STATE OF CALIFORNIA

DEPARTMENT OF PUBLIC HEALTH

BUREAU OF SANITARY ENGINEERING

IN THE MATTER OF THE APPLICATION OF THE CITY OF LOS ANGELES FOR PERMIT TO CONTINUE TO FURNISH AND SUPPLY WATER FROM OWENS RIVER. Date of Application:

- - - - - -

ORDER GRANTING PERMIT

- - - - - -

Bureau of Sanitary Engineering By Ralph Hilscher, Southern Division Engineer

October 15, 1918

[Recreated from barely legible copy]

loa. f,. f., loouaa, Mqor, aa4 Mea\Jera ot .ae CU7 Coucn, Lot .heel••• Oa11fonta

lq ?tb., 1919

n.... 'be acl'Y1H4. \bat • ' \he recular

••• tin~ of the au.-. loa.l"4 ot JeaUb., held oa

' adopted. ao.PT of whloh ta taclett4 oun1 Ul,

panUac U» \he Cltt of Lot Aegelee & peraU \0

ooattuue te ~ lh .- applJ H 1 h cUheae

u.t o~hera,. tuollCh 1\e &flU4\\ct qetea. wattS"

troa O.nt l.ivft. 1 h trt.h....,.te• aall other

IOVItlh

,. o/IIG

u I ·•• ·••••• A.•tos-a•y•

w. a. te11o11, •·'·.

8ea:re\ar7•

Ia .. lallloll&D4, C»d.et lnllmt•l'•

Olll:m.AS, \he O..Utoraia S\flte Board of llealth U.s

u4e a lhoreU«h inveaUcatioa ot 11Ju axiatiaa work•, qatea,

plut, wa.ter 11lPP17 aa4 all o \hctr uterlal circuataneea Q4

cotuli Uoae · ot tlu O.eat l1 nr ••tar la.pplJ of tlie 01. ty ot loa

.Aa~tlet, County ot Loa A:actl••• ltah of O.Utont&, oouoal:r

$1alle4 the Loa A.gel., ActU.tk.ot, aa4 ·

Wll81AS, tn• ta14 la•••Uc&ticu~ tu State Joar4 of

.. a1th bat 4eterc1ne4 u4 4oee uw 4•'-raine a. a taot \Aa' t)le

w&\el' belq f'uat.W ila4 npplid. b7 aa14 OU:r of ~~ A.naelu

'N ih <d.U••• aDd. o.UI"a fht the O.ue lliYer, ih trilN.tarte••

aa4 other eovoea, \hrn.ca t&14. Loa Aagelee A.(uctu.o\ •r•••• ie ••• wholeaoat au. poaUe a4 ctoea not eU.acer the li'f••'

.• _. ha.l th of m.aa 'Mtap, au,

I'SDJAS, tbei llrector ef the 1\uea of la.nt. \Uf

la.ciseertac U.t hetewtort file« ri th eai4 lo&H. hlt noomaeu ...

u•a ta muac ,._, a perau be araa-.a •• talA GS.tr,

B 19 DSOLYD that &J,era1t ~ craate4 to aa14 Ctty

of l.oa Aacelea to C6a\lnue to i'ld'1.\i ib aD.4 *MP:P17 to Ua c1 thea

u.« otae, tbi"G~ 1 h .a14 aqu.et.uc• •:r•t•• •a.\er rna

0.•• lllvv, ita tri'\JG.tutea u4 o~er aoura ....

IAI

fi.\le pap ..... • ..... - .. • ~ ...... • • .. • ... 1 .,

1

lantWt-A•plllJb ot &a.;ply at lovu - - • - 5

lqt'""' A.apeoh ot Aquae\ l;r•'- -........ ?

J.tuhct Ireta• •• a Pa.l"'ltrtac ._., • - .... - t

iaai \aJ7 h•.-Uoaa - - - - .. - .. - ... - .. .. 11

kllol'atorr DeQiratu.Uoaa ... - - .. - ... - ~ - 13

W••• 1•..--l.- a.,cHl'ial .lenl\a ... - .. - l?

f,p:bo1A J.eoord 1D l.oe 4rlplea .... - - - .. • 18

lwuar7 aa4 leeolliJleAdaUoa - ... - - - - .. • - 18

',f-:

J.eport lo. 38

. to.

'IJ»SflOJ. Ol GIAITUiG A PIJKlf '1'0 -Clft Of LOS AIGII&S !0 IUPPLt WAS

:raar oma Ita.

lalpll au,Qher, So-. than »1 fl. uoa la&1•••r•

11* Octolter,, lt18 •

..............

&a a M.t 1 tor a report b7 tbta la.rea oa \h.e leal te.r1 quU. \7

ot O.•• &iver •••r &14 oa \be po.tal\111 tr .of tlla ''-'• had. ot lealta

.,.tiac \o tl:at 0117 of Lot .l.agelea a perai t ,. •••=• •JP1riac v.• •twr 1a1peeUoaa aa4. •••r eaaia&U•••• ciOftl'ial a ~rto4 ot a nar:t

••• bea oerrlet oa. A trip wa.e •*'• -., Qwg.a lli. Tar Yalley 1Jl S~t-ber

1117 at which itae iatptoUcrUllt were •a4• ot la1W1!1e reaervolr a4. of \b

rlT• at llll1Prou.a po1ate &.11 t~ 1n\~~· \o the heetwater. On tu .... vlp laS.raoat reae"o1r ••• "rla.l wt. OA aeTv.,. o ocatiofl.e in J'eoeat unt~a

iae}leotioaa ••• H.a u4e ot the San. lvaaau and. heakltn O.,Oa reeervoll'•·

ObahworQ n•enoir W&l 'fili\e4 OB .A.uca.et 26t 1918, a4 XlrJ' f&nJOA

rtni'Yol:r oa Aupd at. ti:rtl""'liJ: .. plea, oolleo\et fltoa Tarlcrila potata,

••• 'beea U&llline4 1a \lw ........ hl!or&toi'S..a ..

looa.Uon of the aain fea.turea of tbia ayttam. By reference to th.h map

and to the tollowtuc rough outline, a fairly comprehensive idea •~7 oe had

coaoerlling the ori&ln and mode of -deli very of th.h water,

1. Intake works on Owens ll1Yer,. about 200 miles north of Loa

Lake. !he dratnace area tri bo.tary to tb.e rivcu: at tbh point il eatimated

at a~~· all••• Jr far the greatett por\1oa otwater reaekla& th11

~tr._ flo•• dotta troa t~ eaaten tlopu of the &hrta leYa4a mountflin•

aa4 eatera ihe river o• ~· weat tide. Certain trtbutariee cather water

bOil large eprt.-ca., li&af of lM MU.nt&in peeka to the west l'!lppl;y water

ft'Gil meltinC aaow thr'o~\ the ••••r~ 'lhe eaaten c4e of the water-abed

aoasitta aaalt of &.rid and llarren hilh·

2. A liae ef o:pea aQ.1le4u.ot a.'bOu.t 61 iatlea in leagtb .. exten.dbg

troa ~- intake to the north ezul of laiwee r .. e:ne1r. !he nor\herly

pCtrUoa. coep:rhia& a.'bOII.t 86 allea:t in ulined di\oJL aa4 the reaainder ia

liaet with co~erete. !hit enUre tt:r•l~ ot acp,e4.uot it e:aoloeri b7 a

-.betutial 'bUW wire f• .. ce~ at . .-.• altO aU briqe arou1nc••

a. Wwee iteef'Wlr with a: leqtl\1. of a'bou\ "·25 aUea, a wa\er

IU'faae area of UI!Ll'l7 a. a tquare Ill lea at a mst.,. capact ty of

ap~o•taa~tlf 21 billion ca.llont. tbia reaeryoir ••• formed by lo1141ng

\wo claaa, oae at the north aa4 28 n. hi• to hip water leTel, and one

at the eou~ end 64 ft. MIL It cenahh nrtuall.y of a a~1nc of three

eloapttd. baeina coMeotetl 1>1 aarrow t\ral bo Ua u.tval wa•erahed h small . pd. wit an4. prutloallJ' r.U.atJ.•••• AlMa\ ao water eatere •he reeervol.r

