system collection gwqs well number date depth 180 …

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SYSTEM NUMBER SYSTEM NAME WELL ID COLLECTION DATE ANALYTE CONC. UNIT GWQS (ug/L) AQUIFER WELL DEPTH SUPPORT IL0010500 MENDON WL50257 4/12/2000 CHLORIDE 26.5 MG/L 200000 Pennsylvanian/Mississi ppian 180 Fair IL0010500 MENDON WL50257 4/4/2006 CHLORIDE 32.8 MG/L 200000 Pennsylvanian/Mississi ppian 180 Fair IL0010500 MENDON WL50257 4/8/2008 CHLORIDE 31 MG/L 200000 Pennsylvanian/Mississi ppian 180 Fair IL0010500 MENDON WL50257 4/12/2000 NITRATE 3.1 MG/L 10000 Pennsylvanian/Mississi ppian 180 Fair IL0010500 MENDON WL50257 11/9/2009 NITRATE 9.1 MG/L 10000 Pennsylvanian/Mississi ppian 180 Fair IL0010550 PAYSON WL01113 Good IL0010600 PLAINVILLE WL50150 5/19/2004 CHLORIDE 38 MG/L 200000 Pennsylvanian/Mississi ppian 220 Fair IL0010600 PLAINVILLE WL50150 6/1/2000 CHLORIDE 30.6 MG/L 200000 Pennsylvanian/Mississi ppian 220 Fair IL0010600 PLAINVILLE WL50150 5/25/2006 CHLORIDE 11.7 MG/L 200000 Pennsylvanian/Mississi ppian 220 Fair IL0010600 PLAINVILLE WL50150 5/23/2008 CHLORIDE 56.49 MG/L 200000 Pennsylvanian/Mississi ppian 220 Fair IL0010600 PLAINVILLE WL50150 5/23/2008 NITRATE 6.725 MG/L 10000 Pennsylvanian/Mississi ppian 220 Fair IL0010600 PLAINVILLE WL50150 6/1/2000 NITRATE 5.3 MG/L 10000 Pennsylvanian/Mississi ppian 220 Fair IL0015200 CLAYTON-CAMP-POINT WTR CMSN WL52008 7/16/2008 CHLORIDE 23.6 MG/L 200000 Sand & Gravel 90 Fair IL0015200 CLAYTON-CAMP-POINT WTR CMSN WL52008 6/27/2006 CHLORIDE 21.4 MG/L 200000 Sand & Gravel 90 Fair IL0015200 CLAYTON-CAMP-POINT WTR CMSN WL52008 7/26/2000 CHLORIDE 22.8 MG/L 200000 Sand & Gravel 90 Fair IL0015200 CLAYTON-CAMP-POINT WTR CMSN WL52008 7/26/2000 NITRATE 3.4 MG/L 10000 Sand & Gravel 90 Fair IL0075050 AQUA ILLINOIS - CANDLEWICK DIV WL11318 Good IL0110150 BUREAU JUNCTION WL11327 2/21/2006 CHLORIDE 698 MG/L 200000 Devonian/Silurian 334 Poor IL0110150 BUREAU JUNCTION WL11327 2/13/2008 CHLORIDE 800 MG/L 200000 Devonian/Silurian 334 Poor IL0110300 DE PUE WL11336 Good IL0110550 MALDEN WL11347 Good IL0110800 OHIO WL11363 Good IL0110850 PRINCETON WL11367 Good IL0115000 VAN ORIN WTR CMPNY WL11397 Good

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SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0010500 MENDON WL50257 4/12/2000 CHLORIDE 26.5 MG/L 200000Pennsylvanian/Mississi

ppian180 Fair

IL0010500 MENDON WL50257 4/4/2006 CHLORIDE 32.8 MG/L 200000Pennsylvanian/Mississi

ppian180 Fair

IL0010500 MENDON WL50257 4/8/2008 CHLORIDE 31 MG/L 200000Pennsylvanian/Mississi

ppian180 Fair

IL0010500 MENDON WL50257 4/12/2000 NITRATE 3.1 MG/L 10000Pennsylvanian/Mississi

ppian180 Fair

IL0010500 MENDON WL50257 11/9/2009 NITRATE 9.1 MG/L 10000Pennsylvanian/Mississi

ppian180 Fair

IL0010550 PAYSON WL01113 Good

IL0010600 PLAINVILLE WL50150 5/19/2004 CHLORIDE 38 MG/L 200000Pennsylvanian/Mississi

ppian220 Fair

IL0010600 PLAINVILLE WL50150 6/1/2000 CHLORIDE 30.6 MG/L 200000Pennsylvanian/Mississi

ppian220 Fair

IL0010600 PLAINVILLE WL50150 5/25/2006 CHLORIDE 11.7 MG/L 200000Pennsylvanian/Mississi

ppian220 Fair

IL0010600 PLAINVILLE WL50150 5/23/2008 CHLORIDE 56.49 MG/L 200000Pennsylvanian/Mississi

ppian220 Fair

IL0010600 PLAINVILLE WL50150 5/23/2008 NITRATE 6.725 MG/L 10000Pennsylvanian/Mississi

ppian220 Fair

IL0010600 PLAINVILLE WL50150 6/1/2000 NITRATE 5.3 MG/L 10000Pennsylvanian/Mississi

ppian220 Fair

IL0015200CLAYTON-CAMP-POINT

WTR CMSNWL52008 7/16/2008 CHLORIDE 23.6 MG/L 200000 Sand & Gravel 90 Fair

IL0015200CLAYTON-CAMP-POINT

WTR CMSNWL52008 6/27/2006 CHLORIDE 21.4 MG/L 200000 Sand & Gravel 90 Fair

IL0015200CLAYTON-CAMP-POINT

WTR CMSNWL52008 7/26/2000 CHLORIDE 22.8 MG/L 200000 Sand & Gravel 90 Fair

IL0015200CLAYTON-CAMP-POINT

WTR CMSNWL52008 7/26/2000 NITRATE 3.4 MG/L 10000 Sand & Gravel 90 Fair

IL0075050AQUA ILLINOIS -

CANDLEWICK DIVWL11318 Good

IL0110150 BUREAU JUNCTION WL11327 2/21/2006 CHLORIDE 698 MG/L 200000 Devonian/Silurian 334 Poor

