US GEOLOGICAL SURVEY, Oregon Water Science Center WATER AVAILABILITY REPORT FOR JULY 2009 ------------------- 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 76 68 -79 79 nr Frenchglen (*)Deep Creek Lake 15 36 -89 60 above Adel County (*)Chewaucan River Lake 45 62 -76 69 near Paisley County Williamson River Klamath 491 82 -35 64 near Chiloquin Owyhee River Owyhee 220 79 -72 54 near Rome Malheur River Malheur 50 77 -10 29 nr Vale (19yrs POR) Imnaha River Grande Ronde 403 63 -69 92 at Imnaha Powder/Burnt Grande Ronde R Grande Ronde 1,510 67 -77 116 at Troy Powder/Burnt Umatilla River Umatilla 61 97 -59 127 nr Gibbon Lower John Day John Day River Upper John Day 392 57 -82 85 at Service Crk (*)Little Deschutes Upper 98 43 -62 63 River nr LaPine Deschutes Hood River Lower Deschutes 565 108 -48 104 nr Hood River Mt.Hood Willamette River Willamette 6,730 89 -43 81 at Salem Wilson River North 126 73 -47 92 near Tillamook Coast Umpqua River Rogue/Umpqua 1,450 87 -46 80 near Elkton Rogue River Rogue/Umpqua 2,438 103 -33 66 near Agness Chetco River South Coast 151 76 -55 78 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 8/14/2009