DWR_4151773 - Laserfiche WebLink

RIO GRANDE BASIN Basinwide Conditions Assessment: The SWSI value of+1.0 indicates that for September R I O GRANDE BASIN the basin water supplies were slightly above normal. The `"''« ''�°'" "'°"»"t°''y s National Weather Service reports September precipitation at 4_ 59%of average. Reservoir storage measured on September 30 - was 94% of average. Flow at the gaging station, Rio Grande near Del Norte, averaged 474 cfs for the month as compared 't `� IL _ to the 1961-1991 September average of 489 cfs. The mean .: 'w . flow of the Conejos near Mogote was 158 cfs. Most of '"= "" Ill Alamosa's rainfall during this dry month came in one storm on _ September 18-19. Y 0 3 Outlook Basin Administrators report most reservoirs are still -• - JN1113 JAHM JAMS JANUS JAAM7 JAMS .ANUS J N00 JAIU1 JA 37 below normal, containing only carry-over from previous YEW.1vNR,1 months. Refilling will depend on this winter's snowpack. Administrative/Mana2ement Concerns River flows at the beginning of the month were fairly high due to the rainfall that occurred during the R I O GRANDE NR. DELNORTE latter part of August. The rivers saw a steady decrease , , - 11 0 "°"WATER"E"" throughout September down to base flow levels,which should a now be maintained for a while. Most of the crops in the 0. valley have been harvested, therefore much of the water that was being used is now either going to recharge the ground 4 0, . water aquifers or is flowing down the river. 1 ea yLL :.: V Public Use Impacts si As the days turn colder recreational water uses 0.3 decrease. Swimming and boating have already seen a drastic 0.2 �~ decrease in participation and open water fishermen will soon _ be heading for warmer country. OcC Nbv U/e Jan fob Mardi Apr II in Jui• .14.Ir Aui Soot NdffH a Kf CM OM A USY CISTI) • AVG • IMe REPRESENTATIVE RESERVOIRS AID MANN Mi1M 10 - \7i2820 G4 !I ,._ w1/ 12- • • ! !�� !/,;in Alo Omni. Plots, isffteldier I■ ® M.if L0 contorts ® V 161111E OAwt•nt• 5