IL0110150 BUREAU JUNCTION WL11327 2/13/2008 CHLORIDE 800 MG/L 200000 Devonian/Silurian 334 Poor

IL0110300 DE PUE WL11336 Good

IL0110550 MALDEN WL11347 Good

IL0110800 OHIO WL11363 Good

IL0110850 PRINCETON WL11367 Good

IL0115000 VAN ORIN WTR CMPNY WL11397 Good

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0150100 LANARK WL11706 Good

IL0150100 LANARK WL11707 Good

IL0150250 SAVANNA WL11942 Good

IL0190300 HOMER WL47662 Good

IL0190350 LONG VIEW WL47674 Good

IL0190500 OGDEN WL47658 Good

IL0190700 ROYAL WL47656 Good

IL0190750 SADORUS WL47681 Good

IL0195150SANGAMON VALLEY

PWDWL47687 Good

IL0195300IL AMERICAN -

CHAMPAIGNWL45075 Good

IL0195300IL AMERICAN -

CHAMPAIGNWL45081 Good

IL0210150 EDINBURG WL50353 Good

IL0210300 MORRISONVILLE WL50237 5/19/2006 CHLORIDE 60.7 MG/L 200000 Sand & Gravel 44 Fair

IL0210300 MORRISONVILLE WL50237 5/14/2008 CHLORIDE 53.7 MG/L 200000 Sand & Gravel 44 Fair

IL0210300 MORRISONVILLE WL50237 5/26/2004 CHLORIDE 55.2 MG/L 200000 Sand & Gravel 44 Fair

IL0210300 MORRISONVILLE WL50237 5/23/2000 CHLORIDE 49.7 MG/L 200000 Sand & Gravel 44 Fair

IL0210300 MORRISONVILLE WL50237 5/15/2001 CHLORIDE 37.7 MG/L 200000 Sand & Gravel 44 Fair

IL0210300 MORRISONVILLE WL50237 5/15/2001 NITRATE 3.4 MG/L 10000 Sand & Gravel 44 Fair

IL0210300 MORRISONVILLE WL50238 8/22/2008 CHLORIDE 38.3 MG/L 200000 Sand & Gravel 47 Fair

IL0210300 MORRISONVILLE WL50238 9/7/2000 CHLORIDE 35.4 MG/L 200000 Sand & Gravel 47 Fair

IL0210300 MORRISONVILLE WL50238 8/24/2004 CHLORIDE 38.2 MG/L 200000 Sand & Gravel 47 Fair

IL0210300 MORRISONVILLE WL50238 9/7/2000 NITRATE 3.3 MG/L 10000 Sand & Gravel 47 Fair

IL0210350 MOUNT AUBURN WL50224 Good

IL0230100 MARSHALL WL45155 3/23/2006 CHLORIDE 23.9 MG/L 200000Pennsylvanian/Mississi

ppian68 Fair

IL0230100 MARSHALL WL45155 3/24/2000 CHLORIDE 17 MG/L 200000Pennsylvanian/Mississi

ppian68 Fair

IL0230100 MARSHALL WL45155 3/4/2008 CHLORIDE 16 MG/L 200000Pennsylvanian/Mississi

ppian68 Fair

IL0230100 MARSHALL WL45155 3/24/2000 NITRATE 1.17 MG/L 10000Pennsylvanian/Mississi

ppian68 Fair

IL0235400UNION-YORK WTR

DSTRCTWL00251 3/6/2008 CHLORIDE 34 MG/L 200000 Sand & Gravel 115 Fair

IL0235400UNION-YORK WTR

DSTRCTWL00251 3/1/2006 CHLORIDE 35.1 MG/L 200000 Sand & Gravel 115 Fair

IL0235400UNION-YORK WTR

DSTRCTWL00251 3/9/2000 CHLORIDE 34 MG/L 200000 Sand & Gravel 115 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0235400UNION-YORK WTR

DSTRCTWL00251 11/12/2002

METHYL

TERT-BUTYL

ETHER

4.6 UG/L 70 Sand & Gravel 115 Fair

IL0235400UNION-YORK WTR

DSTRCTWL00251 5/7/2002

METHYL

TERT-BUTYL

ETHER

8.4 UG/L 70 Sand & Gravel 115 Fair

IL0235400UNION-YORK WTR

DSTRCTWL00251 3/4/2002

METHYL

TERT-BUTYL

ETHER

2.3 UG/L 70 Sand & Gravel 115 Fair

IL0235400UNION-YORK WTR

DSTRCTWL00251 3/9/2000 NITRATE 5.3 MG/L 10000 Sand & Gravel 115 Fair

IL0250010 IOLA WL00304 Good

IL0295100CLEAR WATER SRVC

CORPWL47765 1/25/2000 CHLORIDE 26.9 MG/L 200000 Sand & Gravel 37 Fair

IL0295100CLEAR WATER SRVC

CORPWL47765 1/16/2008 CHLORIDE 29 MG/L 200000 Sand & Gravel 37 Fair

IL0295100CLEAR WATER SRVC

CORPWL47765 1/25/2000 NITRATE 2.7 MG/L 10000 Sand & Gravel 37 Fair

IL0310150 BELLWOOD WL21085 Good

IL0313060 STREAMWOOD WL00527 9/25/2007 TOLUENE 6.23 UG/L 1000 Sand & Gravel 115 Fair

IL0314120 BARTLETT WL20609 8/29/2000 CHLORIDE 32.3 MG/L 200000 Devonian/Silurian 200 Fair

