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<br />t :. <br /> <br />PBRTIND'l' DATA <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 Lae Animas County, Colorado. <br />Latitude: 37- 08' 27ft Longitude: 104- 33' 03ft <br /> <br />DRAINAGE AREA - The area abov~ Trinidad dam is 671 square miles. 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 />LAND 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 />DAM ~ - 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, 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 tandurn 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 feet <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 />RESERVOIR FEATURES <br /> <br />DISCHARGE <br />(c1&) <br /> <br />TOP Of PARAPET WALL <br />TOP 01 EMBANKMENT <br />KAXI~ POOl <br />TOP OF FLOOD CONTROl <br />. POOl <br /> <br />SPillWAY CREST <br />SERVICE SPILLWAY CREST <br /> <br />IRRIGATION POOL <br />TOP 01 SEDtMElCT POOl <br /> <br />RECREATION POOL <br />:..ZERO nOAAGE <br /> <br />'. CONDUITIIlVEJlT. ... :'. <br />(JllAlWEG ........ ..,.:. <br /> <br />ELEVAT I 011 <br />(ft NVGD) <br /> <br />6284 .00 <br />6281.00 <br />6279.30 <br />6260.00 <br /> <br />6258.00 <br />6243.00 <br /> <br />6230.00 <br />6214.59- <br /> <br />'111.&6* <br /> <br />'114.90 <br />6095.00 <br />...........:.6081.00 <br /> <br />AREA <br />(ecru) <br /> <br />2700 <br />2601 <br />Z554 <br />Z067 <br /> <br />Z016 <br />1696 <br />14Z1 <br />1179 <br />.. 563 <br />o <br />D <br /> <br /> <br />CAPACITY <br />(ecrt-ft) <br /> <br />INCREMENTAL .' ...TOTAL <br /> <br />7,9~9 <br />4,382 <br />44,489 <br />4,083 <br /> <br />181,283 <br />173,334 <br />.'168,952 <br />'24~463 <br /> <br />TOTAL <br />RUNOFF <br />( inches) <br /> <br />5.06 <br />4.84 <br />4.71 <br />3.48 <br /> <br />>3.36 <br />2.58 <br />.... .. ... <br />./:Z.01........ <br />1.45. <br />..0.45 ....... <br /> <br />.. ."CalOUIT .' . .SPILL~Y <br /> <br />. . ......,.... . . <br />... .. ..... . <br />.. ... ...... ....... <br />... -.... ....... <br /> <br />"6,000:(494,000 <br />5',;00:'::0'8,600 " <br /> <br />5,600:.::.:" .::8,800 <br />5,300: 0 <br />.. <br />..... <br />.. . ........... .... .... . <br />:'5,000 .../::;::::)}:::. <br />.: .'. .4, 800:.,:),.,:-=: <br />'/3,800..:,.\.:) .. <br />':/::: -200://::' )(' ... <br /> <br />..... ... ... <br />. . . .. .. ...... .. <br />..... ... ... . <br />...........: .. <br /> <br />.. .... . ..... <br />. .. .. . . . . . . . . ., . <br />..... .......... <br />... .. ..... ....... <br />::. t... ....... ..... . ~ ." .:::.:.:;.::.:::;;;:::;~;.::::::;~:;::::;::::>;:;::;::;::;::;:::'.-::;:':'::::;.::: ..... <br /> <br />A <br /> <br />Inftf.l .~Iment rt.erve w.. 39,000 .crt-feet. Sediment .pece remaining .fnet the l..t .~fment .urvty (June <br />1994) I. 36,284 .crt.fllt. Additional project dlt..I. gfven In E~Iblt A, Supplement.ry Pertfnent D.t.. ' <br /> <br />* Stor.ge volume dlct.tt. top of pool which doel not IKectly correl.tl with. .peclflc eltv.tlon. <br /> <br />.... .27,801 ...... 120,380 <br /> <br />.... ..20,328.... .92,579 ." <br /> <br />20,000 :72,251 .. <br /> <br />....36,284 ....: 52,251 . <br /> <br />.15,967..15,967....., .. <br />:'. :'.:0 ........ . .:.......0 <br />