US GEOLOGICAL SURVEY, Oregon Water Science Center
WATER AVAILABILITY REPORT FOR APRIL 2009
------------------- 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 182 78 128 61
nr Frenchglen
(*)Deep Creek Lake 241 65 90 46
above Adel County
(*)Chewaucan River Lake 234 64 123 52
near Paisley County
Williamson River Klamath 1,174 59 6 60
near Chiloquin
Owyhee River Owyhee 1,798 64 -6 53
near Rome
Malheur River Malheur 40 7 -51 29
nr Vale (19yrs POR)
Imnaha River Grande Ronde 953 102 176 87
at Imnaha Powder/Burnt
Grande Ronde R Grande Ronde 10,090 164 126 108
at Troy Powder/Burnt
Umatilla River Umatilla 923 176 107 115
nr Gibbon Lower John Day
John Day River Upper John Day 6,346 119 118 74
at Service Crk
(*)Little Deschutes Upper 182 62 58 53
River nr LaPine Deschutes
Hood River Lower Deschutes 1,570 124 35 89
nr Hood River Mt.Hood
Willamette River Willamette 21,880 92 -8 77
at Salem
Wilson River North 1,242 106 -22 89
near Tillamook Coast
Umpqua River Rogue/Umpqua 8,003 83 -37 78
near Elkton
Rogue River Rogue/Umpqua 4,112 58 -41 59
near Agness
Chetco River South Coast 653 27 -83 74
near Brookings
All data should be considered provisional and subject to revision
Percent of average computed using 30-year base period,wtr yrs 1971-2000,except where noted
(*) provided by Oregon Water Resources Department
5/12/2009