IL0314120 BARTLETT WL20609 9/5/2006 CHLORIDE 49.3 MG/L 200000 Devonian/Silurian 200 Fair

IL0314120 BARTLETT WL20609 8/18/2008 CHLORIDE 51.7 MG/L 200000 Devonian/Silurian 200 Fair

IL0314120 BARTLETT WL20609 8/30/2004 CHLORIDE 47.8 MG/L 200000 Devonian/Silurian 200 Fair

IL0314120 BARTLETT WL20613 6/13/2000 CHLORIDE 31.9 MG/L 200000 Mixed 392 Fair

IL0314120 BARTLETT WL20613 6/17/2008 CHLORIDE 57.95 MG/L 200000 Mixed 392 Fair

IL0314120 BARTLETT WL20613 6/12/2006 CHLORIDE 48.8 MG/L 200000 Mixed 392 Fair

IL0314860 STEGER WL20580 Good

IL0315185 OASIS MHP WL20633 Good

IL0330100 HUTSONVILLE WL47811 Good

IL0370100 DE KALB WL11406 Good

IL0370200 HINCKLEY WL11419 Good

IL0370450 SHABBONA WL11435 Good

IL0374870 SOMONAUK WL11437 Good

IL0374870 SOMONAUK WL11438 Good

IL0390050 CLINTON WL00395 Good

IL0390250 WAPELLA WL47636 Good

IL0410250 NEWMAN WL01175 Good

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0410350 VILLA GROVE WL40003 Good

IL0430060SOUTHEAST

REGIONAL WTR FACWL01408 Good

IL0430060SOUTHEAST

REGIONAL WTR FACWL20520 7/7/2008 CHLORIDE 78.8 MG/L 200000 Mixed 284 Fair

IL0430060SOUTHEAST

REGIONAL WTR FACWL20520 6/26/2000 CHLORIDE 76 MG/L 200000 Mixed 284 Fair

IL0430060SOUTHEAST

REGIONAL WTR FACWL20520 6/26/2006 CHLORIDE 75.7 MG/L 200000 Mixed 284 Fair

IL0430250 CLARENDON HILLS WL20687 4/25/2000 CHLORIDE 101 MG/L 200000 Mixed 352 Fair

IL0430250 CLARENDON HILLS WL20687 8/6/2008 CHLORIDE 110 MG/L 200000 Mixed 352 Fair

IL0430250 CLARENDON HILLS WL20687 5/1/2006 CHLORIDE 17 MG/L 200000 Mixed 352 Fair

IL0430833 WARRENVILLE WL00622 Good

IL0430833 WARRENVILLE WL20769 11/17/2008 CHLORIDE 210 MG/L 200000 Mixed 335 Poor

IL0430833 WARRENVILLE WL20769 11/19/2002 CHLORIDE 130 MG/L 200000 Mixed 335 Poor

IL0430833 WARRENVILLE WL20769 11/30/2004 CHLORIDE 129 MG/L 200000 Mixed 335 Poor

IL0430833 WARRENVILLE WL20769 11/21/2000 CHLORIDE 116 MG/L 200000 Mixed 335 Poor

IL0430833 WARRENVILLE WL20769 12/6/2006 CHLORIDE 175 MG/L 200000 Mixed 335 Poor

IL0430900 WEST CHICAGO WL00337 Good

IL0430900 WEST CHICAGO WL01029 Good

IL0430900 WEST CHICAGO WL20546 6/12/2006 CHLORIDE 89.6 MG/L 200000 Devonian/Silurian 313 Fair

IL0430900 WEST CHICAGO WL20546 6/13/2000 CHLORIDE 67.1 MG/L 200000 Devonian/Silurian 313 Fair

IL0430900 WEST CHICAGO WL20546 6/10/2008 CHLORIDE 86.29 MG/L 200000 Devonian/Silurian 313 Fair

IL0430900 WEST CHICAGO WL20546 6/8/2004 CHLORIDE 58 MG/L 200000 Devonian/Silurian 313 Fair

IL0430900 WEST CHICAGO WL20546 6/8/2004

CIS-1,2-

DICHLOROET

HYLENE

0.81 UG/L 70 Devonian/Silurian 313 Fair

IL0430900 WEST CHICAGO WL20546 6/11/2002

CIS-1,2-

DICHLOROET

HYLENE

0.6 UG/L 70 Devonian/Silurian 313 Fair

IL0430900 WEST CHICAGO WL20546 6/13/2000

CIS-1,2-

DICHLOROET

HYLENE

0.7 UG/L 70 Devonian/Silurian 313 Fair

IL0431150 WINFIELD WL20484 10/16/2000 CHLORIDE 178 MG/L 200000 Mixed 335 Poor

IL0431150 WINFIELD WL20484 10/7/2002 CHLORIDE 161 MG/L 200000 Mixed 335 Poor

IL0431150 WINFIELD WL20484 10/6/2008 CHLORIDE 363 MG/L 200000 Mixed 335 Poor

IL0431150 WINFIELD WL20484 10/18/2006 CHLORIDE 248 MG/L 200000 Mixed 335 Poor

IL0431150 WINFIELD WL20484 10/7/2002 NITRATE 0.03 MG/L 10000 Mixed 335 Poor

IL0435300UTL INC CLARENDON

WTR CMPNYWL20469 6/26/2000 CHLORIDE 91.8 MG/L 200000 Devonian/Silurian 325 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0435300UTL INC CLARENDON

WTR CMPNYWL20469 7/7/2008 CHLORIDE 80.4 MG/L 200000 Devonian/Silurian 325 Fair

IL0435300UTL INC CLARENDON

WTR CMPNYWL20469 6/26/2006 CHLORIDE 86 MG/L 200000 Devonian/Silurian 325 Fair

IL0435300UTL INC CLARENDON

WTR CMPNYWL20469 7/17/2001 NITRATE 0.02 MG/L 10000 Devonian/Silurian 325 Fair

IL0435500 GLEN ELLYN HTS SBDV WL20700 1/15/2008 CHLORIDE 47 MG/L 200000 Cambrian/Ordovician 350 Fair

