US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR APRIL 2021
------------------- Change ---------------------
Monthly mean in dis- Accumulated Runoff
discharge charge For the Period
------------------- from Oct. to Apr.
NRCS Cubic Percent previous ---------------------
SWSI feet per of month Percent
Station Basin second average (percent) of average
------------------------------------------------------------------------------------------
Donner Und Blitzen Harney 144 64 97 56
nr Frenchglen
(*)Deep Creek Lake 116 31 183 25
above Adel County
(*)Chewaucan River Lake 167 47 248 41
near Paisley County
Williamson River Klamath 603 33 6 48
near Chiloquin
Owyhee River Owyhee 528 20 -31 28
near Rome
(*)NF Malheur River Malheur 230 62 89 59
near Beulah
Grande Ronde R Grande Ronde 6,030 99 48 88
at Troy Powder/Burnt
Umatilla River Umatilla 587 109 19 103
nr Gibbon Lower John Day
John Day River Upper John Day 3,570 67 39 56
at Service Crk
(*)Little Deschutes Upper 91 34 25 48
River nr LaPine Deschutes
Hood River Lower Deschutes 821 66 -1 88
nr Hood River Mt.Hood
Willamette River Willamette 12,200 52 -31 88
at Salem
Wilson River North 475 40 -58 108
near Tillamook Coast
Umpqua River Rogue/Umpqua 3,600 39 -50 71
near Elkton
Rogue River Rogue/Umpqua 2,380 37 -49 60
near Agness
SF Coquille River South Coast 317 34 -76 89
at Powers
Chetco River South Coast 1,070 43 -63 84
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
5/3/2021