US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR NOVEMBER 2025
------------------- Change ---------------------
Monthly mean in dis- Accumulated Runoff
discharge charge For the Period
------------------- from Oct. to Nov.
NRCS Cubic Percent previous ---------------------
SWSI feet per of month Percent
Station Basin second average (percent) of average
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Donner Und Blitzen Harney 50 116 -2 120
nr Frenchglen
(*)Deep Creek Lake 32 110 52 108
above Adel County
(*)Chewaucan River Lake 53 123 10 128
near Paisley County
Williamson River Klamath 587 94 2 97
near Chiloquin
Owyhee River Owyhee 174 101 33 98
near Rome
(*)NF Malheur River Malheur 60 111 2 114
near Beulah
Grande Ronde R Grande Ronde 723 64 24 69
at Troy Powder/Burnt
Umatilla River Umatilla 51 44 -6 63
nr Gibbon Lower John Day
John Day River Upper John Day 365 74 25 80
at Service Crk
(*)Little Deschutes Upper 54 57 20 59
River nr LaPine Deschutes
Hood River Lower Deschutes 739 76 115 73
nr Hood River Mt.Hood
Willamette River Willamette 13,500 53 32 62
at Salem
Wilson River North 1,650 82 596 73
near Tillamook Coast
Umpqua River Rogue/Umpqua 1,660 32 27 43
near Elkton
Rogue River Rogue/Umpqua 2,410 69 12 84
near Agness
SF Coquille River South Coast 389 47 374 48
at Powers
Chetco River South Coast 1,540 61 454 59
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
12/2/2025