APR
-----------------------------
ACTIVE % OF % OF
STATION - CODE CAPACITY 2008 CAPACITY AVG AVG
--------------------------- ------ ------ --- ------ ---
HGH-AF-HUNGRY HORSE DAM & R 2981.20 1737.47H 58 1595.97 109
CMO-AF-COMO DAM AND LAKE ON 35.10 18.34V 52 19.91 92
Yakima River Basin
CLE-AF-CLE ELUM LAKE, WA 436.90 156.36O 36 295.90R 53
KAC-AF-KACHESS LAKE, WA 239.00 157.46O 66 194.20 81
KEE-AF-KEECHELUS LAKE, WA 157.80 66.35O 42 114.00 58
RIM-AF-TIETON DAM & RIMROCK 198.00 100.72O 51 136.80 74
BUM-AF-BUMPING LAKE, WA 33.70 5.83O 17 11.60R 50
Columbia Basin
GCL-AF-GRAND COULEE DAM & F 5185.45 1096.70V 21 1108.60 99
BNK-AF-BANKS LAKE NR GRAND 715.00 668.29V 93 498.24 134
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 847.00 361.10V 43 456.46 79
PAL-AF-PALISADES RESERVOIR 1200.00 525.87V 44 749.73 70
ISL-AF-ISLAND PARK RESERVOI 135.20 114.66V 85 126.04 91
GRS-AF-GRASSY LAKE NR MORAN 15.20 13.87V 91 11.70 119
RIR-AF-RIRIE RESERVOIR NEAR 80.50 46.44V 58 53.48E 87
AMF-AF-AMERICAN FALLS RES A 1672.60 1305.60V 78 1545.67 84
MIN-AF-MINIDOKA DAM & LAKE 95.20 91.11V 96 94.37 97
WOD-AF-LITTLE WOOD RESERVOI 30.00 14.74V 49 25.24 58
Boise River Basin
AND-AF-ANDERSON RANCH RES A 413.10 141.32V 34 286.00 49
ARK-AF-ARROWROCK RESERVOIR 272.20 243.23V 89 203.96 119
LUC-AF-LUCKY PEAK LAKE NEAR 264.40 205.37V 78 163.83 125
LOW-AF-LAKE LOWELL, ID 119.40 85.80V 72 151.40 57
Payette River Basin
CSC-AF-CASCADE RESERVOIR AT 646.46 387.51V 60 380.52 102
DED-AF-DEADWOOD RESERVOIR N 161.90 73.27V 45 102.64 71
Weiser River Basin
MAN-AF-MANN CR DAM & RES ON 11.10 10.78V 97 9.96E 108
Clearwater River Basin
RES-AF-LEWISTON ORCHARDS RE 3.00 1.08V 36 3.08E 35
SOL-AF-SOLDIERS MEADOW DAM, 2.37 1.03V 44 1.63E 63
WAH-AF-WAH
Owyhee River Basin
OWY-AF-LAKE OWYHEE NEAR NYS 715.00 452.44V 63 607.35 74
WLD-AF-WILDHORSE RESERVOIR 71.50 39.92V 56 47.20 85
Malheur River Basin
BEU-AF-AGENCY VALLEY DAM & 59.90 38.86V 65 50.22 77
BUL-AF-BULLY CREEK RESERVOI 30.00 20.36V 68 25.23E 81
WAR-AF-WARM SPRINGS RESERVO 191.00 58.45V 31 145.56 40
Powder River Basin
PHL-AF-MASON DAM & PHILLIPS 73.50 30.19V 41 58.61E 52
THF-AF-THIEF VALLEY RESERVO 17.40 13.51V 78 17.46E 77
Burnt River Basin
UNY-AF-UNITY RESERVOIR NEAR 25.20 23.92V 95 24.58 97
Umatilla River Basin
MCK-AF-MCKAY RESERVOIR NR P 66.26 55.19V 83 58.65 94
CLS-AF-COLD SPRINGS DAM & R 38.33 27.59V 72 46.82 59
Deschutes River Basin
CRA-AF-CRANE PRAIRIE DAM & 55.30 48.11V 87 44.04 109
CRE-AF-CRESCENT LK DAM & LK 86.90 49.96V 57 56.69 88
WIC-AF-WICKIUP DAM & RES ON 200.00 186.36V 93 189.90 98
OCH-AF-OCHOCO DAM & RES ON 45.24 37.88V 84 39.09 97
PRV-AF-ARTHUR R BOWMAN DAM 152.80 141.86V 93 147.59 96
HAY-AF-HAYSTACK DAM & RES O 5.64 4.37V 78 5.02E 87
WAS-AF-WASCO DAM & CLEAR LA 11.90 1.92V 16 6.80 28
Rogue River Basin
AGA-AF-AGATE DAM AND RES ON 4.70 4.70V 100 4.67E 101
EMI-AF-EMIGRANT DAM & LK ON 39.00 39.03V 100 37.02 105
FIS-AF-FISH LK NR LAKE CR, 7.90 5.11V 65 6.06E 84
FOR-AF-FOURMILE LAKE, OR 15.60 11.62V 75 10.54E 110
HPD-AF-HOWARD PRAIRIE DAM & 60.60 56.54V 93 51.60E 110
HYA-AF-HYATT DAM & RES NR A 16.00 16.32V 102 14.02E 116
Tualatin River Basin
SCO-AF-SCOGGINS DAM AND HEN 53.60 53.21V 99 52.23E 102
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TOTAL OF 50 RESERVOIRS 17995.04 9047.74 50 10087.88 90
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.