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53.4 acre feet ot'Windy Gap water (Catie No. 93CW288) in the Old Dillon Enlargement. <br />The Town ot' Silvenhorne ownti 11.87 acre leet of Valaer Ditch water rights (Change <br />Case No. 93CW288) that are also decreed for titorage in the Olci Dillon Enlargentent. <br />All the rights listed above are unior to Silverthorne's claimed RICD; however, <br />changes of water rights or new exchanges may be necessary to maximize thc uSe of the <br />Old Dillon Enlargement. Thc River Distrirt is concerned that Silverthorne's RIC'D could <br />interfere with the ahility of the Old Dillon Enlargement participants to obtain a rhange <br />decree or exrhange decree that allows maximum use of' thc water rights listed ahove to <br />meet existing and fureseeahle i'uture water ciemands. <br />Water Availabilitv: <br />The figure helow ~hows the t7ow of Straight Creek below Laskcy Gulch from <br />May I, 2004 to June IS'f' 2005, as well as the average for the period of rccord (18 <br />years). This site is arproximately 1.8 rniles upstream from the confluence of Straight <br />Creek with the Blue River, essentially near the head of' the rropotied RICD. Straight <br />Creek and Salt Lick Gulrh are the only tributaries to the Blue River helow Dillc?n <br />Reservuir which would provide additional water to the Blue Rivcr beyond any releatieti <br />froiii DiUon Reservoir, and Straight Creek is the only tributary which is gaged. <br />'I'he graph tihows that the tlow in Straight Creek is normidly less than 10 rfs from <br />the first of Septemher to the 1-irst of May, with the only aprreciable runoff coming frcnn <br />mid-May to mid-July. Salt Lick Gulch, the tributary which would till Olcl Dillon <br />Reservuir, would have a similar hydrograph. A RI('D with an annual start date ot* May I, <br />even with a daytime anly call, could claim much of the hydrograph availahle during cven <br />average years, potentially precluding the use of this water by either the Town of Dillon or <br />other entities in Suntmit County. <br />USGS 09051050 STRAIGHT CR BLW LASKEY GULCH NR DILLON, CO <br />? ss.e ------------ ------ ----- ----- - --- ---- <br />? ` <br />? A <br />? <br />u <br />+1 <br />? J <br />+1 ? <br />o 9 <br />1'IMl Jul 5ep Mov Jan nor <br />Pe9+1 29" 2994 ?09!1 ?uA9 9M'9 <br />------- --? Extl MM1I ION ___---_ <br />MCOIRII OqII Y STRf mM l OM MSf p ON Se r[WtS q R! CORp <br />+ M w3Ult1 c? O?rchsrge <br />OA I L Y 11[ qN OI SCIM1RGt <br />? ilor •l •tattan .rr.cc.d by !ce <br />Provisionsl Data Subject to Revision