-..pt tna the &CI,1ltad •• tlle north ot, aD4 water h W1 t.A4raa oaly a\

•• 1011\ll eat. the rates of iAn.ew aa4 n.\flew ue ltotla 1UIIer control,

.,.,uativel.J' uifo-ra I'Q4 too low \o llaTe 8.D.I' pural 4htvlt1q effeet on

Vw r•svvolro fb.e .U.pe of the reaer'fo s.r, the ..aur et new ad tM

'. ' I

al.oet ~tal. ab8eaoe ot watuahed l"'II.Utf give thh bath tlae 11a:tia'WD of

Y&lue aa • agent for purU)'iac the water by ttorac••

4o Abo'l.t 136 illilef of aquduot from the so'tltla end of Baiwee

r•••noir to leJ.raollt reiO'<tOir, $1 tuatei a\ the aorta eu of Loa Anple•

<!110\UlV• the firtt tiro aUu of thh conah•• of o:pea. oonerete-l1ned 41 tell.

flat reUinur eonahu of aoaerete-l1ad. aa4 coTe:rad &fl\leduct, c:macr•'• ..

ltaeA 1t.'l:allell ad. ·~••l pipe.

5. fail'IJOnt reaene1r wt~ a oa.pactty et awro:d.iaatell a b11Uoa.

IA).lona uul a cU tluce of 0.4 IIS.le frq ialet to outle\e ~\a ri:\ertbed

li 1111611 aad Uocftpie4. ..0. us beea h.D.oM M exfAU. elo •• ·-

'• lrf Ouycna reserYoir with a .P.o.ltr of •ao aUUon galloas

a4 a lite\aaoe of ct.? aile troa ialeil M o•tl••• ftalt rea•notr h a\

pre.-t '-lng tncect '• eulU.. doelr. '!.he waterlhd lt •all a4 ~oOiaPie.l

HO'\:P\ tor a tore at rpcer' a aalltn ael'!.l" the ._,_. ·et of tlw 'Q\erlhe4.

8. .A.bo'o.t 11.,5 allee ot OOftrM ....... ~,. t1&naeh· U4 e\eel pi,pea

tw• »ry Caa;roa reaertoir to \he Ou_... a.t tha aortil acl of.._ f•naado

Yall•T• qcl 1lllea a'IJout t.f mU•• of oP,U Ol»Aore,e..;.l~~Utl oaaal. to a..· IUUQclo reeervoir ••• a. Ike opea oaaat. lt tl.thtll" !et.ce4 wt. \b. barbed.

wire, as ue abo all 'brt"-. crotat.ap ..

9. laa l.r..ado ~••.rv.ol7 Jo. a baa a oap~\F of ?.i )tilioa

aaJ.loa• cl WAI Cll'ft'hit ~, a,ua Md.l\ 111 tlut· footbtlle at tAe Ul'tb. tA4

ot &aa ,......, Vall•r• tu wa1!erU..4 arM u l.i • ...,.. all••• oontttttnc

Wl81.7 Of I'Doll:rt UOOCIR1j)ie( 1\GlUI.Qlft 1101• Peaa.l\lJ OM tllti"d Of tluJ

•teeb&, la "iallet laacl oa ·wWoh at• ~U. •~ · ttiU J'd• lwu••• ad eu

,.'bU.o hi._,. "ao:Uea11r all. ot Ulli 'faller lad. 1a •••4 ltr \M cUt

-----------------------------

aacl 111 \he near fu tve n.oh ot 1t will 'be floo4e4. a. U 1 a p1&1Ule4 to

lN.114 ano•bel' deJa abon the pre.-t re .. no1r and t._s create Sea J'e~

:ae,amtr lo. l with • ca.pact.v of •'bo'Q.'t. 4.t 'bUlloa gall.oaa. (

10. taeel pipe Una aeroaa IAa fera.aado valb7 u4 ocu'lorete

tluulel .. n&h ~. i~P~U. WoJU.oa JDOU.1ia1na, a totai dla'-ce of alto\l.t. 12.B

alba troa~ &u rernaado Rese~of.r Jlo. 2 tiO Upper Fra,altlia Oanroa l\eaenoir.

11. tipper J'raakl1n .ReaerYOir w:l th a capaci \7 of 42 ll11Uoa ce.lloae

aU. a lu.ata of O • .a& 111le fro. inlet to t!)U.Uet. Lowu J'reaklia l"eeervolr

ia a taUe tartbe.r doa .ae aaQJOA W1 th a lnclb. of o.&a alb •D4 a oapaoi''

ef 310 aUlion pllons. '•'•r f'roa tM upper reeenct.r t a oarl"ted 4en t.G

\M 1••r .-e.-voir 1Jl a swel pipe liu, which ooatl8Ua oa \Jt.e boitta of

Ule 1•••• naeJ"fflr .aeult to tu 4u& .. , \be lower aDd wl tll· a DUillter ot

ou.Ueh for adllta.toa of •••r 4IQ lh!a lower reeervou. !bit inlet

~-• a• $he lo••r reeenolr waa pi'OY:ldn to keep tbt •'-' 1a mou.a.

rea.• alcM •o•~• aDd preY$D.\ .-...uoa wbt.oh woucl teacl \o retuoe

tie~ha oqpa 111 the water. 1rl!l2'lkl1a Cu,Da MA:t adJ.olalng hlllaU.et al"8

bea'fll¥ wooa.G.. A paltllc roa4 lea4e up \le caJQOa to beroatl the u.pp:er

re•eJ'"t'Olr. 'l'hazoe are M ra.noh •••• 1a the GBft,J'Oa al!ove \ll\e lower r••••o1r.

one ot whlab 11 abo•• the -.pper reaerYot.ao. Oa Qe a. of -.oh re .. rvoir

te a GU'e11uer '• •••·

12. liD a A\acelea ciiJ' propel' 11 l'lq>pll t4 tr1 th Owaa 11 ver water

froa l.oweJ' J'ruk:U.n reHJ'Yotr. !he Su J'•aaao.o Yal.181 h ellpplle4 wl tlt.

lr.tl .. tl~a aA4 ioaeetto wa~er \bro~ a pipe 4l•tr1~tloa t7at ... PAr'lr

flu ha lerD&&l4o :reaen'olr ·~· 2 .aA4 puUr troa Claalawr\A r••••os.r.

lba la\\ef', atu&Wd. at Ue "''eat ot tu TaUe,., h lllpplie4 ..,_._a

)lpe Uaa fna Ute · ...,. •• , .,_,, al»tYe ... lale\ te laa ·Jwua40 _, •• _..,,.,

GM.•Iftrth retenoir 1a aew oalt parU&llt .-pteM4. It 11 lteiac .,. .. ,.._

'bJ ....... uea ot f01U" Aaa1 aa4 will noof. aJift,$ MO._.,. 1'' ..,...,,

-o-

w:Ul be about 8 billion caJ.lone. fb.e wawrahe4 eonuhts ot l'o~, barren

aouaia1n aidet and a Te1'7 IIR&ll area of valley lQd, !his valley land 11

praotiallr all owned b7 the city.

