US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR MAY 2021
------------------- 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 225 55 56 56
nr Frenchglen
(*)Deep Creek Lake 105 24 -9 25
above Adel County
(*)Chewaucan River Lake 122 24 -27 35
near Paisley County
Williamson River Klamath 572 36 -5 46
near Chiloquin
Owyhee River Owyhee 207 10 -61 24
near Rome
(*)NF Malheur River Malheur 191 57 -17 59
near Beulah
Grande Ronde R Grande Ronde 5,550 80 -8 86
at Troy Powder/Burnt
Umatilla River Umatilla 468 102 -20 103
nr Gibbon Lower John Day
John Day River Upper John Day 2,740 53 -23 56
at Service Crk
(*)Little Deschutes Upper 127 40 40 46
River nr LaPine Deschutes
Hood River Lower Deschutes 869 76 6 87
nr Hood River Mt.Hood
Willamette River Willamette 9,690 49 -21 84
at Salem
Wilson River North 223 37 -53 105
near Tillamook Coast
Umpqua River Rogue/Umpqua 2,200 34 -39 67
near Elkton
Rogue River Rogue/Umpqua 2,430 45 2 59
near Agness
SF Coquille River South Coast 89 20 -72 85
at Powers
Chetco River South Coast 404 31 -62 81
near Brookings
All data should be considered provisional and subject to revision.
Percent of average computed using 30-year base period, water years 1981-2010.
(*) provided by Oregon Water Resources Department
6/1/2021