
US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR SEPTEMBER 2020
------------------- Change ---------------------
Monthly mean in dis- Accumulated Runoff
discharge charge For the Period
------------------- from Oct. to Sep.
NRCS Cubic Percent previous ---------------------
SWSI feet per of month Percent
Station Basin second average (percent) of average
------------------------------------------------------------------------------------------
Donner Und Blitzen Harney 31 70 -11 68
nr Frenchglen
(*)Deep Creek Lake 9 50 13 61
above Adel County
(*)Chewaucan River Lake 21 68 17 53
near Paisley County
Williamson River Klamath 485 95 2 60
near Chiloquin
Owyhee River Owyhee 289 216 131 51
near Rome
(*)NF Malheur River Malheur 41 85 -5 71
near Beulah
Grande Ronde R Grande Ronde 659 96 -10 108
at Troy Powder/Burnt
Umatilla River Umatilla 46 105 -6 140
nr Gibbon Lower John Day
John Day River Upper John Day 84 41 8 79
at Service Crk
(*)Little Deschutes Upper 98 77 -17 63
River nr LaPine Deschutes
Hood River Lower Deschutes 254 82 5 73
nr Hood River Mt.Hood
Willamette River Willamette 9,450 104 24 70
at Salem
Wilson River North 276 230 173 94
near Tillamook Coast
Umpqua River Rogue/Umpqua 829 68 -8 63
near Elkton
Rogue River Rogue/Umpqua 1,800 85 -12 57
near Agness
SF Coquille River South Coast 20 50 -23 55
at Powers
Chetco River South Coast 102 82 -14 66
near Brookings
All data should be considered provisional and subject to revision.
Percent of average computed using 30-year base period, water years 1981-2010.
(*) provided by Oregon Water Resources Department
10/1/2020