IAJl!jJY AftiOU ,QI llffLI d SQIJIQI•

lt is the oanaeilaa of op1aloa aeil.c tui tariaus that huaaa watar­

bo.._e &hee.eea han their ort.pn on)i 1n baaaa be1DC•• In other wordl• the

lower: Ulliala are no\ lllieepU ble to the •• water ... bol'l'le dlaaatu 'tueh,

for taetaaoe. aa fJPhoid lever, Dyae•t•n"• ud Aeiatlc Ohobra. the inte-atiaal

diaobupa ot pereon• a(tU.ctell w1 th wat ...... boJ'ae 4heatea confle.in \.1\e carat

ef ~it11' ).)arU51ar 4heaaee and the 17fletllc pro\eeUoa of a wa.ter n.pply

lavolv•• aol.el.T the prevea~loa ot aoe••• to the water of huaa f«~oal~~~atter,

hom aa aettlhe\1c a\and.pe1nt 1t 18, ot couree. aho desirable to exclude

_HaUb. eta.D.t-pol&\ la it ••~•II&J'Y• ftlla 11 ~· praetioal conolualon suppor\od

bT tta. ht ator:v of all d1aeaee taasea lmowa to han re•utte4 from water 1afect;,toa.

!h.es-r-. 11. a UJUler, n.p)lQrta the :propoa1Uo• *' o:&r,.s.a cll.ata.••• tntoa.l of

lewu aaiaal• .., 'be '\ra11sa1Ue4 to hua.na tlu'o"Q8A the aatt.u of a water apply •

.&. COIIMOJ1 case 1a pOiat ia Aa\!U'u• a Mteaee aea\ coaonlJ fou4. in •ttl~.

~t. 10 tar •• kn&wa,. tJlere hat aenr beea a linch well-au.tbeat1ca-ecl oaet

•t wa'M.,..borae h:WaaD an.thrax. !hla :point 18 JJut.de here for the reaaon tW..t

... r~ata peraoat op._ .. , \o \h6 l.oa Att.gel" &qu.e4u.c' Pl"OJeo~ U.•e coo.teU.ed th,at

the aetltb. of \he •attr aaera wat enciaftpr-84. •1 an\lu'ax-1nfejte4 caUle 111

heat '•ller.. a.._ \ho'llP utbJ'ax be a6aU\ecl to be a water-bonte dhea... the

taae t11.fl;a.tl1041 of la; 1-.,r ... u:reaenolrlt •h.toll pro-•ch the Water UIIIZI

llalatt -•u'b-le ,_ .. ooa ... la&Uoa la O.U.a l•U•T• 'lfftl.4. proMo' \h• alao .. ..Uilat •$\1e ton U.iaa\1oa.

tb wa.tti•Pd of hae lll "~~' a boTe 'u t•••• wl til M area ot a'bout

I'HiO •caar• aU••• U.t reau.t-. oa n apPJ"o&S...\elr 4000 lJ"ple, • a'terace of

l I J

lese than 1.6 per sq. mile, which it t~r less than the r.opalation deasit;r on

.~ drainage areas of 8\U"faet~ water suppli.et ot reeon.gnized good qu.alU;r .•

O, Cl. lfJde had, for instance, COilpllted the averase population on 77 lattaelmeeth

•ate:rtb.ecb a a 132 per aq .. mile. !here are no unuaul or parU.cularl;r difficult

-proble•• of watershe4 su.ita.tion 1a Owens V,lley aad trtbatary mountain &idea.

fhe enor•it.r ot ~oh problema ie praetlaally proportioaal to the denaitT of

populatha ,..,, 1f on sore thickl;:r aettled ••tet-eheds the polluUon oaa be

p.Uefac•ril;r Cell,rollecl, aa 1a done 1a M117 cues, tbe aafe(I(UU'dtnc of Los

.b.plea a&a1Jtet, 4uprt of con\aillina.Uoa on "'- hena itvar •aterehed h

enU:ralT teuible b7 the exetoiae of watatube•s and the proper uae of l'W"l:f'yiaC

..-ate aow provi4td.

!be pop11laUoa •wn the Onat lli't"ar :lntalat ia gouped., :la a &eaeral

"""' in ~ee diatrlote. nqelr: lie Pt.ae, Ji1hop aad lloud Valley, llg Piae.

wita a popa;lat1oa of a'bou.\ 300 and the oe•w of a •all agrtcmltural dhtrict.

h 11tu.ate4 abn.• 26 •Uee llP atreaua froa the int~:a. litbop, tae ee.l7

lnoorpo1'ah4 oUT .1a the ea\tre Owat liver cou.ntl'7t b&t about 1500 peopll:l and

h the oeater of an.otber agriC\11\uJ'al dhwtet. It h about :56 miles a.'bove the

la\aa.. ~4 Valley, al>out 4:& alee from t.he intake. h 11. ttle aore than a

apare$17 eettlad far.ing eeot1oa Aevotad prtncipall7 \0 etodk ra1einc. ~tatde

.I ..

~ of theta \b.ree dht.rioh the oouavy drained 'b7 O.eae Ainr aonlieh alao.t

~ ent1rel7 of d.eaert, 1101tDtalll. ead f'or .. tecl area•-'

1 !he city of Jiehop hae a aewerage ayUam which 11 u.eed 'by about

\wo--tb.1rh of \he pepu.latlon. fu eewage h :ua.see4 \brouga a septl c tank eat

l• Utpo,.d of., tvtnc tblt il"eatJtr part of tbe Te&r, by 1rrlp.Uoa of 80 a.eree

•I cUr-ont4 laa4., •• alto pr1Ta\el,...wne4 laa4 neAI'b7· At tlHI a porUoa

tt tbl ttnrap effillft' eae&p&l towar4 t.. IOUUlead W a aloqh alone whiG

ll UN" pa••• reaebtacel~u heat as.vet' or lie Pla.e Ceal. lf u tatere

. Ill •t.u Gaaal,. •• 11 ..... u., •u •••• 1\ eYeaiUAll.J' 4.11ap,.ear• n\lHlY

_, Mepap aa4 uea no\ rea ell the rt. ver"

•hi4e troa tho ee u.e:lq t~e Jtlbop aewere, the people oa Owe a liver

wa,•erehe4 are a.penclen- elliOtt a\ireq apon prll'iet for toile\ convmd.eacet.

