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WS — Item 5b. <br />WORK SESSION STAFF REPORT <br />Work Session Item 5b. <br />Date: June 4, 2007 <br />To: City Council <br />From: Verne Jacobsen <br />Re: Water Treatment Plant Feasibility Study <br />Background <br />Lino Lakes water supply is provided by the Jordon sandstone aquifer. This source is <br />considered abundant and meets all health requirements. The City does not treat its <br />water for iron and/or manganese removal, softening, or any other conventional <br />treatment processes. The City does provide chemical additions including disinfection <br />and fluoridation at the wellhead. <br />While iron and manganese do not pose a health problem at the levels found in Lino <br />Lakes' groundwater, they tend to present problems with appearance, taste, and odor as <br />well as problems with staining and other utility concerns. The current level of water <br />complaints is not sufficient to warrant treatment at this time. However, due to the <br />complexities of a water treatment facility and efficient integration of a facility into the <br />City's system of pipes, wells and storage, advanced planning is necessary. <br />For these reasons, the City Council authorized staff to undertake the preparation of a <br />water treatment plant feasibility study in January. All the background data and <br />documents have been collected. This information has been tabulated for use in the <br />study. The study is expected to be completed and presented to the City Council in <br />September. It will address treatment needs, location, costs and possible funding <br />options. <br />1 <br />