End-of-Month Reservoir Contents for April, 2009
APR
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ACTIVE % OF % OF
STATION - CODE CAPACITY 2009 CAPACITY AVG AVG
--------------------------- ------ ------ --- ------ ---
HGH-AF-HUNGRY HORSE DAM & R 2981.20 2115.07H 71 1595.97 133
CMO-AF-COMO DAM AND LAKE ON 35.10 20.75V 59 19.91 104
Yakima River Basin
CLE-AF-CLE ELUM LAKE, WA 436.90 366.79O 84 295.90R 124
KAC-AF-KACHESS LAKE, WA 239.00 231.85O 97 194.20 119
KEE-AF-KEECHELUS LAKE, WA 157.80 141.78O 90 114.00 124
RIM-AF-TIETON DAM & RIMROCK 198.00 174.90O 88 136.80 128
BUM-AF-BUMPING LAKE, WA 33.70 13.76O 41 11.60R 119
Columbia Basin
GCL-AF-GRAND COULEE DAM & F 5185.45 2797.73V 54 1108.60 252
BNK-AF-BANKS LAKE NR GRAND 715.00 677.50V 95 498.24 136
POT-AF-O'SULLIVAN DAM & POT 332.20 **** *** 261.55 ***
Okanogan River Basin
CCR-AF-CONCONULLY DAM & RES 13.00 **** *** 8.39 ***
CCL-AF-SALMON LK DAM & CONC 10.50 **** *** 8.52 ***
Snake River Basin
JCK-AF-JACKSON LAKE NEAR MO 847.00 671.90V 79 456.46 147
PAL-AF-PALISADES RESERVOIR 1200.00 577.31V 48 749.73 77
ISL-AF-ISLAND PARK RESERVOI 135.20 125.05V 92 126.04 99
GRS-AF-GRASSY LAKE NR MORAN 15.20 13.55V 89 11.70 116
RIR-AF-RIRIE RESERVOIR NEAR 80.50 63.95V 79 53.48E 120
AMF-AF-AMERICAN FALLS RES A 1672.60 1640.13V 98 1545.67 106
MIN-AF-MINIDOKA DAM & LAKE 95.20 90.41V 95 94.37 96
WOD-AF-LITTLE WOOD RESERVOI 30.00 28.11V 94 25.24 111
Boise River Basin
AND-AF-ANDERSON RANCH RES A 413.10 288.31V 70 286.00 101
ARK-AF-ARROWROCK RESERVOIR 272.20 246.16V 90 203.96 121
LUC-AF-LUCKY PEAK LAKE NEAR 264.40 193.47V 73 163.83 118
LOW-AF-LAKE LOWELL, ID 159.37 144.25V 91 151.40 95
Payette River Basin
CSC-AF-CASCADE RESERVOIR AT 646.46 476.50V 74 380.52 125
DED-AF-DEADWOOD RESERVOIR N 161.90 98.77V 61 102.64 96
Weiser River Basin
MAN-AF-MANN CR DAM & RES ON 11.10 10.68V 96 9.96E 107
Clearwater River Basin
RES-AF-LEWISTON ORCHARDS RE 3.00 1.87V 62 3.08E 61
SOL-AF-SOLDIERS MEADOW DAM, 2.37 2.27V 96 1.63E 139
WAH-AF-WAH
Owyhee River Basin
OWY-AF-LAKE OWYHEE NEAR NYS 715.00 412.33V 58 607.35 68
WLD-AF-WILDHORSE RESERVOIR 71.50 **** *** 47.20 ***
Malheur River Basin
BEU-AF-AGENCY VALLEY DAM & 59.90 35.36V 59 50.22 70
BUL-AF-BULLY CREEK RESERVOI 30.00 16.95V 56 25.23E 67
WAR-AF-WARM SPRINGS RESERVO 191.00 46.77V 24 145.56 32
Powder River Basin
PHL-AF-MASON DAM & PHILLIPS 73.50 56.96V 77 58.61E 97
THF-AF-THIEF VALLEY RESERVO 17.40 13.62V 78 17.46E 78
Burnt River Basin
UNY-AF-UNITY RESERVOIR NEAR 25.20 24.92V 99 24.58 101
Umatilla River Basin
MCK-AF-MCKAY RESERVOIR NR P 66.26 65.47V 99 58.65 112
CLS-AF-COLD SPRINGS DAM & R 38.33 31.41V 82 46.82 67
Deschutes River Basin
CRA-AF-CRANE PRAIRIE DAM & 55.30 49.55V 90 44.04 113
CRE-AF-CRESCENT LK DAM & LK 86.90 65.96V 76 56.69 116
WIC-AF-WICKIUP DAM & RES ON 200.00 185.20V 93 189.90 98
OCH-AF-OCHOCO DAM & RES ON 45.24 32.88V 73 39.09 84
PRV-AF-ARTHUR R BOWMAN DAM 152.80 151.13V 99 147.59 102
HAY-AF-HAYSTACK DAM & RES O 5.64 4.85V 86 5.02E 97
WAS-AF-WASCO DAM & CLEAR LA 11.90 6.57V 55 6.80 97
Rogue River Basin
AGA-AF-AGATE DAM AND RES ON 4.70 4.67V 99 4.67E 100
EMI-AF-EMIGRANT DAM & LK ON 39.00 38.89V 100 37.02 105
FIS-AF-FISH LK NR LAKE CR, 7.90 6.60V 84 6.06E 109
FOR-AF-FOURMILE LAKE, OR 15.60 13.23V 85 10.54E 126
HPD-AF-HOWARD PRAIRIE DAM & 60.60 56.73V 94 51.60E 110
HYA-AF-HYATT DAM & RES NR A 16.00 15.97V 100 14.02E 114
Tualatin River Basin
SCO-AF-SCOGGINS DAM AND HEN 53.60 53.36V 100 52.23E 102
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TOTAL OF 49 RESERVOIRS 17963.51 12602.18 70 10040.68 126
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.