DWR_4151909

• Title: JUNE 1998 SWSI: COLORADO WATER SUPPLY CONDITIONS UPDATE, SURFACE WATER SUPPLY INDEX
• Year: 1998
• Document Type - Publications and Reports: SWSI Monthly Report

.
GUNNISON BASIN June, 1998
Basinwide Conditions Assessment: S
The SWSI value of 0.6 indicates that for May the GUNNISON RIVER BASIN
basin water supplies were near normal. Flow at the gaging 5_ Surface water Supply Index Hlatory -
station Uncompahgre River near Ridgway averaged 266 cfs as 4- L
compared to the long term average of 323 cfs. Storage in F .t. 'i- ,4.
3- — i Q1
Taylor Park, Crawford, and Fruitland reservoirs totaled 115% . If
L
of normal as of the end of May. 2- '" "�
The south and west side of the Grand Mesa continue 1- � -r-- w..,
to show above normal snowpack amounts. The Water i 0 i ti , _ g
Commissioner reports that nearly all of the reservoirs are full _' # r N, ; it 111
and spilling, and there is still a lot of snow left on top of the _ ,`{
mesa. He also reports that the runoff in May has been very o -2 i 1
steady, and irrigators have had enough water to satisfy their -3- -
needs. Most creeks in the Cedaredge will start having water
JANB9 JAN90 JAN91 JAN92 JAN93 JAN94 JAN9S .JAN9S JAN97 JAN98
shortages in July. MONTW TEAR
In other areas the dry May weather has caused
farmers and ranchers to irrigate heavily. So far there has
been enough water to satisfy their needs.
Blue Mesa Reservoir near Gunnison has started to fill
and should reach its full capacity without any problem. UNCOMPAHGRE RIVER NR. RI DGWAY
Ridgway Reservoir on the Uncompahgre River will start to fill 200 FLOW BY WATER YEAR
190
around the first part of June. 180
170
160
Outlook " 150
140
The spring runoff should be about normal in most 4 130 -
areas,except for the Grand Mesa area which should be above ,1 1 120 g� 1uo
normal. 11 90
z.V 90
is 70
Public Use Impacts 1 60
50This should be a good year for water users in the 30 '
Gunnison and San Miguel basins. There will be sufficient 20
10
amounts in the rivers and reservoirs for recreation 0
Oct Nov Dec Jan Feb Morph April him/ Jun. Juiy Aud Sept
opportunities. Irrigators will have ample supplies, especially I,3NTI.1
those that have reservoir water for late in the season. ``'9�' °'"`""' AVO x "'°
REPRESENTATIVE RESERVOIRS
60 GUNNISON RIVER BASIN
Z 60
�^ 50-,,/:/ .\\\\\
■n
a. 40
hF
V
a
r
20:///\\,'
10 /7.\\
0 /\ r/\- y///NV
Taylor Park Crawford Fruitland
® Avg. 5/31 Conant. ® 5/31/98 Content.
6