
US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR JULY 2025
------------------- Change ---------------------
Monthly mean in dis- Accumulated Runoff
discharge charge For the Period
------------------- from Oct. to July
NRCS Cubic Percent previous ---------------------
SWSI feet per of month Percent
Station Basin second average (percent) of average
------------------------------------------------------------------------------------------
Donner Und Blitzen Harney 99 110 -66 157
nr Frenchglen
(*)Deep Creek Lake 20 63 -84 153
above Adel County
(*)Chewaucan River Lake 50 89 -69 201
near Paisley County
Williamson River Klamath 581 113 -21 143
near Chiloquin
Owyhee River Owyhee 155 77 -26 105
near Rome
(*)NF Malheur River Malheur 62 102 -38 157
near Beulah
Grande Ronde R Grande Ronde 949 51 -72 83
at Troy Powder/Burnt
Umatilla River Umatilla 55 95 -26 89
nr Gibbon Lower John Day
John Day River Upper John Day 276 58 -79 132
at Service Crk
(*)Little Deschutes Upper 121 85 -34 99
River nr LaPine Deschutes
Hood River Lower Deschutes 306 64 -37 85
nr Hood River Mt.Hood
Willamette River Willamette 6,680 87 -17 104
at Salem
Wilson River North 74 50 -41 91
near Tillamook Coast
Umpqua River Rogue/Umpqua 1,080 68 -45 124
near Elkton
Rogue River Rogue/Umpqua 2,380 97 -38 142
near Agness
SF Coquille River South Coast 33 61 -58 114
at Powers
Chetco River South Coast 102 50 -44 123
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
8/4/2025