DEC
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ACTIVE % OF % OF
STATION - CODE CAPACITY 2009 CAPACITY AVG AVG
--------------------------- ------ ------ --- ------ ---
HGH-AF-HUNGRY HORSE DAM & R 2981.20 2199.48H 74 2139.09 103
CMO-AF-COMO DAM AND LAKE ON 35.10 15.36V 44 8.79 175
Yakima River Basin
CLE-AF-CLE ELUM LAKE, WA 436.90 249.61O 57 230.20R 108
KAC-AF-KACHESS LAKE, WA 239.00 174.22O 73 159.10 110
KEE-AF-KEECHELUS LAKE, WA 157.80 95.00O 60 83.00 114
RIM-AF-TIETON DAM & RIMROCK 198.00 95.55O 48 102.10 94
BUM-AF-BUMPING LAKE, WA 33.70 10.56O 31 6.20R 170
Columbia Basin
GCL-AF-GRAND COULEE DAM & F 5185.45 4805.82V 93 4547.90 106
BNK-AF-BANKS LAKE NR GRAND 715.00 682.11V 95 592.58 115
POT-AF-O'SULLIVAN DAM & POT 332.20 **** *** 208.01 ***
Okanogan River Basin
CCR-AF-CONCONULLY DAM & RES 13.00 **** *** 6.36 ***
CCL-AF-SALMON LK DAM & CONC 10.50 **** *** 8.16 ***
Snake River Basin
JCK-AF-JACKSON LAKE NEAR MO 847.00 639.50V 76 470.20 136
PAL-AF-PALISADES RESERVOIR 1200.00 629.12V 52 835.62 75
ISL-AF-ISLAND PARK RESERVOI 135.20 104.92V 78 89.37 117
GRS-AF-GRASSY LAKE NR MORAN 15.20 12.70V 84 10.47 121
RIR-AF-RIRIE RESERVOIR NEAR 80.50 37.99V 47 31.60E 120
AMF-AF-AMERICAN FALLS RES A 1672.60 955.45V 57 969.47 99
MIN-AF-MINIDOKA DAM & LAKE 95.20 39.96V 42 47.55 84
WOD-AF-LITTLE WOOD RESERVOI 30.00 8.06V 27 13.32 61
Boise River Basin
AND-AF-ANDERSON RANCH RES A 413.10 225.92V 55 265.51 85
ARK-AF-ARROWROCK RESERVOIR 272.20 182.06V 67 184.27 99
LUC-AF-LUCKY PEAK LAKE NEAR 264.40 60.97V 23 57.63 106
LOW-AF-LAKE LOWELL, ID 119.40 90.03V 75 109.94 82
Payette River Basin
CSC-AF-CASCADE RESERVOIR AT 646.46 412.69V 64 370.33 111
DED-AF-DEADWOOD RESERVOIR N 161.90 80.61V 50 73.48 110
Weiser River Basin
MAN-AF-MANN CR DAM & RES ON 11.10 2.15V 19 3.54E 61
Clearwater River Basin
RES-AF-LEWISTON ORCHARDS RE 3.00 0.96V 32 1.41E 68
SOL-AF-SOLDIERS MEADOW DAM, 2.37 0.81V 34 0.61E 132
WAH-AF-WAH
Owyhee River Basin
OWY-AF-LAKE OWYHEE NEAR NYS 715.00 185.72V 26 401.65 46
WLD-AF-WILDHORSE RESERVOIR 71.50 25.00V 35 30.45 82
Malheur River Basin
BEU-AF-AGENCY VALLEY DAM & 59.90 11.68V 20 19.92 59
BUL-AF-BULLY CREEK RESERVOI 30.00 6.43V 21 10.70E 60
WAR-AF-WARM SPRINGS RESERVO 191.00 14.65V 8 74.28 20
Powder River Basin
PHL-AF-MASON DAM & PHILLIPS 73.50 34.64V 47 36.63E 95
THF-AF-THIEF VALLEY RESERVO 17.40 12.08V 69 14.99E 81
Burnt River Basin
UNY-AF-UNITY RESERVOIR NEAR 25.20 8.27V 33 9.99 83
Umatilla River Basin
MCK-AF-MCKAY RESERVOIR NR P 66.26 16.60V 25 20.85 80
CLS-AF-COLD SPRINGS DAM & R 38.33 1.22V 3 17.16 7
Deschutes River Basin
CRA-AF-CRANE PRAIRIE DAM & 55.30 41.45V 75 37.35 111
CRE-AF-CRESCENT LK DAM & LK 86.90 61.48V 71 47.78 129
WIC-AF-WICKIUP DAM & RES ON 200.00 171.34V 86 134.95 127
OCH-AF-OCHOCO DAM & RES ON 45.24 21.84V 48 20.14 108
PRV-AF-ARTHUR R BOWMAN DAM 152.80 86.58V 57 91.20 95
HAY-AF-HAYSTACK DAM & RES O 5.64 4.54V 81 4.68E 97
WAS-AF-WASCO DAM & CLEAR LA 11.90 4.20V 35 4.50 93
Rogue River Basin
AGA-AF-AGATE DAM AND RES ON 4.70 1.85V 39 2.51E 74
EMI-AF-EMIGRANT DAM & LK ON 39.00 16.79V 43 18.12 93
FIS-AF-FISH LK NR LAKE CR, 7.90 6.31V 80 5.07E 125
FOR-AF-FOURMILE LAKE, OR 15.60 10.23V 66 7.98E 128
HPD-AF-HOWARD PRAIRIE DAM & 60.60 44.42V 73 40.47E 110
HYA-AF-HYATT DAM & RES NR A 16.00 13.63V 85 10.34E 132
Tualatin River Basin
SCO-AF-SCOGGINS DAM AND HEN 53.60 25.12V 47 26.79E 94
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TOTAL OF 50 RESERVOIRS 17995.04 12637.66 70 12491.78 101
AF is acre-feet.
AVG is published 30-year average, 1961-1990.
Please note that all data are PROVISIONAL and subject to revision.
This report is updated monthly, after the 10th of each month.