SWSIReportSept2003

• Title: Colorado Water Supply Conditions Report
• Date: 9/24/2003
• Description: Presentation
• Basin: Statewide
• Drought Mitigation - Doc Type: Presentation

ARKANSAS BASIN

Bas m"!,Ic1e Conditions Asscssme-'ll
The SVvS value of -22 If'lClcatttS thallOf August me
baSin water su;:.;,lies were belay,. normal :=tow al tt'e gaging
stalon Nkansas R:ve" near Portlanc was 406 cfs. as
compared [0 :~e long-term average of ',014 efs S~orage In
Turquclse, Tw,n lakes, Pue:J!o. and John Martin rcsel'.'OHS
tOlaled 53% of ~orm<ll as of :n~ end of August.
Rive: conditions 'n 're Arkansas River basin
cet€r'oraled rapidly ir August, pOSSibly due in part to the
record seltrg I'!gh tempcralu'es experienced in July. as ....el1
as below a~erage preclpllatie'1 For example, Pueblo's total
"reClpllalla., for the menU1 01 AlIgusl.....as 1 17 Inches 515%
c~ :.,e avera;e cf 2 27 _nC/les. 0'1 a poslt"..e nole, Ih.s was OJ
vas: ImprOvel'l1Cnt over Pueblo's AlJgust 2OC2 lotal
prec,p;la:lQn 01 0 30 inches Stored water sources conti'lucd
10 be drawn upon l'eiNlly by direct flow irngators. de:::rcas,ng
Ire waler levels in Pueblo Rese",'oir. John Martin Reservoir
and ott1e~ stcrage vessels. ~lo..... even tast SUlT'mer's Io....esl
.evels

Sep-03

>\qmlnls:"atlveJ"-lanaQcment Concerns
The river c<lll on the main stem of the Arkansas River
started off [he month al an 1884 date, but by the middle of
the monlh tlad detenC"aled 10 a~ 1874 Rocky Ford Dlt:h calt.
7he cilil lingered thcfe l..nlilthe last five days of l~e month,
....."el) r1ve~ condllions irrproved somewha: with the lale
a'rlval of PIe monsoon

Publ:c Use Imnacts
GOVl':rnrrenl st'1d muniCipal a;eneies cooperaled
dutl'lg the Usl nail 01 August 10 supplemenl U1e 10..... row
conditions ut:stream of PueblO Reservoir for recreal;onal
Interests Dving tne second week of AJgus;. as much as
390 cis .....as added to !(eeo t'1e '10.... al the slrea'T: ga98
ArkilnSds River rlear \,\'e!ls\lllle althe largel no..... of 750 cis

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