Ot tll.e•e pr1 viet, ea ttu\ecl \0 .'be abou. • 760 in a. 'bar a.bove the ill take, i \ 1 e

w4 iba.t ~n•pecUon a fn yeara aco ahowe4. W.\ oae lihdlu'Clnc ih oon\e'l\1

ill._ aay atreu aad \hal a\ leat\ 9ti per oeail ef ~ ftt'e at .ubetalltllal

Uataette troa wateroourat~. Jlvea tlete 'WI.nl\l.al.ly coo4 00nd.i tiona have baa

t•pro-ve4 UllOa throu,ah effo:rte ot Lot .Aacelet pu.bl1o-eentee and lleal\h

8.\lthol'ltt.ea.

fhile 1 t oatuao\ be sail \hat 0'HD.I li'fer 11 eaUrel:r hee fro• lluan

eonhalna1114lta• 1\ appear• \hat the ooa\aatna.ttoa 11 elill\t. lfbet'e h 11 t\1•

r••..a to \e11e"Ye \bat \be ~n\aaiaa\toa will taor•••• wi\h \1••• as l&n1\ar.r

r...U.al. mea.n.ret utlou'bte41y oaa liMp paoe wUh the relath·ely •low d.nelo,.ea\

ot lM Oweat lbv t,.u.,.. IMIIMll MPiaJ'I Ql AQlJIWOI SIUM 1

........ , .,.. ...... heretef'ore outliaet, 1acluua abollt 340 railee

of ooacb.i \ af. tt'fft tJapou.U.ac l"8MI"ft1 r •• the &reater pw't of the ao:a4'QJ. \

oeaalda of' ~CL·irete•l1:rae4 ta4 toYer•4 cU. tob or tl ... coacl'ete-U.ned.

ta.Uelt •4 dee1 p1pe. A.bo•* iJ mlltt it opea cU.,oh, pa:rtlr U.ae4 and partlJ

alt-..... the opea 4t t-oll 11 all UcJlUy tenoe4 1r1 Ul ba:rlted wire aat -.11 'bl'U . .­

ero••1ac• •• t1atlult 1aol.oaed. the water al)peua to lt• aD1pl7 protec•••

._ •• , ooaiaai~~at!oa t.loq the lin• of tho•• oon.dut '•• the eaUr• lea&tlil

tt pa\nlled t'f&r7 &..,- bJ' cUT emplore••• e&cb pa~elaan ha"'illC a leacU. of

U.t 11 al.ea to iaspet.

tu aUI'.Wt ot lu '1ar1oue reaeno1r1 appeal' to pr-uent verr

11\\le \b&\ 11 o'bJaoUa.ald• froa a 1Uitat"7 etad.JJ011.*• tuee ••••relle4a are

all. taall a4 are aoa)'&l"aUft17 eaer ~ oo•t.rol, ,..,ueal.arll' IN••• Jatnnt

. aal Jkot' Oaaro•• wblol:l •• •• far re•ved ft-oa oe.aw• of ,_palats.oa ae k ua

'fll1 .. ""··

At Bat••• a carwtaker h etationed at each en4. of the la.klto It 1a

planned t"(entually to fenoa the le.bl to keep out atoelt. So far aa hwaaa

emntaaainatton :lt concerned. t.h• da.~pT 11 necliCible.

lail'111ont reaenotr U.s leea fenee4 aad a car•taker it stationed

Di-7 QaJOD, reaeJ''fOir 1a ·now belnc fenced., !he waterehe4 ia acceutl:Jle

only over a etv-owud roa4. !be only 4well1a,c oft u 1a tliat of a forest r.,.r.

A c~et~er livea at \he aa..

to laJ''W.do leaervot:r to. 2 cl:raina abo\J.t liS aq. ailet of d.Joiaia&

· Ml'rttory aa4 tbe o1t7 •aplott two ••• to :patrol thh at'ea. O.ae apenb hie

-1•• prlno1pall.f arov.nd. the bwn end of the lake., whi.le the other patrola

a area ot perbapa thl"'ee or foUl' •fl'UU'• atlee ot Vi b'l.tary valley land aroua4 '

.- ...,.r ead. the ar-eater put of the waterehe4 oonateh ot \UlCHt&pte4

.. .uta.t.na to the noS'tli. the valley 1&114 1• neer]T all owae4 )7 the cit~' aad.

Will .., •• -.u, " floo4..S. bf •• rerau4o JeterY01r ••• 1. In the •••tt.•• '' 11 \Wttq leata4 for ta.n1n& pvpotea and oa 1\ are tbrte or f:our hou.e•••

... prtlllit .. 4c> not appear to be aouroet of likely ducer to the water 1a tbe

·· re .. notr,. flie patroaea shol1,14 be able to prevent eft•cW.all7 all daR&"er<>'IU

coat•t.uttoa. A\ tb11 re•ervotr. however, wae observed tihe onl7 aer1Gutl7

~b.-c\loll•l)le eoa41Uoll ••en at anr JJf the ;reaervotra. thtaia the practice

o'l Pt~1 tUnc aUMrou• people to fhh tr011 the knte around the u.pper ea4 ..

l•ae of t.Aete people _... ta1d to w•A• QU' into the •a-ter ~nd ctoub\leae do wta.n

••' puen.ted.. lfreapa1a b7 the pnbli e on lu.da 1mmed1a.ta17 aurrouiU.nc aay

of \he JeterYOtre shou.14 be pr~bt b1 tel &I t-.r at pouible ..

fhe W&\t1'ehe4 of l~.u111l Ou:ron reaeno1r 11 aocead'bl.e al:OJal a

~1 c nat p&a•1a& 'Q.p tae Qa870a alone ou tide C)f ea.oh :r .. ervot;r.,. tid. e road

· at'lll•••• &\ the upper eal of tht OUJOn• 11 ••• r••r.-. h a.laoet enUrelr

"'"ltl• ~ ''' 4• a~ul a\ ·~• daa 1a built th• Willtac ot1• ••ua:r

'llP'Pil" t•a•r.o1r &Qou.~ l/4 ratle and oae abo'll\ the same 41ataace above -.

lo"r, re.-nolr. the" prerdeea appeu to be •ell kept ad are 110 a1 tua.tecl.

•• w preaeat lUU•• 11 ..,., 4aapr to the ••••r -.p-p)¥. , • .,. h per)u&pa I

a ••1l Bllftl;l ol ploatcldnc ia the caqoa, lnlt aoot :plcmtc ape\s are :nel

eaan7 f.~., tte UY .... ot the .. ,.. h .. ,. uno• aa4. hea•t1y goa • ., ... Yl- wu•, '-Z:teP\ w.b.U• cleare4 aa4 Cl'a.d4t4 for \he roadway,. : ' ' . . ~ ' . .

--~nor\ll :retervetr, Ylle& oompl.e\ed; wt.ll noo4. uarly \he enUre

•••.P.e4 •• ..,, 1Jl'loi:p1\ou.a ro*J b.llb to \he wett.. Al'ouad the upper eat,

-~~- tU ret•rvoh· a4 the billa,. will be a eoneldetaltle acreage ot Ti'/7

aUtt.oU· .. valley laad 1ron onr wUh ;l.he ... Oaket wl'lere l})eclal J*'IORticna.a

will PJ'OM,l7 lae aeeti&&Z"f \o pru·ent plcniekil\1 but thls, e.a well at all

otlt.er a•u'br l&U arroudlnc tu reaerYo:lr, it o•-..a. by the el\7 aa4 trupaet

OM, lte t,ffec\u.allt praYelli•d 'b7 proper :Pt-trol. two 4ttel11DCa are W.t.l t •• \la.e

Yt.\e,rtlle41 lloia oa ott~necl 1aa4; one of _. ... Pat bt r*"•'• aa the

1•4 on w:tt.tell. U -atan4a will be tloo4e4. \he o\her 11 'back -proba'blr 1/4 aile

ft"oa the laa *• tt ao' cteaolhht4, oq, 'be aa1JL\a1ne4 1a a aatmer D nnea\

Oa the 1raole ~ eto:ract aa4 OIJll'fiJ'UM ot water it'oa Oweas .Btver u

tbe Ol)a.,....• U.. Loa ~lea h attacled wltb extreaelr UUle 4:aacer of

••l•cltoa.\le eoataat.naUoa. the lapor,aat thine la operatioa tl"a a sanitary

••'POt.at i.l to aaiaWa Y1cl.l• t patrol arout' \he Yl'll'10\\e reserYoirt.- to

-.., oleaa \he fn 4well.lac •"• 011. \he watuah•4•• aA4 to prevent uateaU•a'ble

tl'•••et:ac. ttalaiac, boa\tac. ,bat~Ua:c, eto. '

N 'Wil!!QI 111• 41 6 IIIIUDI 4pq. 1M •tnet.aer of • ,.,.._. r ••trno1r u a wa\er .,_1t1., clepe'Me

.... , ..... ._ U• ._, &ltJ' pol'\S.oa of \he wa.kr •...s.aa t.a \ItA\ reeenot.r.

