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<br />. <br /> <br />. <br /> <br />. <br /> <br />SECWCO <br />Chaffee County RICO <br />3f2012006 <br /> <br />Exhibit 7: Recovery Year Definitions <br /> <br />Recovery Year Based on 70% Excess CapacIty <br /> <br /> 300,000 160% <br /> 250.000 j . . 140% <br /> ~ . , <br /> ~ . I 120% <br /> . I <br />~ 200,000 I . . . f <br /> I , <br />c . 5 ~ ~ 100% <br />" # . . <br />. . . t <br /> ~ t . . <br />'" 150,000 ~. . . . . . . ~ 8COfo <br />0 # ~. <br />. <br />u .. .. Lill Lli if <br />. 60% <br />" 100,000 . <br /> # . <br /> .... Active Storage + Forecast ~ t 40% <br /> 50,000 -Actlve Capacity . <br /> . Percent of Capacrty 20% <br /> 0 - Recovery Ye?r 0% <br /> N ~ i8 ro 0 N ~ ill ro 0 N ~ <br /> ro ro ro m m m m 0 0 0 <br /> m m m m m m m m m 0 0 0 <br /> . N N N <br /> <br /> <br />Notes <br />1 Recovery years based upon May 1 70% storage trigger In TWin Lakes ancl TurquoISe Reservoir <br />2 AnalysIS based on hIStorical actNe contents and Boustead Tunnel forecasts <br />3 Although per the draft MQU, Colorado Spnngs Utllrtles and Pueblo Board of Water Works <br />storage space and contents are specifcally excluded from the definition of SECWCO recovery <br />years, for purposes of these estimates, they are trlcluded because historical contents for these <br />two entrtles cannot ealstfy be separated from historical total active storage data ThiS <br />assumption should have minimal Impacts on the determlnallon of recovery years. <br /> <br />Recovery Year Based on 70% of EnlarQement Space <br />No speclflC modeling has been performed on potential SECWCO enlarged storage space In <br />TurquOIse Reservoir or TYlln Lakes HO'Ncver, based on hlstocJal hydrologIC condrtlons, review of <br />others' accounts In the basin and review of prevIous modeling performed for the Arkansas Basin <br />Future Water and Storage Needs Assessment, It is likely that thiS tngger WIll occur dunng <br />approximately the same years as the 70% of Excess CapaClty tngger, wrth the potential addition <br />of marginally dry years such as 1982, 1992 and 2001 <br /> <br />Page 7 <br />