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GUNNISON BASIN September, 1998 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of-1.4 indicates that for August the GUNNISON RIVER BASIN <br /> basin water supplies were slightly below normal. Flow at the 5 Surf.c•Water Sumly Index Hlotory <br /> gaging station Uncompahgre River near Ridgway averaged 4- I.- <br /> 169 cfs as compared to the long term average of 166 cfs. ,. 3- t• '1 3' <br /> Storage in Taylor Park, Crawford, and Fruitland reservoirs - ....; ': <br /> - <br /> totaled 91% of normal as of the end of Au t. 2- <br /> g =f-- - r <br /> The occasional rains have kept the stream flows up y 1- II ' = , <br /> during August. Many people have been and will be able to i a 1 _ _ . MINI I �" <br /> zp <br /> irrigate their fields after the haying season. This helps the soil ' " / f <br /> moisture conditions going into the fall and winter season. rir„ , , <br /> Water users have had a good irrigation summer. 0 f <br /> -3- <br /> Administrative/Management Concerns -4 <br /> JANB9 JAN90 JAN91 JANS2 JAN93 JAN94 JAN95 JANOS JAN97 JAMB <br /> The San Miguel River usually experiences water .,...,,YEAR <br /> shortages and goes on call during the month of July or <br /> August. This year the rains have bolstered the flows and <br /> supplied adequate water to meet demands so the river will not <br /> have a call,which is good news for the Water Commissioner. <br /> Usually he has to reduce senior diverters to their decreed UNCOMPAHGRE RIVER NR. R I DGWAY <br /> amounts, curtail junior rights, and shut off all un-decreed 200 FLOW BY WATER YEAR <br /> users. When the call goes on he also has to release water ;� . <br /> • <br /> from augmentation storage ponds. 170 <br /> The Uncompahgre River usually has a call as well,but ,, „o <br /> will not this year. Ridgway Reservoir has run a small amount - - <br /> of storage to the Uncompahgre Valley Water Users - <br /> Association. The Grand Mesa Area has had the usual water W, 1� - • <br /> 1. <br /> shortages, although they have been less that usual with good u 90 <br /> reservoir supplies. i 5050 Jam. —i <br /> ,0 <br /> 30 • <br /> 20 <br /> 10 <br /> 0 <br /> Oct Nov Doc Jan Feb .arch NorlI May June July Ago Sept <br /> MDNTH <br /> o WET(1904) o DRY C1977) A AVG N 1990 <br /> REPRESENTATIVE RESERVOIRS <br /> GUNNISON RIVER BASIN <br /> 90 <br /> /O <br /> 70 <br /> a <br /> • <br /> 50- <br /> • <br /> n� <br /> ■ 50.../\\ <br /> H 40/\\\ <br /> rii v <br /> • <br /> L 30 <br /> ■ /\ <br /> 3 <br /> 20 <br /> 10- <br /> 0 " far <br /> Taylor Parr Crawford Fruitland <br /> ® Av9. a/31 Content,' ® 8/31/90 Content■ <br /> • <br />