US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER WATER AVAILABILITY REPORT FOR SEPTEMBER 2011 ------------------- Change --------------------- Monthly mean in dis- Accumulated Runoff discharge charge For the Period ------------------- from Oct. to Sept. NRCS Cubic Percent previous --------------------- SWSI feet per of month Percent Station Basin second average (percent) of average ------------------------------------------------------------------------------------------ Donner Und Blitzen Harney 70 149 -35 195 nr Frenchglen (*)Deep Creek Lake 27 142 13 172 above Adel County (*)Chewaucan River Lake 39 115 -20 157 near Paisley County Williamson River Klamath 528 96 -2 100 near Chiloquin Owyhee River Owyhee 169 108 -22 193 near Rome Malheur River Malheur 241 268 59 299 nr Vale (19 yrs POR) Imnaha River Grande Ronde 160 99 -43 120 at Imnaha Powder/Burnt Grande Ronde R Grande Ronde 654 86 -36 132 at Troy Powder/Burnt Umatilla River Umatilla 34 72 -15 143 nr Gibbon Lower John Day John Day River Upper John Day 184 80 -48 181 at Service Crk (*)Little Deschutes Upper 132 87 5 95 River nr LaPine Deschutes Hood River Lower Deschutes 331 97 -18 122 nr Hood River Mt.Hood Willamette River Willamette 10,260 102 28 117 at Salem Wilson River North 76 52 -3 128 near Tillamook Coast Umpqua River Rogue/Umpqua 1,424 112 -15 124 near Elkton Rogue River Rogue/Umpqua 2,232 112 -40 122 near Agness Chetco River South Coast 82 41 -44 117 near Brookings All data should be considered provisional and subject to revision Percent of average computed using 30-year base period, wtr yrs 1971-2000, except where noted (*) provided by Oregon Water Resources Department 10/17/2011