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<br />oo,gt\'
<br />
<br />104034'
<br />
<br />104030'
<br />
<br />( .
<br />,,,I 1.:) )^~--L
<br />I!:: !1.!>!~!!'3
<br />
<br />,-, <\L -!''':-1~~ _.- ~ )Llf~~lt;:
<br />-'>.,;_ -'_, - ~ - .,..~; ,,~~^,+{, $1~~-
<br />~\~>~--:~- ::--:~-'-= '-:~-: :\~ ~ 1 ',' -'-
<br />"Bessemer D~rf~ "'- -. . -, ",
<br />. ,
<br />
<br />.
<br />"
<br />----~l
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<br />'^', ,-~"",,,,Ni
<br />~ Depth to water less than 5 feet ^,'" \ 1--r"'::~1
<br />.' Depth to water between 5and 10 199t _?,~",+J.I
<br />Depthtowaterbetweenl0and15feet, / ,,'i ,I
<br />D Depth to water greater than 15 feet "--f^'/'~ :
<br />,,-, / /
<br />. MBAS detected (lB wells) --,</
<br />No MBAS detected (7 wells)
<br />25 Well number
<br />
<br />
<br />.
<br />
<br />38016'
<br />
<br />
<br />
<br />38014'
<br />
<br />Figure 4. Detections of methylene blue active substances (MBAS) in samples obtained from wells on
<br />St. Charles Mesa during July and August 1997
<br />
<br />.
<br />
<br />38016'
<br />
<br />
<br />104030'
<br />
<br />!
<br />
<br />38014'
<br />
<br />-=J\
<br />01 \
<br />~ 251
<br />'~hO/
<br />Drive L:::J,"
<br />~nIT. '/
<br />l ,. /
<br />____-li_=LtI~~ider_O'~.<l.,!, j /
<br />~l - \ /
<br />-~--"m-cJ24 I
<br />! "I
<br />-1.---.J ~oun!Y_"F~~T~~~~ .,_.L~_I
<br /><Il: i I I ~i i"~
<br />~: 18 .", .~~ r-~~-'1 ~1!1 I .~..~
<br />-< ~t[91. 01 I
<br />~'_~~ In!, -H Mr
<br />~. . Depth to water less than Sfeet .,~ "" r::~~.:~i LL~.... .SOUJ~Fl9:1:l5:lL """-O"~'-"X""."'.'~__~",...!L-r-"-
<br />Depthtowaterbetween5and10feet """:i II!: , 20 "'( i ;..,#.<$ :"'",-
<br />Depthtowaterbetweenl0and15feet "'-.".,""'{"' \l " I ~ 0~Q 1 \
<br />o Depth to water greater than 15 feet ", '\. ,19 l.-' \ '?'. / '\
<br />. Escherichia coli and total coliform bacteria (2 wells}V ~ '/ __~'i~:: .-' j~StUdY-are~_~.~UY'dary II
<br />o Total coliform bacteria (13 wells) \ / I 1 MILE
<br />o No bacteria (10 wells) \ / ~ / /, I
<br />25 Well number (lL.--_ 1 KILOMETER
<br />
<br />/
<br />
<br />
<br />.
<br />
<br />Figure 5. Detections of bacteria in samples obtained from weils on St. Charles Mesa during July and
<br />August 1997
<br />
<br />7
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