US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR MAY 2011
------------------- Change ---------------------
Monthly mean in dis- Accumulated Runoff
discharge charge For the Period
------------------- from Oct. to May
NRCS Cubic Percent previous ---------------------
SWSI feet per of month Percent
Station Basin second average (percent) of average
------------------------------------------------------------------------------------------
Donner Und Blitzen Harney 740 182 98 170
nr Frenchglen
(*)Deep Creek Lake 806 171 20 150
above Adel County
(*)Chewaucan River Lake 865 164 64 131
near Paisley County
Williamson River Klamath 2,120 124 2 93
near Chiloquin
Owyhee River Owyhee 5,324 236 -26 182
near Rome
Malheur River Malheur 1,786 744 5 278
nr Vale (19 yrs POR)
Imnaha River Grande Ronde 2,048 131 173 100
at Imnaha Powder/Burnt
Grande Ronde R Grande Ronde 9,549 134 7 119
at Troy Powder/Burnt
Umatilla River Umatilla 915 205 13 136
nr Gibbon Lower John Day
John Day River Upper John Day 12,010 227 28 165
at Service Crk
(*)Little Deschutes Upper 420 117 44 93
River nr LaPine Deschutes
Hood River Lower Deschutes 1,401 122 -23 121
nr Hood River Mt.Hood
Willamette River Willamette 26,960 140 -33 114
at Salem
Wilson River North 824 136 -64 131
near Tillamook Coast
Umpqua River Rogue/Umpqua 8,890 138 -43 119
near Elkton
Rogue River Rogue/Umpqua 7,436 137 -35 114
near Agness
Chetco River South Coast 1,721 142 -56 117
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
6/9/2011