US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER WATER AVAILABILITY REPORT FOR JULY 2011 ------------------- Change --------------------- Monthly mean in dis- Accumulated Runoff discharge charge For the Period ------------------- from Oct. to July NRCS Cubic Percent previous --------------------- SWSI feet per of month Percent Station Basin second average (percent) of average ------------------------------------------------------------------------------------------ Donner Und Blitzen Harney 320 283 -60 196 nr Frenchglen (*)Deep Creek Lake 168 410 -74 173 above Adel County (*)Chewaucan River Lake 207 284 -73 158 near Paisley County Williamson River Klamath 804 134 -48 100 near Chiloquin Owyhee River Owyhee 712 256 -77 195 near Rome Malheur River Malheur 164 256 -82 301 nr Vale (19 yrs POR) Imnaha River Grande Ronde 1,102 173 -46 120 at Imnaha Powder/Burnt Grande Ronde R Grande Ronde 4,286 190 -57 133 at Troy Powder/Burnt Umatilla River Umatilla 72 114 -85 145 nr Gibbon Lower John Day John Day River Upper John Day 1,649 240 -80 182 at Service Crk (*)Little Deschutes Upper 249 108 -32 98 River nr LaPine Deschutes Hood River Lower Deschutes 680 130 -41 123 nr Hood River Mt.Hood Willamette River Willamette 10,980 145 -53 117 at Salem Wilson River North 155 90 -50 129 near Tillamook Coast Umpqua River Rogue/Umpqua 3,073 184 -58 124 near Elkton Rogue River Rogue/Umpqua 4,433 187 -34 121 near Agness Chetco River South Coast 255 128 -72 118 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 8/3/2011