US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR DECEMBER 2021
------------------- Change ---------------------
Monthly mean in dis- Accumulated Runoff
discharge charge For the Period
------------------- from Oct. to Dec.
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 32 59 -16 75
nr Frenchglen
(*)Deep Creek Lake 9 14 -50 35
above Adel County
(*)Chewaucan River Lake 30 43 -36 73
near Paisley County
Williamson River Klamath 538 73 -1 83
near Chiloquin
Owyhee River Owyhee 171 56 -3 82
near Rome
(*)NF Malheur River Malheur 49 83 4 88
near Beulah
Grande Ronde R Grande Ronde 1,060 66 14 74
at Troy Powder/Burnt
Umatilla River Umatilla 170 78 107 78
nr Gibbon Lower John Day
John Day River Upper John Day 365 38 18 49
at Service Crk
(*)Little Deschutes Upper 34 26 -38 38
River nr LaPine Deschutes
Hood River Lower Deschutes 984 77 -14 90
nr Hood River Mt.Hood
Willamette River Willamette 42,700 101 80 96
at Salem
Wilson River North 2,800 105 -15 136
near Tillamook Coast
Umpqua River Rogue/Umpqua 6,960 51 83 61
near Elkton
Rogue River Rogue/Umpqua 5,090 57 86 67
near Agness
SF Coquille River South Coast 1,570 87 117 89
at Powers
Chetco River South Coast 3,910 75 14 108
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
01/04/2022