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<br />Water Quallity <br /> <br />Centennial currently disinfects its non tributary groundwater supplies and treats certain pumpage <br />from the Denver and Arapahoe aquifers for iron and manganese removal. Groundwater from the <br />Laramie Fox Hills aquifer is blended into the distribution system to offset any customer concerns <br />with drinking water quality. <br /> <br />Centennial operates the Joseph B. Blake Water Treatment Plant to treat South Platte River flows <br />diverted directly or through McLellan Reservoir or from South Platte Reservoir when it is <br />operational. The Joseph B. Blake Water Treatment Plant has recently been expanded to 40 <br />million gallons per day of capacity. <br /> <br />Well Production Capacity <br /> <br />Centennial currently has rights to 62 decreed well sites and operates 32 wells (as of February <br />2001). The wells on-line can deliver approximately 13 mgd and 14,500 acre-feet per year. <br />Ultimately, this wellfield will be capable of delivering 20.1 mgd and 16,900 acre-feet per year. <br /> <br />The characteristics of these wells are summarized in Table C-8. <br /> <br />Table c-8 - Centennial Well Characteristics <br /> <br /> Well Permit No. Total Depth Production <br />Name (gpm) (ac-ft/yr) <br />South Platte Alluvium <br /> SP-9 041 861-F -- <br />SP-IO 041 862-F -- <br />SP-l 1 044942-F -- <br />SP-12 042909-F -- <br />SP-I 3 039 123-F -- <br />SP-14 039124-F -- <br />Denver Formation <br />D-3 * 028395-F 1050 100 87 <br />D-4 28397-F 1230 203 168 <br />D-5 043724-F 75 <br />D-8 * 048195-F 1 170 200 177 <br />D-9 28900-F 1225 350 72 <br />D-IO * 033582-F 900 75 198 <br />D-I 1 * 0482 19-F I 150 200 339 <br />D-12 2890I-F I 150 350 343 <br />D-I3 * 028396-F 975 325 208 <br />D-I4 * 49 127-F 300 <br />D- 1 5 28399-F I 175 240 297 <br />D- 16 28 100- F 1500 350 106 <br />D- 17 49128-F 325 <br />D- 18 49129-F 250 <br />D- 19 046193-F 150 <br />D-20 49 1 30-F 240 <br />[Iiw~ii~,;;i~ii'~;ilmijj~f;~)r~i;$i~iriiii~1~';:i:'::":": <br />