Colorado State Basin Outlook Report

• File Number: 8461.250
• Description: Water Issues
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 4/14/2008
• Author: Natural Resource Conservation Service
• Title: Colorado State Basin Outlook Report
• Water Supply Pro - Doc Type: Report/Study

State Basin Outlook Reports
Page7of15
APR-SEP 75 98 114 85 130 153 134
ST. VRAIN CREEK at Lyons (2)
APR-JUL 51 63 71 76 79 91 94
APR-SEP 62 75 84 77 93 106 109
BOULDER CREEK nr Orodell (2)
APR-JiJL 32 38 43 83 48 54 52
APR-SEP 36 44 50 83 56 64 60
SOUTH BOULDER CK nr Eldorado Spgs (2)
APR-JUL 28 34 37 90 40 46 41
APR-SEP 29 36 41 89 46 53 46
BIG THOMPSON R at Canyon Mout h (2)
APR-JUL 54 66 75 76 84 96 99
APR-SEP 66 82 92 77 102 118 119
CACHE LaPOUDRE at Canyon Mout h (2)
APR-JUL 129 174 205 84 235 280 245
APR-SEP 145 196 230 84 265 315 275
------------------------
* 90%, 70%, 50%, 30%, and ---------
10$ chances
of exceed'ing
are
the probabilities that
the actual volume will e xceed the v olumes in the tabl e.
The average is computed for the 1971- 2000 base per iod.
(1) - The values listed un der the 10% and 90% Chan ce of Exceeding are
actually 5% and 95% exceedance levels.
(2) - The value is natural volume - actual volume may b e affected by upstream
water management.
SOUTH PLATTE RIVER BASIN
Reservoir Storage (10 00AF) End of December
Usable ********** Usab le Storage *********
Reservoir
-
----------------------- Capacity
----------- This Year
------------- La
----- st Year
----------- Average
-----------
----
-
-----------------------------
ANTERO -----------
19.9 -------------
20.2 ----- -----------
16.6 -----------
16.5
BARR LAKE 30.1 22.8 22.8 22.4
BLACK HOLLOW 6.5 2.2 2.3 3.8
BOYD LAKE 44.0 20.7 12.6 31.7
BUTTON ROCK/RALPH PRICE 16.2 15.2 15.8 13.6
CACHE LA POUDRE 10.1 5.1 2.4 6.3
CARTER 108.9 16.2 20.2 74.7
CHAMBERS LAKE 8.8 2.2 2.5 2.8
CHEESMAN 79.0 64.8 68.5 60.9
COBB LAKE 22.3 2.8 3.4 13.9
ELEVEN MILE 98.0 99.2 100.5 95.9
EMPIRE 36.5 7.2 12.7 22.2
FOSSIL CREEK 11.1 2.8 6.6 6.3
GROSS 42.0 29.4 25.0 26.2
HALLIGAN 6.4 3.2 3.4 3.6
HORSECREEK 14.7 9.6 0.3 10.9
HORSETOOTA 149.7 86.9 81.3 87.8
JACKSON 26.1 23.9 13.7 23.0
JULESBURG 20.5 16.6 17.4 18.4
LAKE LOVELAND 14.0 11.3 10.5 8.9
LONE TREE 9.0 5.6 4.5 6.0
MARIANO 6.0 1.5 3.9 4.1
MARSHALL 10.0 4.7 3.7 4.7
MARSTON 13.0 10.4 11.1 12.7
MILTON 23.5 14.0 3.8 14.8
POINT OF ROCKS 70.6 39.0 23.9 51.1
PREWITT 28.2 20.6 0.7 18.0
RIVERSIDE 55.8 44.1 35.2 38.1
SPINNEY MOUNTAIN 49.0 36.3 34.7 35.4
STANDLEY 42.0 37.7 38.8 32.5
http://www.wcc.nres.usda.gov/cgibin/bor2.pl?state=co&year=2008&month=l&format=text 4/14/2008