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Last modified
11/23/2009 12:40:55 PM
Creation date
8/29/2007 3:46:42 PM
Metadata
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Template:
Floodplain Documents
County
Arapahoe
Title
South Metro Water Supply Study - Technical Appendices
Date
2/1/2004
Prepared For
South Metro Water Supply Study Board
Prepared By
Black & Veatch, Rick Giardina & Associates, HRS Water Consultants, Hydrosphere
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br /> Centennial also meters water uses by gross land LIse classifications as shown in Table C-2. <br />" <br />I <br />" Table C-2 Current Water Usage - Centennial <br />'I Category Average Daily Use (MGD) Total (MGD) <br /> Outdoor Indoor <br />1 Residential' 5.57 8.56 14.13 <br /> Nonresidential 1.23 3.27 4.49 <br /> Community 2.28 0.02 2.30 <br />" Total 9.08 MGD 11.84 MGD 20.92 MGD <br /> Water distribution and treatment systems are sized according to design criteria listed in Table <br /> C-3. <br />!: Table C-3 - Peaking Factors for System Design <br /> I <br /> Land Use Peaking Factors <br /> Max Hr / Avg Day Max Hr / Avg Day <br /> Residential <br /> Low Density 3.00 4.4 <br /> Medium Density 2.5 4.2 <br /> High Density 2.00 4.2 <br /> 'I Commercial! Industrial 1.38 1.82 <br /> 'I <br /> Conservation Program <br /> Centennial promotes an aggressive conservation program including nonpotable reuse, <br /> , xeriscaping, irrigation efficiency, leak detection and repair, plumbing codes, pressure reducing <br /> valves, public education and an increasing rate block structure. Weather stations are used to <br /> optimize irrigation scheduling of parks. Both golf courses within Centennial use nonpotable water <br /> " for turf irrigation. Centennial's water distribution system includes pressure reducing valves to <br /> minimize system losses. <br /> I Future Water Usage <br /> " <br /> " <br /> Future water demands are projected based on forecasts by developers. At this time, Centennial is <br /> forecasting the addition of 2,500 SFE taps per year with an ultimate buildout demand of22,500 - <br /> 25,000 acre-feet per year and a peak day demand of 56 MGD. Water supply facilities are <br /> scheduled for completion at least 1 to 2 years prior to the forecasted need. <br /> , <br /> Centennial's objective is to supply its water needs with 75% surface water sources and 25% <br /> " supply from groundwater wells. In the year 2000, the approximate water supply allocations were <br /> , 3,000 acre-foot from groundwater wells and 14,000 acre-foot from surface water diversions. <br /> " Table C-4 illustrates the projected sources of supply under average year hydrologic conditions. <br />
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