IL0435500 GLEN ELLYN HTS SBDV WL20700 2/1/2000 CHLORIDE 41.9 MG/L 200000 Cambrian/Ordovician 350 Fair

IL0435500 GLEN ELLYN HTS SBDV WL20700 1/24/2006 CHLORIDE 47.8 MG/L 200000 Cambrian/Ordovician 350 Fair

IL0435600LIBERTY PARK

HOMEOWNERS ASSNWL20510 9/20/2006 CHLORIDE 68.2 MG/L 200000 Mixed 278 Fair

IL0435600LIBERTY PARK

HOMEOWNERS ASSNWL20510 9/19/2000 CHLORIDE 69.4 MG/L 200000 Mixed 278 Fair

IL0435600LIBERTY PARK

HOMEOWNERS ASSNWL20510 9/17/2008 CHLORIDE 90.9 MG/L 200000 Mixed 278 Fair

IL0435600LIBERTY PARK

HOMEOWNERS ASSNWL20510 9/22/2004 CHLORIDE 73.2 MG/L 200000 Mixed 278 Fair

IL0435945 PLEASANT RIDGE MHP WL20499 5/17/2004 CHLORIDE 101 MG/L 200000 Devonian/Silurian 168 Poor

IL0435945 PLEASANT RIDGE MHP WL20499 5/20/2008 CHLORIDE 100.24 MG/L 200000 Devonian/Silurian 168 Poor

IL0435945 PLEASANT RIDGE MHP WL20499 5/12/2000 CHLORIDE 93.8 MG/L 200000 Devonian/Silurian 168 Poor

IL0435945 PLEASANT RIDGE MHP WL20499 5/22/2006 CHLORIDE 235 MG/L 200000 Devonian/Silurian 168 Poor

IL0435945 PLEASANT RIDGE MHP WL20499 5/12/2000 NITRATE 0.01 MG/L 10000 Devonian/Silurian 168 Poor

IL0437000POLO DR & SADDLE RD

SBDVWL20497 1/15/2008 CHLORIDE 110 MG/L 200000 Devonian/Silurian 200 Poor

IL0437000POLO DR & SADDLE RD

SBDVWL20497 2/1/2000 CHLORIDE 95.3 MG/L 200000 Devonian/Silurian 200 Poor

IL0437000POLO DR & SADDLE RD

SBDVWL20497 1/24/2006 CHLORIDE 301 MG/L 200000 Devonian/Silurian 200 Poor

IL0437000POLO DR & SADDLE RD

SBDVWL20497 1/15/2008 TOLUENE 0.76323 UG/L 1000 Devonian/Silurian 200 Poor

IL0437245 VIETZEN MHP WL20493 2/4/2008 CHLORIDE 87 MG/L 200000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20493 1/25/2000 CHLORIDE 59.2 MG/L 200000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20493 1/25/2000 CHLORIDE 56.1 MG/L 200000 Devonian/Silurian 135 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0437245 VIETZEN MHP WL20493 2/8/2006 CHLORIDE 93.5 MG/L 200000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20493 8/23/2005 NITRATE 0.19 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20493 8/25/2003 NITRATE 0.279 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20493 8/12/2002 NITRATE 0.12 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20493 1/25/2000 NITRATE 0.01 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20493 9/16/2009 NITRATE 0.19 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20493 8/7/2006 NITRATE 0.23 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20494 2/8/2006 CHLORIDE 67.9 MG/L 200000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20494 2/4/2008 CHLORIDE 60 MG/L 200000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20494 9/16/2009 NITRATE 0.22 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20494 8/25/2003 NITRATE 0.241 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20494 10/2/2000 NITRATE 0.3 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20494 8/23/2005 NITRATE 0.14 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20494 8/12/2002 NITRATE 0.11 MG/L 10000 Devonian/Silurian 135 Fair

IL0437245 VIETZEN MHP WL20494 8/7/2006 NITRATE 0.23 MG/L 10000 Devonian/Silurian 135 Fair

IL0450050 BROCTON WL40008 Good

IL0490150 DIETERICH WL47826 Good

IL0490350 MONTROSE WL45174 Good

IL0490450 TEUTOPOLIS WL47829 Good

IL0530100 GIBSON CITY WL47526 Good

IL0530250 PAXTON WL47542 Good

IL0530300 PIPER CITY WL47532 1/18/2006 CHLORIDE 1.15 MG/L 200000 Sand & Gravel 90 Poor

IL0530300 PIPER CITY WL47532 1/16/2008 CHLORIDE 6.5 MG/L 200000 Sand & Gravel 90 Poor

IL0530300 PIPER CITY WL47532 1/21/2000 CHLORIDE 1.14 MG/L 200000 Sand & Gravel 90 Poor

IL0530300 PIPER CITY WL47532 1/15/2002CHLOROMET

HANE0.6 UG/L Sand & Gravel 90 Poor

IL0570100 AVON WL52056 Good

IL0570600 LEWISTOWN WL58012 2/8/2000 CHLORIDE 17.9 MG/L 200000 Sand & Gravel 35 Fair

IL0570600 LEWISTOWN WL58012 1/26/2006 CHLORIDE 21 MG/L 200000 Sand & Gravel 35 Fair

IL0570600 LEWISTOWN WL58012 1/28/2008 CHLORIDE 32 MG/L 200000 Sand & Gravel 35 Fair

IL0570600 LEWISTOWN WL58012 2/8/2000 NITRATE 2.1 MG/L 10000 Sand & Gravel 35 Fair

IL0610100 ELDRED WL60066 4/5/2006 CHLORIDE 228 MG/L 200000 Sand & Gravel 52 Fair

IL0610100 ELDRED WL60066 5/15/2008 CHLORIDE 123.87 MG/L 200000 Sand & Gravel 52 Fair

