US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR MAY 2025
------------------- 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 463 121 24 175
nr Frenchglen
(*)Deep Creek Lake 543 128 -27 166
above Adel County
(*)Chewaucan River Lake 812 171 -32 226
near Paisley County
Williamson River Klamath 1,950 137 -45 151
near Chiloquin
Owyhee River Owyhee 827 49 -56 113
near Rome
(*)NF Malheur River Malheur 440 138 -35 171
near Beulah
Grande Ronde R Grande Ronde 5,070 70 -10 88
at Troy Powder/Burnt
Umatilla River Umatilla 195 42 -63 92
nr Gibbon Lower John Day
John Day River Upper John Day 4,050 81 -43 142
at Service Crk
(*)Little Deschutes Upper 195 115 1 103
River nr LaPine Deschutes
Hood River Lower Deschutes 836 71 -33 88
nr Hood River Mt.Hood
Willamette River Willamette 12,800 63 -54 107
at Salem
Wilson River North 224 36 -76 93
near Tillamook Coast
Umpqua River Rogue/Umpqua 3,600 58 -58 128
near Elkton
Rogue River Rogue/Umpqua 5,090 94 -41 147
near Agness
SF Coquille River South Coast 173 41 -80 116
at Powers
Chetco River South Coast 366 28 -86 126
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
6/3/2025