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<br />WS – Item #3 <br /> <br />WORK SESSION STAFF REPORT <br />Work Session Item No. 3 <br /> <br /> <br />Date: August 7, 2017 <br /> <br />To: City Council <br /> <br />From: Diane Hankee, City Engineer <br /> <br />Re: Water Storage Siting Study <br /> <br /> <br />Background <br /> <br />The City’s water system is designed to meet The American Water Works Association <br />standards for system pressure and supply. The water system consists of water storage, <br />water supply and a network of pipes. The City is responsible to continually review the <br />system and complete improvements as outlined in the City’s Comprehensive Plan. <br /> <br />The City has two existing water storage tanks 1 million gallons each. The <br />Comprehensive Plan outlines the need for additional water storage. Thus the water <br />system was further evaluated using hydrant flow tests and water system modeling. The <br />evaluation confirmed the need for additional water storage within the next two years. <br /> <br />The City Council authorized WSB & Associates to preparation a water storage feasibility <br />study in December of 2016. The Water Storage Siting Study evaluated the size and type <br />of storage, potential sites, impact to City water distribution system, and cost. Multiple <br />sites throughout the City were considered based on elevation, ownership, and site access. <br />The recommendations from the study are attached, and summarized as follows: <br /> <br />• Construct a 1.5 MG Storage Facility <br />• Construct a Composite Elevated Water Storage Tank <br />• Obtain Geotechnical Data to further evaluate a site <br /> <br /> <br />Requested Council Direction <br /> <br />Staff is requesting council direction to: <br />1. Discuss site options <br />2. Place acceptance of the study on the regular council agenda for consideration and <br />authorization to obtain geotechnical data for recommended sites. <br /> <br />Attachments <br /> <br />1. Water Storage Siting Study