WSP06695

• File Number: 8270.100
• Description: Colorado River Basin Water Quality/Salinity -- Misc Water Quality
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 7/1/1973
• Title: Colorado River Water Quality Improvement Program - Dotsero-Glenwood Springs Point Source Studies Status Report - July 1973
• Water Supply Pro - Doc Type: Report/Study

-

W
N
.t:>
.."

l::.:.cirr.:..tccl Co~cs

~~5.:1lina:io\l oE ~':ll;:bincd Do:::oct'o .and Glcnwood DiliChll.rgc5
(M c.L..)
II:

It.-;,1

_Co~~_
$17,700,000
1.O(,6.00~
2,200,000
Z0i:;.0')')
2.730 I DO.)
02/. ,ODD
520,00Q
5.330,000
156,000
26,000
455,000

: _:: ~:';;:'~'.;..; . ..:';;. :}.,h,~~5 ;'ll~..t
..;~..;,.,,! .:laJ J':';;c:~.a:'';':: lin~':;

_ :'..:.::;1 ::C.1L't'~;.:'.,)"'5

...,',) ~;. :::, r ;)'..'~;.'
~v~~or~tiun ~O\ld
:S _;:~ J~v~lo:)l;;~;l.;:
~J:~~~tion syStem
:>::.?....li..c5
C.,h): ins Pond
~~~ul.:1t1ng reservoir and valves
wnd

70tal

$31,015,000

Annual O?cr=::1on. Xaintcnance. and
Rc?lacemcnt CoStS

$ 5,600,000

A.:; indicatcJ/::h.... csti.....:ltcd cost of crc.:lt1ng the di5Ch.:1r~e of the t....o
arcas 5c?at'atcly ....ould cost a??roxi~tcly cleven percent morc than
the cost of co~bininb the dischargcG ior treatment at one desalting
iacility.

7:...~ ?~eviu\,;:; c:;tim.1tcs hllVC been b;J.sed on one-years collections of
c;l.1.:i.ntity aOid quality data. U.S. G~olog,icD.l Qu..",ranolc Sheets for
:oilo;:;ra:>hic .:i.1.'l.c. d1st;mc..:=. estim.;J.tcs. curr~nt Bureau a: Recl:u!"0.3tion
?l.;J.n"inss COSts. and the Desalting Handbook for Planners. 7he
estimates should therefore be recognized as very prelicio.;J.ry and
subject to chan~c as all facets of the data bCCOQcs more factual and
refined.

Sl!l1MARY

The data S.:i.thcrcd indic~tcs flo~s av..:=.rasin3 ap?roxirnatcly 16 cfs vith
lln .:i.nnual ioad of 215,000 tons of total dissolved solids mizht bc
collected for dcsalin~tion trcatu~nt. Based on present dcs.:i.ltin~
t~c;\;..oloZY. :be o.lultistage fl.:lsh c.istillation process is the mose
tho;:oug:..ly prove;". method of treat ins; feed ~atcr ~ieh ehc dissolvcc.
solies co~c~"tr~tions of the s?rin~s flov::;. Based on ?rcs~nt data
about 90 ?c;:~e~t of the dissolved so~iGS could be r~~~v~J by ta:s
?:"oc.:::ss vl..1.ch ~"'u!.d ,iele a :-.:::~val of .,1.:'ou: 202,500 tons ..n:i.ually,
It n.:i.~ been e~t~~~tcd that re~vD.l of 200.000 ton~ of thi6 ~~lt lo~~
~~nuully could reduce. the s~linity ac Hoover D~ abouc 15 ~/l ~nd 17
~g/l ~t I~?crial D~.

"