US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR MAY 2010
------------------- 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 398 98 58 92
nr Frenchglen
(*)Deep Creek Lake 279 59 33 44
above Adel County
(*)Chewaucan River Lake 327 62 99 50
near Paisley County
Williamson River Klamath 1,120 66 28 55
near Chiloquin
Owyhee River Owyhee 999 44 -51 45
near Rome
Malheur River Malheur 68 28 -70 47
nr Vale (19 yrs POR)
Imnaha River Grande Ronde 1,248 80 43 76
at Imnaha Powder/Burnt
Grande Ronde R Grande Ronde 5,324 74 50 56
at Troy Powder/Burnt
Umatilla River Umatilla 499 112 23 71
nr Gibbon Lower John Day
John Day River Upper John Day 4,048 77 25 55
at Service Crk
(*)Little Deschutes Upper 142 39 20 47
River nr LaPine Deschutes
Hood River Lower Deschutes 1,027 90 -3 75
nr Hood River Mt.Hood
Willamette River Willamette 22,730 118 -27 78
at Salem
Wilson River North 884 146 -51 98
near Tillamook Coast
Umpqua River Rogue/Umpqua 8,200 128 -33 68
near Elkton
Rogue River Rogue/Umpqua 5,412 100 -25 63
near Agness
Chetco River South Coast 2,275 188 -46 97
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
06/01/2010