DWR_4151799 - Laserfiche WebLink

r i SAN JUAN/DOLORES BASIN * Basinwide Conditions Assessment: The SWSI value of -1.1 indicates that the overall SURFACE WATER SUPPLY INDEX conditions are below normal. Snowpack measured 74% of : JYW lblo►M,Mi•M River Eosins verage on March 1, 1991, and is nearly 200% of last year. , Snowpack is lowest in the Dolores River basin at 65% of _ ,. ; rt al 3 average. A series of winter storms during the first week of ; I; L. ': . . March increased the basinwide snowpack by an estimated - rr - -+ 1 `‘i : , ,�-- 18%as compared to average. Precipitation for the month was g '- -2 - - --p ii ' i only57%of average. Basinwide storage was 138%of average o- -- g gi i -�, on March 1, 1991. Reservoir storage in reservoirs on the Pine - F River, Florida River and Mancos River is 140%of normal and _ _ - , 164% of last year. McPhee Reservoir storage (Dolores River o -`� 1 drainage) was 244,490 acre-feet on March 1, 1991, compared ''- µ to 274,374 acre-feet on March 1, 1990. Lemon Reservoir had . . - ---- .YwN .NM1,!' JAM E JAMM JAMIS JAMN JAM17 JAM.. JAMn JAMW JAMI, 24,755 acre-feet in storage on March 1, 1991, compared to 1Q„TM,TEAR 9,814 acre-feet in storage one year ago. Vallecito Reservoir had 76,987 acre-feet in storage on March 1, 1991, compared to 46,655 acre-feet of storage one year ago. Base flows in most streams were normal for the month. Flow at the key gaging station,Animas River at Durango, averaged 206 cfs as compared to the historic monthly flow of 202 cfs. Ground ANIMAS RIVER NR. DURANGO water levels remain below normal as a result of two years of „o RAW En W,T� '" drought. "° ,70 . RED ,So Outlook: i „0 Streamflow is likely to be near normal. The "° streamflow forecast is lowest in the La Plata River drainage at a I „o lag Hesperus at 74% of average and highest in the Navajo River drainage above the Oso Diversion Dam at 106% of average. " so i Administrative/Management Concerns: o _______,------':._________------ - The La Plata River is currently under administration _�� for Colorado-based water rights. New Mexico has yet to place ,0 oct wr o•e J•n rw Mrcn the compact call. Normal administration is expected this ,am„ O •!T(1*73) + d Y(,977) o AVG A 7927 irrigation season. Public Use Impacts: Adequate carry-over storage in area reservoirs coupled with normal streamflows should alleviate many of the adverse impacts the recreational water user encountered last Dolores-Animas Basin Reservoir Supplies year. 2/, 2ao� *Streamflow forecasts provided by the USDA Soil Conservation = 200 ,7\\ Service. 3 ,eo ". i.:////:, • ion ..p-\,\ ...-7 7„. 20 v c. /\ 7 NCPh•1 V•IIKIto Leann ® An. 2I 21 COM•nt• ® 2/21 111 COntMt• 9