A meeting with City staff to finalize emergency response, conservation projects, and other Plan elements is recommended. A key component of the new DNR Water Supply Plan template is to address the sustainability of the aquifer(s) serving the City's wells. As water use conflicts have arisen in the region in recent years, the plan requires that aquifer sustainability (along with impacts to natural resources) be addressed. Even cities with no known current water use conflicts will be required to develop a monitoring plan to ensure that sustainability goals are being met over the next decade PROJECT TASKS To complete the Water Supply Plan, Stantec proposes to complete the following tasks: 1. Update the Plan template for the City of Centerville and provide to the City for data entry. 2. Answer questions from the City regarding data entry as needed. Then review the Plan as completed by the City, facilitate additional data entry as needed, and compile Appendices. 3. Complete water demand trends and projections, per capita water demand graphs, demand triggers and priorities, general capital improvement planning, etc. 4. Stantec will assess the available data on the sustainability of the resources supplying the City, including reviewing water levels from monitoring wells and other observation points. Summary of observed trends in aquifer levels and any monitored natural resources will be provided. 5. Meet with City staff to review draft Plan including suggestions for future water sources, water use priorities and demand reductions, and conservation measures. 6. Finalize Plan based on City input and provide to the City for submission to the DNR. Design with community in mind jkb \\us 1291-f01\workgroup\1938\active\193803433\design\water supply plan proposal mor 2016- centerville.docx 32