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Animas- La Plata Environmental Impact Statement
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Animas- La Plata Environmental Impact Statement
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10/24/2016 1:49:02 PM
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Animas La Plata Project
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�Analysis: 349 cfs waEerfig# diversion limit. with 4 -month pumping preference. When the reservoir Formatted: Font: sold <br />----------------------------------- <br />level drops to near 60,000 acre -feet, allow year -round pumping until the reservoir significantly recovers <br />(above 100,000 acre -feet) <br />Observations: _ Formatted: Font: Bold <br />• The Project requires a 349 cfs wateF Fig`,Tkl iversion limit to be able to deliver 280 cfs plus the <br />maximum month deliveries to New Mexico of 69 cfs. <br />• With a 349 cfs wateffighki version limit, the content is below the dead pool level 9 months in <br />the analysis period with year -round pumping, spanning a period of two years. <br />• Even with year -round pumping, a 349 cfs wateF Fightcliversion limit results in project shortages <br />during 2 years. <br />• A 2 -month pumping preference is not feasible with a 349 cfs vat` ;iversion limit — it <br />would require year -round pumping more than 60 percent of the time to "recover °+mere than 60 <br />peFeent e f the ♦imp <br />• With a 349 cfs diversion limit, a 4 -month pumping cycle can occur 70 percent of the <br />time. 30 percent of analysis years would require year -round pumping. <br />Ridges Basin Contents - 349 cfs Supply Scenario <br />4 -Month Pumping Preference <br />140000 <br />_- -- -------------------- -- _- - -____- - — _- -_ ---- __– -- ------ -- ----- --- - - - --- - - -- <br />120000 <br />17 <br />100000 - <br />1 T <br />80000 <br />S <br />b <br />�i <br />A All <br />60000 <br />pResume <br />Switched to Year Round in 1977 <br />4 -month pumping in 1982 <br />W <br />Switch to Year Round in 2001 <br />40000 <br />Resume 4 -month pumping in 2006 <br />20000 <br />0 p m p� <br />n n n n ro R m W E a iT m Of O� O� m Oqi A n m.. <br />—Year <br />Round Pumping April -July Pumping Only ...... Inactive Pool �Apol -July Pumping the Year -Round at 60,000 AF <br />�Analysis: 349 cfs waEerfig# diversion limit. with 4 -month pumping preference. When the reservoir Formatted: Font: sold <br />----------------------------------- <br />level drops to near 60,000 acre -feet, allow year -round pumping until the reservoir significantly recovers <br />(above 100,000 acre -feet) <br />Observations: _ Formatted: Font: Bold <br />• The Project requires a 349 cfs wateF Fig`,Tkl iversion limit to be able to deliver 280 cfs plus the <br />maximum month deliveries to New Mexico of 69 cfs. <br />• With a 349 cfs wateffighki version limit, the content is below the dead pool level 9 months in <br />the analysis period with year -round pumping, spanning a period of two years. <br />• Even with year -round pumping, a 349 cfs wateF Fightcliversion limit results in project shortages <br />during 2 years. <br />• A 2 -month pumping preference is not feasible with a 349 cfs vat` ;iversion limit — it <br />would require year -round pumping more than 60 percent of the time to "recover °+mere than 60 <br />peFeent e f the ♦imp <br />• With a 349 cfs diversion limit, a 4 -month pumping cycle can occur 70 percent of the <br />time. 30 percent of analysis years would require year -round pumping. <br />
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