End-of-Month Reservoir Contents for May, 2009
MAY
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ACTIVE % OF % OF
STATION - CODE CAPACITY 2009 CAPACITY AVG AVG
--------------------------- ------ ------ --- ------ ---
HGH-AF-HUNGRY HORSE DAM & R 2981.20 2461.68H 83 2212.64 111
CMO-AF-COMO DAM AND LAKE ON 35.10 35.70V 102 28.82 124
Yakima River Basin
CLE-AF-CLE ELUM LAKE, WA 436.90 434.25O 99 367.20R 118
KAC-AF-KACHESS LAKE, WA 239.00 236.89O 99 216.90 109
KEE-AF-KEECHELUS LAKE, WA 157.80 155.12O 98 139.40 111
RIM-AF-TIETON DAM & RIMROCK 198.00 197.24O 100 159.90 123
BUM-AF-BUMPING LAKE, WA 33.70 33.24O 99 25.40R 131
Columbia Basin
GCL-AF-GRAND COULEE DAM & F 5185.45 3836.07V 74 2577.80 149
BNK-AF-BANKS LAKE NR GRAND 715.00 703.20V 98 502.32 140
POT-AF-O'SULLIVAN DAM & POT 332.20 **** *** 228.77 ***
Okanogan River Basin
CCR-AF-CONCONULLY DAM & RES 13.00 **** *** 10.15 ***
CCL-AF-SALMON LK DAM & CONC 10.50 **** *** 9.57 ***
Snake River Basin
JCK-AF-JACKSON LAKE NEAR MO 847.00 742.08V 88 540.81 137
PAL-AF-PALISADES RESERVOIR 1200.00 744.78V 62 855.09 87
ISL-AF-ISLAND PARK RESERVOI 135.20 125.67V 93 134.01 94
GRS-AF-GRASSY LAKE NR MORAN 15.20 15.16V 100 13.63 111
RIR-AF-RIRIE RESERVOIR NEAR 80.50 80.24V 100 68.36E 117
AMF-AF-AMERICAN FALLS RES A 1672.60 1616.03V 97 1501.43 108
MIN-AF-MINIDOKA DAM & LAKE 95.20 93.09V 98 96.03 97
WOD-AF-LITTLE WOOD RESERVOI 30.00 29.84V 99 27.82 107
Boise River Basin
AND-AF-ANDERSON RANCH RES A 413.10 399.53V 97 364.64 110
ARK-AF-ARROWROCK RESERVOIR 272.20 246.95V 91 203.12 122
LUC-AF-LUCKY PEAK LAKE NEAR 264.40 260.11V 98 203.32 128
LOW-AF-LAKE LOWELL, ID 159.37 133.78V 84 141.12 95
Payette River Basin
CSC-AF-CASCADE RESERVOIR AT 646.46 613.77V 95 511.28 120
DED-AF-DEADWOOD RESERVOIR N 161.90 149.78V 93 137.72 109
Weiser River Basin
MAN-AF-MANN CR DAM & RES ON 11.10 10.59V 95 10.38E 102
Clearwater River Basin
RES-AF-LEWISTON ORCHARDS RE 3.00 1.88V 63 3.10E 61
SOL-AF-SOLDIERS MEADOW DAM, 2.37 2.37V 100 1.90E 125
WAH-AF-WAH
Owyhee River Basin
OWY-AF-LAKE OWYHEE NEAR NYS 715.00 394.23V 55 598.47 66
WLD-AF-WILDHORSE RESERVOIR 71.50 45.71V 64 49.34 93
Malheur River Basin
BEU-AF-AGENCY VALLEY DAM & 59.90 37.30V 62 48.35 77
BUL-AF-BULLY CREEK RESERVOI 30.00 14.14V 47 22.61E 63
WAR-AF-WARM SPRINGS RESERVO 191.00 43.20V 23 141.29 31
Powder River Basin
PHL-AF-MASON DAM & PHILLIPS 73.50 68.44V 93 62.84E 109
THF-AF-THIEF VALLEY RESERVO 17.40 13.44V 77 16.97E 79
Burnt River Basin
UNY-AF-UNITY RESERVOIR NEAR 25.20 23.67V 94 22.77 104
Umatilla River Basin
MCK-AF-MCKAY RESERVOIR NR P 66.26 65.59V 99 59.87 110
CLS-AF-COLD SPRINGS DAM & R 38.33 25.23V 66 44.55 57
Deschutes River Basin
CRA-AF-CRANE PRAIRIE DAM & 55.30 47.58V 86 40.33 118
CRE-AF-CRESCENT LK DAM & LK 86.90 73.92V 85 59.28 125
WIC-AF-WICKIUP DAM & RES ON 200.00 167.51V 84 165.89 101
OCH-AF-OCHOCO DAM & RES ON 45.24 33.84V 75 38.34 88
PRV-AF-ARTHUR R BOWMAN DAM 152.80 145.45V 95 144.94 100
HAY-AF-HAYSTACK DAM & RES O 5.64 4.84V 86 4.57E 106
WAS-AF-WASCO DAM & CLEAR LA 11.90 9.17V 77 7.90 116
Rogue River Basin
AGA-AF-AGATE DAM AND RES ON 4.70 4.57V 97 4.49E 102
EMI-AF-EMIGRANT DAM & LK ON 39.00 37.58V 96 35.32 106
FIS-AF-FISH LK NR LAKE CR, 7.90 7.21V 91 6.47E 111
FOR-AF-FOURMILE LAKE, OR 15.60 16.60V 106 11.71E 142
HPD-AF-HOWARD PRAIRIE DAM & 60.60 60.36V 100 53.86E 112
HYA-AF-HYATT DAM & RES NR A 16.00 15.70V 98 14.25E 110
Tualatin River Basin
SCO-AF-SCOGGINS DAM AND HEN 53.60 53.32V 99 52.03E 102
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TOTAL OF 50 RESERVOIRS 18035.01 14767.65 82 12750.58 116
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.