• •caat•• of -.w ... wru ih•••••• .,... Jla.od la the uta.vora'bl.e

envirouent of a reeervoir, where th.e7 n.re exposed to the influence of

sedimentation. sunlight, uaaccuatomed temperatures, oaiDOth and un.Ua)le

food 'R.:r)pir, rarel7 ·IIJIU'Vhe for 1110re than two weeka and can, w1 th praoti .. l . .

oert&intr. be del>••«•A upoa to die out with.U. a IIOftth. lt a teaerv~il" caa

lie depeM.ed upon to retain 8VCill'1 portion of a stream of water for a. pt,rto4 of

a.t leaat thirty days, 1\ a&7 be oonaervativelt elaaeed aaong the moet

ef:fi oUnt of purifiers,,

!be 11x Teaervoirt of the aqueduct system located in J.oe Aaget.e

Ooutr (not inolu.cUnc Haiwee) IIAT be depended upon to a 111111 ted ex teat ae

reaovera of obJectiouble lla.oteria. ioae ot theee reaervoirt are too Ul&ll

coapated to the ra.tea of inflow ant outflow, au 11\ othere the taleh are too

ae.r the o~tlete, to eliminate poaa1ble abort aDrreAte aad to ineure lon1

a\ora&ft for all the water. However, thelr benefioial effect it lJ7 no aeaa

aegl1&1 ble. Water aupplia4 to Lo• A-ncel .. city proper auu. 1a add1 Uoa to

laiwM 1'8MI'V011'a pau ,tl'.lr~ Jainuutt, Dry Can70D.t. ltaa ,-erl'UU14o ad lrall:lin

~ :reaerntra, wb1cll ha'9a a ooabined cspacitt of. ner 10 billion callone,

Ap~Ull&telt 3? ti&ea the IIUlxillUIIl dailJ now thJ'OU«b the B7d•·ii 'fhla

.,PU-ent :rete11t1on of 3'7 clqe is not fully realised, du to the alton meuttoed

c=oa41 tioae aa well ae \he tact \ha" the reservoir• at tiaet are oaly parttall)t

fllll. but it probablr h reaaonabh ·to atii'WI• that they afford afl hast M

l~Uka reteatlea. ht14••• ae alrea4y u:platued~ the oppo.rtunit181 for

_.,.batlon &loa& the aqueduct and reservotra 1a praotioally ••llicible aad

put:ti:catioa facilU1ea tor sueh oontaadnat1o11 are aot a vi tal aeceeeuy.

lai.wee reeerveir 11 \he un1 t in. •htch greateet dependence h placed

for remo'1'al of aft7 obJecUou.ble -.oteda \bat lll&l' en\u Owen.t :Rtv., and 1 ll

"'laMI'iee, aa4·thla l&aia ie reu.rka'bly ••11 forll84 u.a. titwa.ied for the

JIU'PO"• l \ waa oreate4 ~7 bu1l41ng a a. at eae enA of a ,orp, \bla.1

u.Jd.DC a lake oYer ...... aUea loac 1Ji tll aa a.verace wt4\h of about half a. •. ue.

... u-

It contistt act'li.Ally of three elongated basins connected b7 narrow straits.

the 1114llt1111U1l dep\h h about 64 feet and the anrage depth ie estimated as

30 :ttet. tbe bankt are ge;terally steep and rock)' and areaa of ahallo-. water

ue IIJl.alla fbe aqueduct froa Owena faller empUea h,to thle reuervoir at one

._, a11,d all water drawn ott h taken fro• the oppoaU,e e.rul,. ·:.!he IJII;&lll-4

area ttlbutary to lhe reservoir is practically ra.Utl.eea an4 U;, be OPD.ddered.

~!itt en.ttrtlt1rtthout a1CJdf1•c•, eo far at dhturb,aaoe or d~cero"Q.&

·~ataas.na.Uo• of the reterYG1r h concerned.. la. a .k•b su.Qh aa thi•• 1t''b.tclil ,' ~- .

': ". fllaPH .. pre or leu at a deep ebnnel a.bo'U ~1.tteen U••• ae loq as l h ·

••rece width U~ whioh ~ tlc:'w h entire:J.T ,from oJUt end. to \h.e other, &ad. 1a

wlt.tcah the intlow aad outflow •• a'hsolu-•lT wutn aoliltrol, t•• h .11 U1e

let'\ to be dedretl. t~sofar .... 1U'1if01't11 t7 of a tar:.,. h oon~~·d· a h.

~btl\11 :Lf .u:r other larce reserTo1T exist& ia which tJ.\e. ideal condi t1~aa for

water pu'iti oe.tioa b7 a tor• are ao 1'U!1arl7 approacne4 •

. ,.. Q~:p&oi t7 of Be.iwee reaervo1r, whea f'tl.ll* i a approximtlt•lT 31 . . I

h$.1lloa ceJ.lone. later oanno~ pe.u through it a\ a higher rate th.:ft the

aut!IIU Olilip&oi ,,. of tb.• outlet .. which h 2?2 atll10ll callone per claJr.

lf it h anume4 that. the reservoir m.&.y \le onl7 halt fu.ll whea thh muiiRIIl

~aft oocura. the reservoir will provide 38 days atorac$. As a aatter of fact,

U rill 'ba manT 78&rl "tlefore the autawa oapa.ot ty of ~b.e SY"stea will be evea

a)9J'Oaehed end •b• eiorace perhcl conseqU-ently for a lone tiae wtll be noh

geater tlaaa abo'fe indt.oe.ted. llaborats studies, extend:in& over a loac

o:r1•t of ,..,.., ha't'e dtpnatJ>ated that the td.n.1ll'W8 now 1!1. Oweae liver aa4

. trUM,al'Ua. tocether wUb. 81"oua4 'ln~te:r which caa .rul ie to be developed

tn heat V6 Uq, will be fUiple to •&tnta.u. latwee ruer'f01r at least halt

1\111 ......,r .all eoadl uoas ot eoaeqpt1oa.

he •ala,naaoe of ...,.a, or patrfliiQ at all of tht reeer-tot.rt

u.t aloac the ,.utoue oondu.i h to enforea pro-per eaai tatt.on. u well ae to

-u-

locate and re~rt an;r other undesirable conditione, bad alrea4;r been

mentioned. The reservoir patrolmen are on dat1 at all times. The entire

le~tb. <>f the aqueduct h 11'lspeet~d everyday by a aqber Gf mea, each of wboa

bas a le~cth of a.bout twelve m11ee to oonr.