IL0610100 ELDRED WL60066 4/18/2000 CHLORIDE 121 MG/L 200000 Sand & Gravel 52 Fair

IL0610100 ELDRED WL60066 4/18/2000 NITRATE 3.2 MG/L 10000 Sand & Gravel 52 Fair

IL0610200 HILLVIEW WL00706 Good

IL0630200 COAL CITY WL01184 Good

IL0630250 DIAMOND WL22016 Good

IL0630600 MORRIS WL22040 Good

IL0690100 ELIZABETHTOWN WL70490 10/5/2000 CHLORIDE 16.6 MG/L 200000Pennsylvanian/Mississi

ppian601 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0690100 ELIZABETHTOWN WL70490 9/30/2004 CHLORIDE 16.9 MG/L 200000Pennsylvanian/Mississi

ppian601 Fair

IL0690100 ELIZABETHTOWN WL70490 10/3/2006 CHLORIDE 16.2 MG/L 200000Pennsylvanian/Mississi

ppian601 Fair

IL0690100 ELIZABETHTOWN WL70490 9/30/2008 CHLORIDE 17.7 MG/L 200000Pennsylvanian/Mississi

ppian601 Fair

IL0690100 ELIZABETHTOWN WL70490 10/10/2001 CHLORIDE 51.7 MG/L 200000Pennsylvanian/Mississi

ppian601 Fair

IL0690100 ELIZABETHTOWN WL70490 8/3/2006 NITRATE 4.74 MG/L 10000Pennsylvanian/Mississi

ppian601 Fair

IL0690100 ELIZABETHTOWN WL70490 10/5/2000 NITRATE 3.7 MG/L 10000Pennsylvanian/Mississi

ppian601 Fair

IL0690100 ELIZABETHTOWN WL70490 10/10/2001 NITRATE 3.3 MG/L 10000Pennsylvanian/Mississi

ppian601 Fair

IL0710010DALLAS RURAL WTR

DSTRCTWL00870 12/12/2006 CHLORIDE 19.5 MG/L 200000 Sand & Gravel 75 Fair

IL0710010DALLAS RURAL WTR

DSTRCTWL00870 12/18/2008 CHLORIDE 30.2 MG/L 200000 Sand & Gravel 75 Fair

IL0710010DALLAS RURAL WTR

DSTRCTWL00870 1/17/2001 CHLORIDE 16.5 MG/L 200000 Sand & Gravel 75 Fair

IL0710010DALLAS RURAL WTR

DSTRCTWL00870 12/11/2002 CHLORIDE 14.1 MG/L 200000 Sand & Gravel 75 Fair

IL0710010DALLAS RURAL WTR

DSTRCTWL00870 12/14/2004 CHLORIDE 14.6 MG/L 200000 Sand & Gravel 75 Fair

IL0710010DALLAS RURAL WTR

DSTRCTWL00870 1/17/2001 NITRATE 3.4 MG/L 10000 Sand & Gravel 75 Fair

IL0710300 OQUAWKA WL50205 2/5/2008 CHLORIDE 72 MG/L 200000 Sand & Gravel 65 Fair

IL0710400 STRONGHURST WL50094 Good

IL0730050 ALPHA WL31701 Good

IL0730100 ANDOVER WL31703 Good

IL0730550 COLONA WEST WL31733 Good

IL0730700 ORION WL31803 Good

IL0735050 COUNTRY ESTS SBDV WL31745 5/30/2006 CHLORIDE 701 MG/L 200000 Devonian/Silurian 45 Poor

IL0735050 COUNTRY ESTS SBDV WL31745 6/16/2008 CHLORIDE 275.64 MG/L 200000 Devonian/Silurian 45 Poor

IL0735220HAZELWOOD HEIGHTS

SBDVWL31755 Good

IL0735250HAZELWOOD WEST

SBDVWL31758 Good

IL0735345 KERSHAW MHP WL11034 1/10/2006 CHLORIDE 12.6 MG/L 200000 Devonian/Silurian 110 Poor

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0735345 KERSHAW MHP WL11034 1/18/2000 CHLORIDE 5.92 MG/L 200000 Devonian/Silurian 110 Poor

IL0735345 KERSHAW MHP WL11035 Good

IL0735350HAZELWOOD 4TH

ADDNWL31752 Good

IL0735425 RIVERVIEW MHP WL11042 Good

IL0750100 BEAVERVILLE WL47564 Good

IL0750150 BUCKLEY WL47573 Good

IL0750200 CISSNA PARK WL47592 Good

IL0750250 CLIFTON WL01449 Good

IL0750300 CRESCENT CITY WL47551 1/16/2008 CHLORIDE 3 MG/L 200000 Sand & Gravel 132 Fair

IL0750300 CRESCENT CITY WL47551 1/18/2006 CHLORIDE 3.75 MG/L 200000 Sand & Gravel 132 Fair

IL0750300 CRESCENT CITY WL47551 2/16/2000 CHLORIDE 3.86 MG/L 200000 Sand & Gravel 132 Fair

IL0750300 CRESCENT CITY WL47551 2/16/2000

METHYL

TERT-BUTYL

ETHER

1 UG/L 70 Sand & Gravel 132 Fair

IL0750700 ONARGA WL47575 Good

IL0750800 SHELDON WL47562 Good

IL0750900 WATSEKA WL47571 10/3/2000 CHLORIDE 24.3 MG/L 200000 Sand & Gravel 133 Fair

IL0750900 WATSEKA WL47571 9/16/2004 CHLORIDE 22.9 MG/L 200000 Sand & Gravel 133 Fair

IL0750900 WATSEKA WL47571 9/25/2008 CHLORIDE 22.2 MG/L 200000 Sand & Gravel 133 Fair

IL0750900 WATSEKA WL47571 9/12/2006 CHLORIDE 24.6 MG/L 200000 Sand & Gravel 133 Fair

