US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER WATER AVAILABILITY REPORT FOR JULY 2010 ------------------- 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 147 130 -79 120 nr Frenchglen (*)Deep Creek Lake 32 78 -92 61 above Adel County (*)Chewaucan River Lake 70 96 -81 64 near Paisley County Williamson River Klamath 488 81 -49 60 near Chiloquin Owyhee River Owyhee 212 76 -79 50 near Rome Malheur River Malheur 60 94 -24 49 nr Vale (19 yrs POR) Imnaha River Grande Ronde 696 109 -66 96 at Imnaha Powder/Burnt Grande Ronde R Grande Ronde 2,295 102 -76 77 at Troy Powder/Burnt Umatilla River Umatilla 72 114 -84 83 nr Gibbon Lower John Day John Day River Upper John Day 725 106 -89 76 at Service Crk (*)Little Deschutes Upper 117 51 -38 49 River nr LaPine Deschutes Hood River Lower Deschutes 478 91 -65 82 nr Hood River Mt.Hood Willamette River Willamette 10,530 139 -70 89 at Salem Wilson River North 183 106 -81 102 near Tillamook Coast Umpqua River Rogue/Umpqua 1,840 110 -79 76 near Elkton Rogue River Rogue/Umpqua 2,940 124 -51 71 near Agness Chetco River South Coast 507 255 -83 107 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 08/11/2010