Sanitary control is placed mainly VAder the euperTietoa of the

uparuan••• ba~\eriol.oglet, Dr. O..rl IUson. wbo U. pereoa vlai ta the

:userYOire iJl the iauaediate 'ficial ty of Loa Aacelee \YO or ~ .. U,..et a week,

8e takea a trip to Owens ff!'.lle7 a:ad JIAtwee r .. _.'f01r oa a ••race of oaoe a

aoatll. Dr. 11leon hat been depa.t1sed bY tb,e ·l~te 11oiiiJ'4 at laal\h.

»very 4.,artment taplqee, wbo in &a7 war emea ta oontao' wt th th•

••••:r., h re4,Uire4 io meet cel'h.lA health reqail"eeat•• llet•r• eu.cla ll ean.

1• •D.Ca&ed a. careful. inquS.rr 18 made in to hh palt to hteh1ae whether he baa

ever bad lnhoU. w, if U appeare aATieablt. a blood , .. tl h aue., llr thla

••au the •Jlo)'met of typh~:U. oaJ."riere h aYoU.e4. fhie ie a •muual

pre-. t-ioa, lnlt uq\H•UoMlillt a good Gille.~~ Ytew of the aeoeaai ty of eaplortac

eo ..-.r pernae to operate thh nry eztentin qat••

$1D.oe 1914 \htt d.eJ)U\Ieent baa •a:Lntatne4 a well•e.U-,.4 wa\eJ'

laltoratory of whlch Dr. 1fthon has oba.rp-. De\el'!llitlatioaa of llacteria. ad

algae 1a the supp~ aTe recu.larly made. Bacterial a81nplee are oollecte4

· at franklin reee:noir three U!Me a week and at Sa.n '•rnando twtce a week.

fap samples at the la'borato:ry, oonehtlng of a 11.ixtw'e of aqueduct and Loa

.._ln river ge.ller;r water, are exa.rdned flatly.

A careful e tu4y of al.cae growth a ~n the reeervo:tre it uder fla7 at

all timea g,n4 veauent w1 th :col)per eulp.M.te it applied wneaner neceet&r7•

lea fe!"Datl- 1 htnor'h ea. Jrauua Gaa1oa reaer-.o1ra are the only onea wb.1oa

u haa beaa coneU.•red neoe esa.rr to o h-eat. !he \auaa r•oe:ln froa oae to

*" caeral ve.a••nh each aeasoa, the tee•· ra.nciac tr• al)o'Q.t one • OAt

aD4 a ul.t JU'h ,_ allU.oa, ·baaed. o.a the TOlae of uw J"epreuatet ._,

the muiiDUID depth at whi oh objectionable orga.ni sma are :fc)imd. The sUe of

dote 4~;pende W.l~Q.n the kind and n'lll1bQr of oqa.nhllla to be destroyed,. ln

ad4:t. tfoa to general tl:reatmen\8 oacaaional partial or urpnal \J-aatments ate

appl iecl, Tbe cascade at the aor th end. o t &.aa Jeraaado val let, where the water

pl'Q.Itt d,on a 110\Pltain side ·1n open aqueduct, p:rb!luoea ver-r _\hc:jrouili

aeratiOn. wbi eh h oonsidered. highly effeotive 1~ removln& ta.taa or odora due

to any ,row the of algae in the reservoir• above. Ooouionally. 1 t 1 a naceuar;r

to injroi'lilce copper sulphate ., the top of the cascade ~0 k•ep d01fl). oertatn

gowt•• in the channel belofi. ~his praotioall7 &.aiQ"!lO..ta alae t_o treatm.en.t of

Su ler:sndo reservoir, ~~ water at the cascade ~eache.a tbia reservoir wlthtn

n\llll.ber of vari,ou• orp.nisms as a guide for future oopper trea\ment. a. ba1

fb,~4 tor: the pre•ent an arbitrar7 limit of 200 d1atollla per o ... c. !he -plea

le to pl.aee the Ullti. t low at f~ r a\ and then &raduall;y iaoreaait i l; 1 t po all"ile.

thl,e t&le&reh W'Orll:: ahould. 1-n tiilXIe be of creat vaJ.\1.8 to t:M 4epartaeat,. but ...

l"~tliAble data can be obtta.ined. onl7 by repeated. \rial on \he l"&servoix-t \ba­

a.;~'f'Gll \he decired info~ tion will pro bablf be acqu.1red onl1 a.f1ier• several

y.e&f"t ts o haet-va ti oa.

Du.r1ftl t)le paa\ year .-plea have beera. collected. at inter'fall ·n-oa

· var:luu.; polnh and exaained in· the laboratorin Qf t.hit J!u'ea\M Tae

.,.PUnt potnb wer$ as follL'hrtJ

lnle~ to »rr O..ro• ueaervoir - - ~ - - ~ - - ., OllUe i frn .,., CaiQ'ft - .. • - - - .. - .. ... ... .. Ialet to Baa ltrD&n4D reservoir - • • - .. - .... -lea fu-aaa naeno1r •• 4u .. - - .......... -Jnlt\ to VJPfi' r~1n reaerYo$.r .. • .. - .. - ... Ll.-r lteattta rei«FY•lr at a.. • - - - - ~ • •

l. aaaple l •• 3 II

a • '

II

6 • tap. il? I'" h. Aill4fe1Ut 11Ace. Loa .b.gelee. ... -----18 tt

Jwaber II

" It

-14-

showing no lo Coli ia 20 c. c. ... ... ... .. .. ....... • 16 * 1. Coli onl7 iD 20 e.c. - ~ - - - • - - ~ It It 1 iJ tt 10 C•O• - - - .. - .,. - .. f 11

" " ta leta ~ 10 c.c, - - - • - 10 total ... - - - ~ - - .. -;;-

Ot ...a tuple two por\iont aa.ch of 10 c.o., 1.0 c.c. aad o.l c.e. ore

e.xU1nt4 ftr I. Cou. ••• e.U:iq a total of 74 eDmtuttont for each •he4.

Of 'he 10 o.a. portion• - - - - - .. - - - ... • ft 1.0 c.c. • ~ - - - - - - -• • o.1 c.c. • - - - - - - - - - -

''· 0.1' 00 , 13, or 1?.6-5, Ot' 6. 'PJ

0oa•i4erinc all of the sa-plea aa a sincle ccuapo11 te aa4 oo•PLUDC the :n.'Uber

ot .1, 0.11 b7 tu theory of pro oa.bili tin :troa loCra4F' • \altha, a ren.U

of t :a. Colt p~ 100 e.c. 1e ax"l"i.vt4 at.

fne to '•1 nWilber of bacterial grown on agar aTerap4 4to pel:' o. c.

fO:t tlt.e ;57 tuplet, f.be PXiiRII W&l 6000 aDd the a1D118Ul 6. Over three

t~\~ of the aaaplet bad leee thaa 300 bactel"ial per c.e.

llle real h of aaal1NI troa all aaaplinc potate were eiaila.r t or

at bast there waa not sutfiaient differenQe to tndioate an7 cbancea in

q_ualUy of water attributa"le to pat\ioalu iaflu.ence•• !be 'reeulta 4o ao\

l.nd.icate eetiou.e conte~aina\loJh fur• it probably· ·ure or le .. aoceu te the

•a":r alous the aquduc' by wUd aniaala and a l1 "le lty 4omeeUc u.!a&l••

whicl:lie att of b781en1o t:l~J!-1f1oance. 'fhe few findinp of ).., OoU 1a \:U

taap'lee may at reacl:l.l7 be aUributed ~o these aa to lmm.aa coa.UilinaUon,. flle

•ov.- ot gsoeatett pouible hllll!'A etntaa1nat:lon aloq the aqa.etv.ct h prok:tl7

tl4 ,.wr Up&rtaeat -.plone• who. ae aute4, •• a.coepte4 oaly alwr an

*-••t baa ltHa pt. tate ta pouil:tiU.ty ot tbeil' 'kill& atueee of ialeot.iu

ad .,._,. ooa-ft4eret 4.efteei'RI aT• 'beea eU.lltlaah4.