IL0751000 WOODLAND WL47586 Good

IL0755110BAYLES LAKE LOT

OWNERS ASSNWL47583 Good

IL0790100 NEWTON WL47815 6/28/2000 CHLORIDE 14.6 MG/L 200000 Sand & Gravel 51 Poor

IL0790100 NEWTON WL47815 7/2/2001 CHLORIDE 15.6 MG/L 200000 Sand & Gravel 51 Poor

IL0790100 NEWTON WL47815 6/30/2006 CHLORIDE 13.8 MG/L 200000 Sand & Gravel 51 Poor

IL0790100 NEWTON WL47815 7/2/2008 CHLORIDE 15.4 MG/L 200000 Sand & Gravel 51 Poor

IL0790100 NEWTON WL47815 7/2/2001 NITRATE 2.5 MG/L 10000 Sand & Gravel 51 Poor

IL0790100 NEWTON WL47815 6/28/2000 NITRATE 2.1 MG/L 10000 Sand & Gravel 51 Poor

IL0790300 WILLOW HILL WL47819 Good

IL0850200 GALENA WL11740 Good

IL0870050 BELKNAP WL70770 Good

IL0890200 CARPENTERSVILLE WL20029 Good

IL0890200 CARPENTERSVILLE WL20030 Good

IL0890350 GENEVA WL20044 Good

IL0890450 HAMPSHIRE WL01156 Good

IL0890450 HAMPSHIRE WL01536 Good

IL0890600 NORTH AURORA WL20077 Good

IL0894130 BATAVIA WL00732 Good

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0894130 BATAVIA WL20018 2/1/2000 CHLORIDE 173 MG/L 200000 Cambrian/Ordovician 2200 Poor

IL0894380 ELGIN WL22166 7/8/2008 CHLORIDE 8.28 MG/L 200000 Cambrian/Ordovician 1353 Fair

IL0894690 MONTGOMERY WL20069 Good

IL0895285MARGARETS HI-ACRE

MHPWL20061 Good

IL0895300MOECHERVILLE

WATER DISTRICTWL20065 Good

IL0895300MOECHERVILLE

WATER DISTRICTWL20066 Good

IL0895445 PATTERSON MHP WL20085 7/23/2008 CHLORIDE 207 MG/L 200000 Mixed 80 Poor

IL0895445 PATTERSON MHP WL20085 7/17/2000 CHLORIDE 103 MG/L 200000 Mixed 80 Poor

IL0910250 BUCKINGHAM WL01143 Good

IL0910450 HERSCHER WL22077 Good

IL0910700 ST ANNE WL22099 Good

IL0930100 NEWARK WL20136 Good

IL0930250 YORKVILLE WL20134 8/26/2004 CHLORIDE 3.49 MG/L 200000 Cambrian/Ordovician 1335 Fair

IL0930250 YORKVILLE WL20134 9/5/2006 CHLORIDE 2.89 MG/L 200000 Cambrian/Ordovician 1335 Fair

IL0930250 YORKVILLE WL20134 10/5/2000 CHLORIDE 3.43 MG/L 200000 Cambrian/Ordovician 1335 Fair

IL0950500 ST AUGUSTINE WL50120 Good

IL0970080WYNSTONE WTR

CMPNYWL00258 Good

IL0970120 SADDLEBROOK FARMS WL00366 Good

IL0970840 LAKE VILLA WL00546 Good

IL0970850 LAKE ZURICH WL00636 Good

IL0970850 LAKE ZURICH WL20259 Good

IL0970850 LAKE ZURICH WL20260 Good

IL0971050FIELDS OF LONG

GROVEWL00219 Good

IL0971050FIELDS OF LONG

GROVEWL01233 Good

IL0971850 WAUCONDA WL20289 Good

IL0974080 BARRINGTON WL20236 Good

IL0974080 BARRINGTON WL20237 Good

IL0975200COUNTRYSIDE LAKE

SBDVWL00937 Good

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0975238HEIDEN GARDENS

CNDOSWL21044 Good

IL0975250COUNTRYSIDE MANOR

SBDVWL20285 Good

IL0975250COUNTRYSIDE MANOR

SBDVWL20286 Good

IL0975485 PAULS MHP WL20250 Good

IL0975600GRANDWOOD PARK

SUBDIVISIONWL01399 Good

IL0975600GRANDWOOD PARK

SUBDIVISIONWL20016 Good

IL0975700UTL INC HILLDALE MNR

WTR CMPNYWL02305 Good

IL0975900 PEKARA SBDV WL20294 Good

IL0975900 PEKARA SBDV WL20296 Good

IL0975900 PEKARA SBDV WL20297 Good

IL0977189ALTERNATIVE

BEHAVIOR TRTMT CTRWL20012 Good

IL0977250 TOWNERS SBDV WL20244 Good

IL0990150 EARLVILLE WL11456 Good

IL0990200 GRAND RIDGE WL11459 Good

IL0990350 LELAND WL11470 Good

IL0990650 NORTH UTICA WL11495 Good

IL0990850 PERU WL11507 Good

IL0990850 PERU WL11508 Good

IL0990900 RANSOM WL11514 Good

IL0991150 TONICA WL11526 Good

IL0995250 OAKLANE SBDV WL11539 Good

IL0995329 LASALLE CNTY NH WL11057 4/14/2008 CHLORIDE 72 MG/L 200000 Cambrian/Ordovician 345 Fair

IL0995329 LASALLE CNTY NH WL11057 4/24/2006 CHLORIDE 59.6 MG/L 200000 Cambrian/Ordovician 345 Fair

IL0995329 LASALLE CNTY NH WL11057 5/1/2000 CHLORIDE 66.4 MG/L 200000 Cambrian/Ordovician 345 Fair

IL0995329 LASALLE CNTY NH WL11057 5/1/2000 NITRATE 0.08 MG/L 10000 Cambrian/Ordovician 345 Fair

