WSP07419

• File Number: 8270.100
• Description: Colorado River Basin Water Quality/Salinity -- Misc Water Quality
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1973
• Author: USDOI
• Title: Quality of Water - Colorado River Basin - Progress Report No. 6 - January 1973
• Water Supply Pro - Doc Type: Report/Study

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1. ,'ll'Ctint-- ';Ori:e Reser'/eir

Salinity s!9.!':ples ha.ve been obtai!!eoj !I.pproxir:1B.:el:: :.....ice a ycn:r ir.
~hc 3prinf' ar.d :~all by the Bureau of Fecl:l.:natio!1 S':'nce .l.9tJ.., at two loca-
tior.s in the Flaminr :JoTt;e Reser'/oir. Ser::ples CiI"e ob~a:r.ei at 50-foot
Jepths fror.: the surface to t,he bot to:!'. 0:' the reser:o~r. T:!e::;e two sites
are at the mou.th of Hen..""}"::; .or;.; and about 1 r.Ue 'ibu....e t.he Jam. Para.'::-
eter~ analyzed are spe~i1~ic con:1uctance. :Hsso":'vcJ 5011.J3. P:1. '3.nd COmr:Jor:
lor.s. The r:eolo,.;ical SurveJ' a1:;0 obt.J),ira.d 'l r,u.~ber 01 :r.;,ali t:y samples at
,..eral sites i~~ flaminE' ;Jorl~e Reservoir :.rOl:l 1966-68 and 1970.T'. 'T'he
re"ults of the first st.u-iy are ,~i...er. ir~ water Supply Paper 009- in
,ress'. The material presented i..r. Part ! )1' this repar. is a P'lrt of
t.he :::ecor:J stu~'.

It ie hoped that the l.:Ior.itor:.p..g" 0:' the reeer':oir 'Jill '-urnish -iata
which ....ill sho.... t.he quality erfec~ 0 the reserv.oir to t,::e systCr.l as well
at provide possible inforP.latior. on the effects of upstream. pro,!ects to
the reter-voir.

Lake Po'..ell

A network of six :;a.~pling statior:,,-: .,,'as estnblishe:j in Lake Pow-ell in
1905 and samp1i~~ at these sites had continued on n q~~er~' baSis until
the ~all of 1971. In a1ditiol., s~~ples ~ere Laken at the ~outh of Wah~eap
Creek and below the ~len ~arvofi am on ~ mo~tr~. bgsis. ~~e purpose of
t~is rrograre ....3t to observe chemical changes i~ the reservoir with time.
In t:1e fall of 1971 the quarterly sar.:pline progra..-::. '''''as increftsed to a
monthly pr~--;rar.. to obtain su:~:'icient :h.ta for 3. :--..B.thematical model ....hlch
no-.. i::: the process of bein!;; developed on the ~olorado River syste::::;.
8, ,i-les the \O"ah.....eap site, t.he other tix sites ir: the reser'.roir are
J..) 'rossing of the Fathers; (2) ':)ax ~reek: n> r:ha ':ar:yon: t4) Escalante
River: '5) Bullfro€: a~d 6) Hite 3asin. ~e samples are taker. at )O-foot
intervals to the bot~oI:'l. of the In;..e 3Il.d e!lalyzed for dissolved solids,
com.':lOn ions, specific conductance. p:~. ',c::'!perature. !ir1 'iissolved Oxygen.

Ir. addition to the !:'lodel bein,;o ieveloped by ~!le Bureau of Recla:nB.tion,
other organizations have requeste.:1 t...-.e available basic data or, Lake Po....ell
to make special studies. For e~~rle. a research pr~~ec~ is now being
conducted ti:.led the ":..ake Po....ell Rer:enrc:. ?ro.~ec-:'." The organiza'tion
making the s~udy co~sists of ~~iversities and colleges and other partici-
~~a.nts and collaborates in assessi!"~b rnar,'~ a.:tivities 1:;. the Lake Po_ell
regiol':. "'!1e organi::ation seeks to establisr the :--.atural frs".':lework of the
re~ion, e.aluate rece~t.. chanies ~hat ~n ins "'Tought, ~d deter~ne no....
these changes in turn affected ::nr..

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