Ike ~ou.tt.ae prooaare followed 111 the l.alMratort tt -. ol., •••

4ftl,lal"tll.er.tt inoludee platia.g on agar to deter1111ne tetal bacterial and the

uteraba.Uoa of :a. Col:l bf the teohniq'llte prescribed by ~he atandarcl methode

:po't\lona of eaob suple are inc:nlbatad.. OeurallJ' abo'llt atx IMPle• of aq'llted•ct

wa-.r troa ,rqklin, San Jeraanclo aa4 Olla.taworth reeerniu are examined ee.ch

't;een a0&11t 90, Immediately following copper EU.lpbaW veatlae1lt he tla4e ~

••••ttal ooute ru.n very htgll, due, ao 4o ·''• to the 4eea1i!lf e:t ai.croorcant•• ' 1

kUleA by the trea\ment~ 1e reports that :s. Coli cletermuattoaa tbAlw on an

......... a'iout One positive tuDe O\l.t Of fbe4. h.oJa f81\llt8 ... tDell\l WOUld

1l'l4.lute a aa\hfactory water, at th•7 woW.i co•• •Hhla tile Ua.U.•6 Staht

l't·nd,J!f' ttud&l"d 'lfbtch 11 etnuallr ecnutd.el"etl :rather ••••"••

lbUe it bae alwatl beea a.r,ud tb.at laiwee reaenob waa a .,. • .,..,

•fflohat 1rater J!ftll"ifie:t due · t.o the lOllC ant uifol'll atorap that 1\ aftord.t:t '

.,. ••tu.l ~aoterial etud)r ha4 ever teea aade to proYe thh con.teatton uttl

tke Jl'8tent aon th.

:r•,ett ta h.lll

fhie at'tldy wa.t aa4e lly Dr. IUsoa aa4 followiag h hh

wuu ... llulull.ad, o. 1., Gaief .._. .. r. l'lllata1~ of:>·~blio &ernoe. k• ,...1••• 0611 toJ"ala. . :>"'

.., .

•october 17th, 1918.

la a.oeorclaaoe 1f1 tll \M :requat af ... S\atla lo&J'4 of. lealth, aat a4er approY•l ot ,ev .. lf, tae wrt.te.r uder\OOk a apeclal 'oaotiitrlolocl•l t\1&4r et Balw•• I'Ua .. 1'01r. ,._.. o'bJeot 'beiac 'o 4Moadra"·• lf po .. J.bl.e, t-• MW.l •lfloaU•a pHeeuet wQlCJb, take :tl•oe ia nttl'• ·~••4 ture. • ttet.t 1&1MtJ'awr7 ••• .. , ., a.t au ...... tu to'-·' ••••• to tu ~·•rTOllt -.. ebavlf!i t~~UHeal fo'l' * o,.ratioa of tu u.cu-.rt Oft.U, be obU..t..a.4., ...,.., ••• 'Mft .--. at tt•• 4S.fterea* ete.Ueaa ta \he like ea each of f11'e

, •••ta\tTI Unt fr• feteltel' 1\b \o 12 .. "" 111G11ldYa, Wltlt. J'anl\t aa .._ ea tba eJUe\ ••taelle4 luwe,e,. ·

b. connection 111 th theae rell'lllt• 11i 11 i:ateresUng to note that for a we~ prior to October 8th there bad been be&.YJ' raina ia tbe mountalne.

·Mil ihe Ol'&eks and river feeding the aqueclllct were avolle wltb. fiood ~tt :19Uowinc .axtremel.y low water. The 1td'luent atreu: waa ye.ry 111ldd7 &.a4 tlat ell•o• wat plainly vhible in the turbid water whica . .xteada4 down tlle urth ._..._. ot the reaervoir almcut ·to tlie litoWotl cut. On. Oetober 8th ture ••• a~- win! lllntaa fro the :Aor\h• ld.ald.ng •P coo4-lhle4 waves au •AS.teeefa oa all \hree. ba.etaa, while oa Oc\obn 12th & awoac w1d ti'Gil \he *""' OMlleil fliqeall.y ~ wa-er. Qn the otu:r thl'ee tt.r• \l:le lake ••• eala; while •• , .. 1\Ja. lure wu &b.Olu\el7 ao wind, aad the nrfao.e of \u water ••• a padeet m;l:rr,.r. IIUd.q eTerJ'thilll late cont14•rat1on• \be coadl Uo•• 'lr"He •'bou~ aa \\Jlt&:t•a\lle tor a 'Dacterlal ahow1ac •• ue ltktly to oeCIIU'; a tlaoa, waP. ""ll8lnc 1A U\e 800\U:'S.aca ot the Gteek 'b•d.• att•r a tuall' at low water, aqeoapaaS.e4 lq •1au blowin& hoa the tale• ~wad.a the' ou.tle'l. !et 1a sp1 te •lf. tllla, •1 th. aa ave:ra&e b~ateria.l cout at \he 1ale\ of 1460 per Altto otaUaewr tor \he the a.., a, the a Yuace eouat at \he 011.Ue' ••• oalT la6 M*' 01'blo eeumeter. Ooloa bac1llua wae poa1ttn ta all but o• ot tae one f8llle "ratbwte:r ttl'ht a\ the inlet, while at the outht 1 t ••• .feud. 1D ft\ t1r0 of the henty-five tea cu.bic ~llU.JDetn tu.ltet •hloh wue 1M.tat•4•

the iieolmique followe4 •• ••• pretCil'tbed \7 the ••u4ard llletho4e of tb Aaer1caa '-'b11c Health .A.•toc.lf.atioa. e4lt1011 of lt17. escept --.t tor tiM )RU'pote of thtt in~en1p.t1oa tM pndtA.ctioa ... , 1a tile tt&r14ar4 1Mtoae uo'la l'A&a •• , ... at tU.tf1ehnt proof of the p.l'eaea.o. of tlle colu baotllua, aa4 ae aoatb•aUtn of ~ di&.grlOah. hat 'baa aUeaptet. owiac to the lUd. atwae il~PG"ri 'br the fhli la'bo:r•toJ"t• letrenr, thh alllplt •••• tlle.t •• baTe placed tlM •rat PGaalble in,er:pretat1oa •• ou f1nUnce, aad if ._ •I'O..f bAa beea .Me U mM'ely oau.••• ~ water to qpeaJ> wor•e tBaa U J't&llf h.

I ova ft.i \b.f'G.lly;

(81pe4) C.Z.l. IUtoa, Jactel'iOloCi• t.

-17 ...

IAIPI &lm!QII J~lllUA!t UIJIL*ll

to tal OQ\Ua t ou Aaat·

&taU.on• on. a Oct. 9 Oc\. 10 Oct.. 11 Od. 12

1 aooo 1200 1500 uoo 1300 2 1000 1200 1000 900 1600 3 300 &30 411 ·aoo 380 .. 300 100 180 111 aao 5 186 '70 81 80 aoo

Coloa Ja.cUlut. lulller of Post ttve !u.'bee.

