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<br />.. <br /> <br />-.. <br /> <br />( <br /> <br />PERTIHBlIT DATA <br /> <br />r <br /> <br />LOCATION - Trinidad dam is on the Purgatoire River at river mile 160.5 and 3.2 <br />miles upstream from the city of Trinidad in Las Animas county, Colorado. <br />Latitude: 37. 08' 27ft Longitude: 104. 33' 03ft <br /> <br />DRAINAGE AREA - The area abov~ Trinidad dam is 671 square mile.. One inch of <br />runoff equals 35,787 acre-feet. The Purgatoire River at Trinidad is 749 square <br />miles and above the mouth is 3,505 square miles. <br /> <br />wm ACQUISITION - All lands are fee or easement below elevation 6263 feet. Land <br />in fee simple is 3,542 acres. Land with flowage easements is 191 acres. <br /> <br />.~ EMBAHXMENr - The rolled earth fill embankment is 6,610 feet long with crest <br />width of 24 feet. Main dam slopes are 3:1. Maximum height above streambed is 200 <br />feet. The embankment has 3 zones: upstream section of pit-run gravel I downstream <br />section random fill, and central impervious core. There is a 3 foot high parapet <br />wall along the upstream side of the dam. <br /> <br />OUTLET WORKS - The outlet works is in the right abutment and comprises an intake <br />structure with tower, a ten foot circular conduit, and a filp bucket. Control <br />is with tandum 5 x 9 slide gates. Conduit slope is 0.0112. Total length is <br />1,500 feet. <br /> <br />SPILLWAY - There is a service spillway and two emergency spillways. The service <br />spillway is a notch in the north emergency spillway. It has a width of 40 feet <br />with a crest elevation of 6243 feet. The north emergency spillway is 1,000 teet <br />wide cut in natural rock with a crest elevation of 6258 feet. The south. <br />emergency spillway is a 710 feet wide cut in natural rock with a crest elevation <br />of 6258 feet. It has a 2 foot high fuse plug. The spillways are not gated. <br /> <br />- <br /> <br />RESERVOIR FEATURES <br /> <br />ELEVATION <br />eft NVGO) <br /> <br />AREA <br />(acres) <br /> <br />CAPACITY <br />(acre-ft) <br /> <br />TOTAL <br />RUNOFF <br />(i "tiles' <br /> <br />DISCHARGE <br />(cfa) <br /> <br />- <br /> <br />.. TOP Of PARAPET WALL <br />lOP Of EMBANlCMENT <br />twC U.... POOL . <br />TOP OF FLOOD CONTROL <br />. fOOL <br /> <br />.. ..6284.00 <br />. '.' 6281.00 <br />':..627V.30 <br />'.6260.00 <br /> <br />2700 <br />2601 <br />ZSS4 <br />2067 <br /> <br />. ,.. . ",' <br />. '. ".' . '. <br /> <br />:.":S;PILLWAY CRESy.;;QS8.00 <br />. . <br />; SEllVICE SPJLlWAY CRESY::6243.00 <br /> <br />)1,RRJGATlON POOL. ....::. .::.6230.00 <br />"'OP Of m)JMEMY POQl';:6214_59* <br />.?RECREATlONPOClL 6171.86* <br />::.'ZEllO ST~E.6114. 90 <br /> <br />~.:~~:.t~d0:\;:\:::)':'::::::::::.::::/;:j:::::.::.:~ :: <br /> <br />Initial aediment reaerve "'.. 39,000 acre-fNt. Sediment lpece r_Inlng IInee the last ledllllent IUrvey (JIIW <br />1994) II 36,284 acre-feet_ Additional project data II given In Exhtblt A, Supplementary Pertinent Data. <br /> <br />. Storage volume dictates top of pool which doel not eXlCtly correlate ",Ith a apectflc elevation. <br /> <br />A <br />