WSP07832

• File Number: 8147
• Description: Gunnison-Arkansas Project
• State: CO
• Water Division: 4
• Date: 2/27/1951
• Author: CWCB
• Title: Report of Policy and Review Committee with Proposed Principles of Operation - Appendix A
• Water Supply Pro - Doc Type: Report/Study

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c..,:,.;J.

Tab]e

"

Water available for irrigation use in Arkansas River Valley as a result of
initial development. Average for period 1911-1944.

Units 1,000 acre-feet

,
,

.'

:

: Losses
: : Reser-
Gross:Spills (8): Trans- : voir
Water: :portaticn Evapor-
: ation(8):
7.5 : 5.0
: 2,0

Item

Frying Pan Diversion
AT 'mnsas River Flood
liurtz Ditch
. ~:') "i cipa! \1~tez:
=-_:,::..:c.u=- .. SUBTOT!i~-=- . ~

(1)
(2)
(J)
(4).

69.2:
,0;0: 30.0
2.0:
:. :.11.0.L.. -

:

~.- - '"!-

t =-_ __ .:. =- _ .

.- . _- 0":- .- -=~-:..:_

:

~,.~.. =-_,~2,t,'lrn .flovr, from.. ' , :,.
;-..-~-o.municip_a:Ll':at,.e-,.=(5)-:.. -- C: - 7';0':
~- -= -=Addhional' 'Nfi)i LaKes "':' :-=-=-
---- imports (6) 14.9:
Wi~ter flow Arkansas
River (7)
TOT.\L ARKANSAS VALLEY

.~.!.~ ~:--. ..

: ."-
--~-

. -
. ..

:----.-.

..-1;:.50==:;-.:.. 6'0.7'" =- .., ---

:-- --z

--.--
,

1.4

:

1.0
3.0
14.0

12.5

74.0
]47.7
3.,

:

18.8

74.0
154~
5.2

:

93.0: 16.0
~19.1: 45.5
tri butary streams

:

5.9

Municipal Return flow in

(5)

(1) Divertible from Frying Pan Watershed and Hunter Creek.
(2) Water at 'Pueblo Damsite, which . would spill' from 'Caddoa ReserVoir. It occurs
, 'largely in years of high runoff such a61915, 1921, 1923, 1924, and 1942.
(3) Additional useable water (for municipal purposes).due to more efficient use
of the water yielded by Wurtz Project." '
'. (4) Wurtz Ditch importation ,(2,.000 AF)plus15,oOO AF. project water.
(5) Estimated as 70 per cent of 15,000 acre-feet roject water diverted. -Of these
diversions, about 10,000 acre-feet are for-municipalities located along
" Arkansas River and about "qoo acre-feet for Colorado Springs ami' Eads
located on tributaries. ' ,', , '
(6) Additional imports made possible by provision of additional storage capacity
in ~vin Lakes Reservoir and replacement. storage in, Aspen Reservoir;
(7) Estimated .nnter fl~I'now being diverted for 'direct flow use which could be
stored' in Pueblo Reservoir; by agreement, 'vnthout depleting winter 'inflow
to John Martin Reservoir.
~8) Determined from Reservoir 'operation study, distribution b) Items based.on
operating assur..ptions.
(9) The virgin water supply plus'use and reuse of return fl<Nl. Except for re~
regulated ~~nter fl~1 the head[ate supply is estimated at 1., times the
_ _.____virg~r:.!.up~~y~ ____"_ __' . ______ _ __ .___ ____ ______. _ _____