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Q. Existing Water Systems <br />The existing water infrastructure and use for each of the cities is described in the sections below. A <br />map of all the individual existing water systems is depicted in Figure A4. <br />D1 Water Supply <br />Water supply for the six -city area is comprised of 18 existing groundwater wells. These wells and the <br />aquifers they are constructed in are shown in Figure A9, Bedrock Geology. The City of Lino Lakes is <br />currently in the process of the design and construction of new Well No. 6. Additionally, the City of <br />Lexington receives a significant portion of its water wholesale from the City of Blaine. Tables D1.1 and <br />Table D1.2 summarize well information for the six cities. The combined cities have a total well capacity <br />of 18,080 gallons per minute (gpm) or 26 million gallons per day (MGD). <br />Table DIA summary of existing water supply wells <br />Joint Water Utility Feasibility Study D-1 <br />Nominal <br />Well Considered <br />City <br />City Well <br />Year <br />Capacity <br />Geological Unit <br />Vulnerable to Source <br />Number <br />Installed <br />(`3pm) <br />Water Contaraination? <br />('aryl) <br />Centerville <br />1 <br />1988 <br />560 <br />Prairie du Chien - Jordan <br />Centerville <br />2 <br />1993 <br />1,100 <br />Prairie du Chien -Jordan <br />No <br />Circle Pines <br />2 <br />1961 <br />1 000 <br />Quaternary Sand and Gravel <br />No <br />Circle Pines <br />3 <br />1967 <br />1,200 <br />Prairie du Chien - Jordan <br />No <br />Columbus <br />1 <br />2006 <br />400 <br />Quaternary Sand and Gravel <br />No <br />Columbus <br />2 <br />2007 <br />1,000 <br />Quaternary Sand and Gravel <br />No <br />Columbus <br />3 <br />2007 <br />1.000 <br />Franconia -Ironton -Galesville <br />No <br />Hugo <br />2 <br />1993 <br />625 <br />Prairie du Chien - Jordan <br />No <br />Hugo <br />3 <br />2000 <br />1,200 <br />Jordan <br />No <br />Hugo <br />4 <br />2002 <br />1,200 <br />Jordan <br />No <br />Hugo <br />5 <br />2007 <br />1,200 <br />Jordan <br />No <br />Hugo <br />6 <br />1.200 <br />Jordan <br />No <br />Lexington <br />1 <br />945 <br />Quaternary Sand and Gravel <br />No <br />Lino Lakes <br />1 <br />1971 <br />675 <br />Prairie du Chien - Jordan <br />No <br />Lino Lakes <br />2 <br />1986 <br />625 <br />Prairie du Chien -Jordan <br />No <br />Lino Lakes <br />3 <br />1995 <br />1.800 <br />Prairie du Chien - Jordan <br />No <br />Lino Lakes <br />4 <br />1996 <br />750 <br />Prairie du Chien - Jordan <br />No <br />Lino Lakes <br />F <br />2005 <br />1.600 <br />Prairie du Chien - Jordan <br />No <br />Lino Lakes <br />6 <br />2015' <br />TBD <br />Joint Water Utility Feasibility Study D-1 <br />