8\aUoa• Oot .. 8 Oct. ' Oct. 10 Oo\11 11 Oct. U 10 QQ. l • lQ •• 1· AI 10 S)Q lJG 10 .00 1 •• J,Q 00

l 5 1 6 1 5 l e 1 5 2 5 0 6 0 8 1 4 0 6

•• 3 0 1 1 8 0 2 • a • l 0 0 0 1 0 0 0 1 i 1 0 0 0 0 0 0 0 1

•l,aUoa: 1 waa i.a t.b.e intlueat etrt~aa at the nor\h dam.. 1-tatlaa a n.a U \he lour end of the north ka1a. IK\l.a 3 ue at the oenter ot ~· •i4dle baat:a • ... UtJl 4 ••• at the ~rth ea of \be touth b&at.a, off \he ••adowa. lta.Uoll- 5 aa at ihe etflueat \o·nr at \he lower end ot the teu.\h 'Gaeta •

. be realuh ot :or. WUaon • • ttuq tlww I'Vprhtng 'II'J'Q.fo1'1lit1•

._.,h1a4 th• in a.notlh.r way •• o'btaln the follOWiDCl

8t4Lt1cm ls labt to reaerwl:f 1\aiioa 2& a mil•• troa ialet &taUoa a: :r-1/2. .. • • ltaUoa4: 6 II II • ltaU.o• &: ., it II II

r:: ..

AYerace 'l'ot&l Bao\eru. . ttr i ill•

1440 1130 •ao 185 112

Averace ro. 1. 0o11 pu 100 c.o. for ti

. ~- COIIpQ.tri \'f' MpQre4x•a t&llltlt .

31 2i 9.4 1.2 o.e

}. QO

0 0 0 0 0

While the water entering the reserYo1r at thia tbe was of

interior aanitary qualitT, that a~ the laat tWP Dllplinc at&Uon•·• at lee.at,

waa e:ntirelf aaUafactor7. !he r.eaul ts of tb.eee examiuatioaa at:f'ord very

~JU2ID DDI II WS MGIJII

la d1•~••1ac ibe taa~ter7 a.,ect• ot \he Oweaa liver water aupply

U it of inter'at te consider the pre'fahaoe of tJl)lloU. fner in :Loa ~1•••

1a Vie• of th• faet that tbie is the JDoat importut wa\er .. l:Jorae dtaeaee to

part ta.gaitu,t. be followinc table conWae the tT.P.bold death rate tor the

p&.at ~entT-\hree "ua:

t •ar eniia, , •. ~14 tea\ha pel' lOQPOO

,. JOwaUqa

18915 ... ... - "' - - - - - 48 .. - - - - - - - - - 37 9.1--------- 36 9J. - - - - - - - - - 43 9t - - - .. - - ... - - 40 ltOtl·---------- 46 01~------- .. :sa.

'OS .. - - - - .:, - .. - 4J 03--------· 44 .()4 ..................... 40 06 ... -·------ 30

!yp)¥)14 deatha ~er 100.000 'Q9:al&Uoa

1tos -- - ................ aa o? - - - - - - - - - aa 08---·-·--- 21 og· ... - - ..... - - ... -· 20·

1910 - - .. - - - - - .. 13 11 - - - - - - - - - 14 12 - ... - - - - - .. ... 12 13 ~ - - - - - - - - 11 14 - - - - - - - - - 11 16 - - - - - - - - - &.6 16 - - - - - - - - - 2.8 1? - - - - - - - - - 2. 9

~· general tendeney bae been & l'aan&l decreaae in typhoid

thfo'U.;'i;hon.t till 1 perioi aa4 for the paet Mf~tal t•ar• \he rate )lat 'be-.

tt«r '1911 &84 baa been uaed in increaeiq quM U tr evw .·dace,. !be tJPh014

,., .. , ont.o-.s.ti7 d.oea ao\ reflec\ MJ' d.ele\ertou• effeot trOll the intro ... . . '

!be Lee Aacelee .Aq.11•4uct nppl.7 h dvlm troa O.ent lt.Ter alit

irtba.'-lt•,. fell by eprtau ad JMU\a1a etreame 4ratUnc the eaatern alope•

·. tf 'u ll•ra »ev.lla afta\ata.•• be nterehel •• reatdf.n& oa U aa a'ferace

\

\

population of less thNl 1.6 per square mile. fb.e strea111 probrfbl;r h slightly

ocnifla11nated abon the intake, but the likelihood ot h'wban eontaminat1on of a

clectroua (thuaoter it .-mall compared with JUAf other etreut uaad for domestic

PPPl.f• There 1 s a very remote po est '11111111y of ae'lfa.ge froa lSi shop in q agetl

~d relatively baraleae condition reaohtnc the river in flood season.

the water, attar \leling taken into the aqueduo\ •r•t•• 11 nbJec\ to

.,oaa1 bili t7 of further ctancero'llt CJ9nt.am1natlon so ema.ll as to be negUci 'ble.

The c&nauaer• of this water b&Ye a ver7 effiolent aate-gaard ap1ntt

GOaUminattol'l in tb.e fol'a of pviticatlon by loq atorac• in reauYolra between

~. ValleY and Los Angelea~~ llatw" rnervoir, 1n particular. 11 of great

'ft.l~• i.n tb.h reapeot. It :previdea aterage of te'V'eral IIQntha at the present

· i"&\6 o:t connmption. aU., ena w1 th COI11Upt1on at \he ultimate mu:i111u

C$,JI• ,,. of the qstell., actual •'-rage of all ••• for at leaet a aontb •i 11

lli )J'O'fi4.e4 ..

J'ro• tu atMdpolat of deti&D and eontuu.e111oa aad ceaeral eur•

~-~•• the ayet.fial &pPNI't tt preeent no eerloudy obJect~oaa.llle e.an1'tal'7

tea~••• la otber •ordc, •h• eu.cettaflll •U•iaaUoa of ,.,. poed"bh ~Cel'

· ha1 lteea ma4e enttrell' fea•1 ble. he doceee of au.m d1M1aal1oa depeab

eaUrelt upon the care ud watchfa.J.ne•• exercised in the crpef'ation of the qat-.

hoper operatioa fru a 1&111 tar7 .tand:poht will include

.ao~oienUoue pat'r'ol of the watereheda ot ttl.i re•ervoir• and· of all ope

«tnd'U ts to preyen\ accen of bulan l)eincs or human offal to the water. lt

wf.ll.eU.IIinat., as far ae poa•1'ble, a.ll t:retJm:lt or ...... bein«s oa laue

1ue41ateq eurl"<:n.uuling \be :reaer·voira q4 will forbid all uee of tbe '

roe1'1'01.ra for tta.Di.ac, ltatlltna aad lloattag.

H h r•co•el'14el \hat, \l.,On reo•tpt of a.pplloat1on froa tibe ct.•r ol J.Qe Aageles. a peaU be g-.te4 'by the Ita" Joart of •al\h \o aon\la.e

tp~fi\to:a ot l te a..-eact •t•t.•, cupplnnc nte:r from Cwea• &1Yer e4

tribu.tariee, •1 tb the provh1on that the ayate• be operated nth due care

to prevent oontaminaUon, as above outlined.

Reepeet~lly ~bmitted,

(ligned) lalph 11lecher

Souther& »iv1•1oa Engineer~