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<br />..... ) <br />\)1111.>1 ~ <br /> <br />MONTROSE ARROYO DEMONSTRATION PROJECT <br /> <br />National Irrigation Water Quality Program (NIWQP) <br />Colorado River Basin Salinity Program (CRBSP) <br />Uniled Stales Geological Survey (USGS) <br />Uncompahgre \3Ucy Waler Users <br /> <br />~ <br /> <br />- <br /> <br />Purpose <br /> <br />-- - - -- - - -- <br />To prevent about 2,300 tons/year of salt from entering Colorado Ri\ler, and to determme how much <br />selenium reduction might be obtained from salmi!)' control measures (such as irrigation lateral piping). <br /> <br />-- <br /> <br />---------- <br /> <br />Site Map <br /> <br /> <br />- <br /> <br />....-,.-- <br />'JO__.~._ <br />....-__.,..._0 <br /> <br />o , 1_ <br /> <br />ll\l'Vol<A"'(Jo <br /> <br />/11'-_11Io_ . r.N'7c-.s. <br />/IIOJor_r.-uw.. .~SOI <br />"'_::.. -_00,-. <br /> <br />--- <br /> <br /> <br />, <br />, <br />, <br /> <br />/ <br /> <br />/ <br /> <br />I <br />, <br />I <br />I <br />I <br />I <br />I <br />t:"_ /.- <br />",0' <br /> <br />/ <br /> <br />/ <br />/ <br /> <br />/ <br />/ <br /> <br />/ <br />/ <br /> <br />" <br /> <br />COlOAADO <br /> <br />What \Vas Done The Uncompahgre Valley Water Users Association replaced 8.5 miles of unlined-irrigation laterals <br />with 7.5 miles of buried PVC pipe, 80% of construction was done in the winters of 1998 and 1999. <br />This Pilot Project utilized a combination of NIWQP and CRaSp funding. <br /> <br /> <br />