IL0995365 COUNTRY ACRES MHP WL11047 10/14/2008 CHLORIDE 218 MG/L 200000 Cambrian/Ordovician 550 Fair

IL0995365 COUNTRY ACRES MHP WL11047 10/20/2004 CHLORIDE 207 MG/L 200000 Cambrian/Ordovician 550 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL0995365 COUNTRY ACRES MHP WL11047 7/20/2009 TOLUENE 0.64 UG/L 1000 Cambrian/Ordovician 550 Fair

IL1010250 ST FRANCISVILLE WL70862 11/19/2002 CHLORIDE 63.5 MG/L 200000 Sand & Gravel 49 Fair

IL1010250 ST FRANCISVILLE WL70862 11/6/2008 CHLORIDE 23 MG/L 200000 Sand & Gravel 49 Fair

IL1010250 ST FRANCISVILLE WL70862 11/15/2004 CHLORIDE 46.4 MG/L 200000 Sand & Gravel 49 Fair

IL1010250 ST FRANCISVILLE WL70862 11/19/2002 NITRATE 6.11 MG/L 10000 Sand & Gravel 49 Fair

IL1030050 AMBOY WL01079 Good

IL1030150 COMPTON WL11551 Good

IL1030200 DIXON WL11557 Good

IL1030250 FRANKLIN GROVE WL11560 Good

IL1030250 FRANKLIN GROVE WL11562 1/22/2008 CHLORIDE 5 MG/L 200000 Cambrian/Ordovician 769 Fair

IL1030250 FRANKLIN GROVE WL11562 1/30/2006 CHLORIDE 4.06 MG/L 200000 Cambrian/Ordovician 769 Fair

IL1030250 FRANKLIN GROVE WL11562 2/7/2000 CHLORIDE 6.6 MG/L 200000 Cambrian/Ordovician 769 Fair

IL1030250 FRANKLIN GROVE WL11562 2/7/2000 NITRATE 2.9 MG/L 10000 Cambrian/Ordovician 769 Fair

IL1030400 PAW PAW WL11570 Good

IL1035500DIXON CORRECTIONAL

CENTERWL11582 Good

IL1050100 CHATSWORTH WL47501 Good

IL1050150 CORNELL WL47513 Good

IL1050550 ODELL WL47518 Good

IL1055510DWIGHT

CORRECTIONAL CNTRWL47523 Good

IL1070050 ATLANTA WL52053 Good

IL1070400 MOUNT PULASKI WL50221 5/12/2004 CHLORIDE 21.4 MG/L 200000 Sand & Gravel 34 Poor

IL1070400 MOUNT PULASKI WL50221 5/7/2008 CHLORIDE 36.56 MG/L 200000 Sand & Gravel 34 Poor

IL1070400 MOUNT PULASKI WL50221 5/25/2000 CHLORIDE 17.2 MG/L 200000 Sand & Gravel 34 Poor

IL1070400 MOUNT PULASKI WL50221 5/11/2006 CHLORIDE 25.2 MG/L 200000 Sand & Gravel 34 Poor

IL1070400 MOUNT PULASKI WL50221 5/25/2000 NITRATE 11 MG/L 10000 Sand & Gravel 34 Poor

IL1070500 MIDDLETOWN WL50251 Good

IL1075150BEASON CHESTNUT

PWDWL58042 10/20/2004 CHLORIDE 27 MG/L 200000 Sand & Gravel 50 Fair

IL1075150BEASON CHESTNUT

PWDWL58042 10/20/2006 CHLORIDE 26.9 MG/L 200000 Sand & Gravel 50 Fair

IL1075150BEASON CHESTNUT

PWDWL58042 10/7/2008 CHLORIDE 22.1 MG/L 200000 Sand & Gravel 50 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1090300 INDUSTRY WL50298 Good

IL1090350 MACOMB WL01543 Good

IL1110050 ALGONQUIN WL00186 7/23/2008 CHLORIDE 34 MG/L 200000 Sand & Gravel 151 Fair

IL1110050 ALGONQUIN WL00186 7/26/2006 CHLORIDE 27.2 MG/L 200000 Sand & Gravel 151 Fair

IL1110050 ALGONQUIN WL00186 7/18/2000 CHLORIDE 19.6 MG/L 200000 Sand & Gravel 151 Fair

IL1110050 ALGONQUIN WL00186 7/18/2000XYLENES,

TOTAL0.6 UG/L 10000 Sand & Gravel 151 Fair

IL1110100 CARY WL20141 Good

IL1110150 CRYSTAL LAKE WL00590 Good

IL1110150 CRYSTAL LAKE WL22148 11/18/2008 CHLORIDE 1.88 MG/L 200000 Cambrian/Ordovician 1300 Fair

IL1110150 CRYSTAL LAKE WL22148 12/12/2006 CHLORIDE 2.31 MG/L 200000 Cambrian/Ordovician 1300 Fair

IL1110150 CRYSTAL LAKE WL22148 11/20/2000 CHLORIDE 1.62 MG/L 200000 Cambrian/Ordovician 1300 Fair

IL1110150 CRYSTAL LAKE WL22148 11/22/2004 CHLORIDE 2 MG/L 200000 Cambrian/Ordovician 1300 Fair

IL1110150 CRYSTAL LAKE WL22148 11/18/2002 CHLORIDE 1.09 MG/L 200000 Cambrian/Ordovician 1300 Fair

IL1110150 CRYSTAL LAKE WL22148 11/18/2002 NITRATE 0.04 MG/L 10000 Cambrian/Ordovician 1300 Fair

IL1110250 HARVARD WL20202 6/12/2000 CHLORIDE 19.4 MG/L 200000 Sand & Gravel 197 Fair

IL1110250 HARVARD WL20202 6/7/2004 CHLORIDE 25.5 MG/L 200000 Sand & Gravel 197 Fair

IL1110250 HARVARD WL20202 3/18/2008 CHLORIDE 28 MG/L 200000 Sand & Gravel 197 Fair

