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<br />There is a potential for conjunctive use of Centerville Lake and the City's existing wells. <br />However the additional costs and delay in constructing and initiating an approved water <br />treatment plant to achieve minimum drinking water quality standards makes this an impractical <br />option. <br /> <br />Alternative Sources of Water <br />Prior to its connection with the City's water system, Centerville Elementary operated its own <br />water system, which included a private well with a capacity of 500 gpm. When the school <br />connected to City water the well was disconnected and used in a separate irrigation system. <br />Considering the age and additional requirements for a public water supply well, the school well <br />may not meet current standards. However, the use of the well as an emergency source would <br />be possible: <br />· The well itself would need to be brought into compliance with state standards for municipal <br />wells. <br />· The City would be required to obtain either ownership or control by easement of the area <br />within 50-feet of the well. <br />· Equipment modifications would have to be made, including the installation of a booster <br />pump, shut-off valves, backflow prevention device, and chemical feed apparatus. <br /> <br />With the anticipated interconnection with the City of Lino Lakes water supply system - this <br />alternative is not recommended. <br />[NOTE: The City of Centerville and Lino Lakes have established an interconnection between <br />their water systems and a mutual aid agreement to cooperate in responding to a water supply <br />emergency. ] <br /> <br />Short-Term Demand Reduction Procedures <br />1. Voluntary Reduction Measures: Contact the media and issue a notice to the City that there is <br />an imminent water shortage and request a voluntary reduction from residents. <br />2. Sprinklinq Bans: Instigate an odd/even or a total sprinkling ban in an extreme emergency. <br />[NOTE: Centerville has established a sprinkling ban (Ordinance #63) as recommended in <br />fJ-.;C'o ~/~_ 1 <br />Ullo,j /J'C/I.J <br />3. Water Allocation Restrictions: For extended or severe of emergency conditions, the water <br />use priorities in the Procedure for Water Allocation (listed below) should be implemented. <br /> <br />Procedures for Water Allocation <br />The following recommended procedures for water allocation are: <br />First Priority. Domestic water supply, excluding industrial and commercial uses and use for <br />power production. <br />Second Priority. Water uses involving consumption of less than 10,000 gallons per day. <br />Third Priority. Agricultural irrigation and process on agricultural products. <br />Fourth Priority. Power production in excess of the use provided for in the contingency plan <br />under first priority. <br />Fifth Priority. Uses, other than agricultural irrigation, processing of agricultural products, and <br />power production. <br />Sixth Priority. Non-essential uses. These uses are defined by Minnesota Statutes 103G.291 as <br />lawn sprinkling, vehicle washing, golf course and park irrigation, and other non-essential uses. <br /> <br />Non-essential uses of water are the lowest use priority and will be the first water use subject to <br />allocation restrictions. Quick responses to restrict non-essential uses of water during periods of <br />limited supplies will help protect domestic and economic uses of water. <br /> <br />July 3, 2007 <br /> <br />DRAFT <br />Centerville Wellhead Protection Plan (Part 2) <br /> <br />Page 28 <br />