Laserfiche WebLink
<br />BASt\; 1<.Xt'~1J SITl<~ ""Ath.k-QUI\.LfiI ~i\jHFLh"'b <br /> <br />At each basi\: fixed site. mOllthly and three extreme (low and <br />high no\\') \vatcr-quality samples arc c(lllcelcd ('ach year. Following <br />arc the !lIt'aslIrcllll'llfs ;lnd analyses performed for each sample: <br /> <br />;';:'if;*{~~\,,_ -"'~~m~- ::' <br />.i '\cc7...'> <br />'''.,-;' .:/" <br /> <br />.,...... <br /> <br />" f-o <br /> <br />...... <br /> <br />- <br /> <br />-..~ <br /> <br />, ""' <br /> <br />., <br /> <br />li~hUllCaS.llrCI1JCn!5.;. <br />Dissolved oxygen. pit c.llkalinity. specific conductance, <br />water temperature. and discharge <br /> <br />M <br />t,'1 <br />ffl <br />jo-+ <br /> <br /> <br />L,-buratQrY_J!Jlaly~e~ fur CUlllX!l!.r:al.iWls llf: <br />Sllspcnded sediment <br /> <br />Maj<lr conslituclltS: <br />Dissolvl'd solids, calcium, chloridc. 1I11oridc. iron. manganese. <br />potassium. silica, sodiullI, and sulfate <br /> <br />~lItrielllS: <br />Total and lotal dissolved nitrogen. anllllonia, nitrite, nitrate. total and <br />10tal di_,,\olvcd phosphorus, and llrll1ophosphatc <br /> <br />Photograph by Randy Parker <br /> <br />Other: <br />I )issllln'l! and sllspended orgallic c:uhm <br /> <br />Upper Colorado River study unit basic-fixed.site network-continued <br /> <br />Mean daily flow duration statistics 1 <br /> <br />Historic <br />water~quality <br />data <br /> <br />90~percent <br />exceedance <br /> <br />50.percent <br />exceedance <br /> <br />10.percent <br />exceedance <br /> <br />Primary reason for site <br /> <br />Based on <br />water years <br /> <br />(Cubic feet per second) <br /> <br />Outlet of Ihe study unit <br /> <br />Yes <br /> <br />I.J..-Ultl .~A2() 2.6()O 1970--1)) <br />(j.310 2..:;20 1530 1970-95 <br />:".000 I.. \l,(l SIO 1970 9.') <br />-l.()70 , 120 ~9() 1970 95 <br />2.5 to 1,020 2XO 1970- lJ5 <br /> <br />Main-stem site upstream from the Grand Valley <br />agricultural area <br /> <br />Yes <br /> <br />~1:tin-stcm silt.' near physiographic province boundary <br /> <br />Limited <br /> <br />Near mouth of largest tributary in study ullit <br /> <br />Yes <br /> <br />Downstream frolll ilJaJI}l" reservoir system. <br />Baseline site for the lower Gunnison River Basin <br /> <br />No <br /> <br />Upstream from major reservoir system. <br />Integrator of the upper Gunnison River Basin <br /> <br />No <br /> <br />~e\\ ~aging stallOIl. no hislll!";!." streamnow information <br /> <br />[)ownstrcalll from area of rapi<lurbJnizatioll <br /> <br />LirHlled <br /> <br />1970 72. <br />~Il .X I. 9L~ (}.'i <br /> <br />.')() <br /> <br />10S <br /> <br />I.OXfl <br /> <br />Downstream from area of rapid urbanization <br /> <br />No <br /> <br />"iC\\ t!agillt! statillll. no historic ,trl'arnllo\\ information <br /> <br />Downstream frO!)l area of metal mining <br /> <br />11J70-()) <br /> <br />No <br /> <br />43 <br /> <br />.~:,-l <br /> <br />SIl <br /> <br />Downslrcam from area of melal mining <br /> <br />No <br /> <br />:'-Jew g;lgillg ,t:rtiol1. Illl hi:--toric ..,rn:amlhm illrof\n;uion <br /> <br />Downstream from agricultural area <br /> <br />Limited <br /> <br />1970- ().:'i <br /> <br />U{ <br /> <br />5(, <br /> <br />sq <br /> <br />Downstream from agricultural area <br /> <br />Limiled <br /> <br />~ew gaging slatillll, no Ilisloric strcallltl(l\\ information <br /> <br />Rcfcn:nce site for C{llorado Plate.au <br /> <br />;\tl <br /> <br />'<C\\ ,~agtllg stalitlll, no hi"IIlC!C "Ircamll(l\'. lllfnrlll<uillll <br /> <br />Reference site for southern Rocky j\.10ulllains <br /> <br />No <br /> <br />1970-Y5 <br /> <br />1;.( <br /> <br />h.6 <br /> <br />20.:'i <br /> <br />1 laih ~I\ ~'r;lgl. rll'\\' rhal Me l'\Cl'l'ded 10. :'in. ;lfId l)fl pet'cl'rr! \'1 IlK' rime. <br />