US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR JANUARY 2026
------------------- Change ---------------------
Monthly mean in dis- Accumulated Runoff
discharge charge For the Period
------------------- from Oct. to Jan.
NRCS Cubic Percent previous ---------------------
SWSI feet per of month Percent
Station Basin second average (percent) of average
------------------------------------------------------------------------------------------
Donner Und Blitzen Harney 65 98 -2 114
nr Frenchglen
(*)Deep Creek Lake 96 108 -45 161
above Adel County
(*)Chewaucan River Lake 156 156 -3 168
near Paisley County
Williamson River Klamath 854 89 12 96
near Chiloquin
Owyhee River Owyhee 221 42 -6 66
near Rome
(*)NF Malheur River Malheur 61 85 -10 105
near Beulah
Grande Ronde R Grande Ronde 2,370 113 -16 116
at Troy Powder/Burnt
Umatilla River Umatilla 286 99 -26 115
nr Gibbon Lower John Day
John Day River Upper John Day 1,180 75 -6 92
at Service Crk
(*)Little Deschutes Upper 90 58 -10 64
River nr LaPine Deschutes
Hood River Lower Deschutes 869 59 -61 99
nr Hood River Mt.Hood
Willamette River Willamette 24,400 54 -36 69
at Salem
Wilson River North 1,480 56 -71 109
near Tillamook Coast
Umpqua River Rogue/Umpqua 5,820 39 -8 42
near Elkton
Rogue River Rogue/Umpqua 5,190 48 18 56
near Agness
SF Coquille River South Coast 810 46 -16 49
at Powers
Chetco River South Coast 3,370 65 -16 68
near Brookings
All data should be considered provisional and subject to revision.
Percent of average computed using 30-year base period, water years 1991-2020.
(*) provided by Oregon Water Resources Department
2/3/2026