DWR_4151757

• Title: MAY 1993 SWSI: COLORADO WATER SUPPLY CONDITIONS UPDATE, SURFACE WATER SUPPLY INDEX
• Year: 1993
• Document Type - Publications and Reports: SWSI Monthly Report

I
SOUTH PLATTE BASIN
Basinwide Conditions Assessment:
SOUTH PLATTE RIVER BASIN
Surface @rt.r B"°P'Y '"°'x History
The SWSI value of +2.0 indicates that for April the
s
basin water supplies were above normal. Reservoir storage,
the key component in this basin in computing the SWSI value, W 3 . .4.z. . _
was 100%of normal on April 30. Storage in the major plains ,r ' '"
reservoirs,Julesburg,North Sterling,and Prewitt,increased by 2 w ?
6,205 acre-feet during April and are at 97% of capacity. 1 -�- �.
- ra�iiwN
Storage in the major upper basin reservoirs,Cheesman,Eleven o
Mile, Spinney,and Antero,decreased by 895 acre-feet and are {
at 82% of capacity. The Soil Conservation Service reports
April snowpack at 132% of normal. The National Weather -z
Service reports April precipitation as 99% of normal. The
mean daily flow at the Kersey gage on the South Platte River -4
JAN94 JANBS JANEE JM67 JAMB JANB9 JAN00 JAN91 JAI.= JA103
was 776 cfs, as compared to the 1961-1991 April average of IOIITHI YEAR
998 cfs. Flow at the Colorado/Nebraska stateline averaged
634 cfs for the month.
Administrative/Management Concerns
The month of April began with the Cheesman storage SOUTH PLATTE RIVER NA. KERSEY
call.of 6-27-1889, on the 22nd the Burlington Direct call of 700
F`O'S ST WATER FEAR
11-20-1885 was placed.
soo
400
i
300
I 200
,00
0
Oct Npv O@c Jan Feb March AoriI
IplTH
O WET C19S2 o ORY(11354) A AVG X 1293
REPRESENTATIVE RESERVOIRS
SOUTH PLATTE RIVER BASIN
210
200
190 Foillois
• 1B0
170 �\
1S0130
40
�\
.1,010
7-7
so
30 „
811°7 ,N /2\\ 7\7/\
Oi I Ion NprNtooth Mayon Mt Is Charm. Jackson Earr Lake
•
® Avp. 4,30 content@ ® 4/30/113 Content.
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