US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR AUGUST 2025
------------------- Change ---------------------
Monthly mean in dis- Accumulated Runoff
discharge charge For the Period
------------------- from Oct. to Aug.
NRCS Cubic Percent previous ---------------------
SWSI feet per of month Percent
Station Basin second average (percent) of average
------------------------------------------------------------------------------------------
Donner Und Blitzen Harney 58 129 -41 156
nr Frenchglen
(*)Deep Creek Lake 15 125 -25 153
above Adel County
(*)Chewaucan River Lake 38 136 -24 200
near Paisley County
Williamson River Klamath 562 124 -3 142
near Chiloquin
Owyhee River Owyhee 136 112 -12 106
near Rome
(*)NF Malheur River Malheur 55 125 -11 156
near Beulah
Grande Ronde R Grande Ronde 499 72 -47 83
at Troy Powder/Burnt
Umatilla River Umatilla 53 120 -4 89
nr Gibbon Lower John Day
John Day River Upper John Day 145 101 -47 132
at Service Crk
(*)Little Deschutes Upper 123 88 2 98
River nr LaPine Deschutes
Hood River Lower Deschutes 250 75 -18 85
nr Hood River Mt.Hood
Willamette River Willamette 6,600 93 -1 104
at Salem
Wilson River North 72 79 -3 91
near Tillamook Coast
Umpqua River Rogue/Umpqua 878 76 -19 123
near Elkton
Rogue River Rogue/Umpqua 2,460 106 3 141
near Agness
SF Coquille River South Coast 20 63 -39 114
at Powers
Chetco River South Coast 67 62 -34 123
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
9/2/2025