IL1110250 HARVARD WL20202 3/14/2006 CHLORIDE 34 MG/L 200000 Sand & Gravel 197 Fair

IL1110250 HARVARD WL20202 3/12/2002

TRANS-1,2-

DICHLOROET

HYLENE

0.5 UG/L 100 Sand & Gravel 197 Fair

IL1110300 HEBRON WL20187 2/25/2008

1,1,1-

TRICHLOROE

THANE

2.13 UG/L 200 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/29/2000

1,1,1-

TRICHLOROE

THANE

11.8 UG/L 200 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 3/8/2004

1,1,1-

TRICHLOROE

THANE

3.09 UG/L 200 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/27/2006

1,1,1-

TRICHLOROE

THANE

2.81 UG/L 200 Sand & Gravel 278 Poor

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1110300 HEBRON WL20187 2/19/2002

1,1,1-

TRICHLOROE

THANE

7.8 UG/L 200 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/19/2002

1,2-

DICHLOROET

HANE

1.1 UG/L 5 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/29/2000 CHLORIDE 120 MG/L 200000 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/25/2008 CHLORIDE 220 MG/L 200000 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/27/2006 CHLORIDE 928 MG/L 200000 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/29/2000 NITRATE 3.1 MG/L 10000 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/19/2002TRICHLOROE

THYLENE4.8 UG/L 5 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/25/2008TRICHLOROE

THYLENE1.12 UG/L 5 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/29/2000TRICHLOROE

THYLENE1.4 UG/L 5 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 3/8/2004TRICHLOROE

THYLENE2.86 UG/L 5 Sand & Gravel 278 Poor

IL1110300 HEBRON WL20187 2/27/2006TRICHLOROE

THYLENE2.03 UG/L 5 Sand & Gravel 278 Poor

IL1110600 MC HENRY WL20207 4/5/2000 CHLORIDE 128 MG/L 200000 Sand & Gravel 60 Fair

IL1110600 MC HENRY WL20207 4/3/2001 CHLORIDE 153 MG/L 200000 Sand & Gravel 60 Fair

IL1110600 MC HENRY WL20207 4/2/2008 CHLORIDE 200 MG/L 200000 Sand & Gravel 60 Fair

IL1110600 MC HENRY WL20207 4/2/2002

METHYL

TERT-BUTYL

ETHER

0.7 UG/L 70 Sand & Gravel 60 Fair

IL1110600 MC HENRY WL20207 4/5/2000

METHYL

TERT-BUTYL

ETHER

1 UG/L 70 Sand & Gravel 60 Fair

IL1110600 MC HENRY WL20207 4/5/2000 NITRATE 0.02 MG/L 10000 Sand & Gravel 60 Fair

IL1110600 MC HENRY WL20207 4/3/2001 NITRATE 0.08 MG/L 10000 Sand & Gravel 60 Fair

IL1110600 MC HENRY WL20210 7/18/2000 CHLORIDE 20.6 MG/L 200000 Sand & Gravel 95 Fair

IL1110600 MC HENRY WL20210 7/16/2001 CHLORIDE 20 MG/L 200000 Sand & Gravel 95 Fair

IL1110600 MC HENRY WL20210 7/21/2008 CHLORIDE 50.4 MG/L 200000 Sand & Gravel 95 Fair

IL1110600 MC HENRY WL20210 7/16/2001 NITRATE 0.02 MG/L 10000 Sand & Gravel 95 Fair

IL1110600 MC HENRY WL20211 5/19/2008 CHLORIDE 52.3 MG/L 200000 Devonian/Silurian 131 Fair

IL1110600 MC HENRY WL20211 5/18/2004 CHLORIDE 59.8 MG/L 200000 Devonian/Silurian 131 Fair

IL1110900 UNION WL00276 Good

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1115125 OAKBROOK ESTS MHP WL20165 8/27/2001 CHLORIDE 208 MG/L 200000 Sand & Gravel 150 Poor

IL1115125 OAKBROOK ESTS MHP WL20165 8/27/2001 NITRATE 0.04 MG/L 10000 Sand & Gravel 150 Poor

IL1115125 OAKBROOK ESTS MHP WL20165 5/20/2003XYLENES,

TOTAL2.1 UG/L 10000 Sand & Gravel 150 Poor

IL1115300HIGHLAND SHORES

WTR CMPNYWL00595 Good

IL1115400UTL INC KILLARNEY

WTR CMPNYWL20156 12/17/2008 CHLORIDE 63.6 MG/L 200000 Mixed 335 Fair

IL1115400UTL INC KILLARNEY

WTR CMPNYWL20156 8/28/2000 CHLORIDE 42.4 MG/L 200000 Mixed 335 Fair

IL1115400UTL INC KILLARNEY

WTR CMPNYWL20156 9/6/2006 CHLORIDE 60.4 MG/L 200000 Mixed 335 Fair

IL1115400UTL INC KILLARNEY

WTR CMPNYWL20156 8/31/2004 CHLORIDE 54.8 MG/L 200000 Mixed 335 Fair

IL1115700UTL INC WHISPERING

HLS WTR COWL20180 Good

IL1115700UTL INC WHISPERING

HLS WTR COWL20181 9/21/2004 CHLORIDE 35.6 MG/L 200000 Devonian/Silurian 255 Fair

IL1115700UTL INC WHISPERING

HLS WTR COWL20181 9/18/2000 CHLORIDE 32 MG/L 200000 Devonian/Silurian 255 Fair

IL1115700UTL INC WHISPERING

HLS WTR COWL20181 9/15/2008 CHLORIDE 75.5 MG/L 200000 Devonian/Silurian 255 Fair

IL1115700UTL INC WHISPERING

HLS WTR COWL20183 3/15/2006 CHLORIDE 49.5 MG/L 200000 Sand & Gravel 202 Fair

IL1115700UTL INC WHISPERING

HLS WTR COWL20183 3/18/2008 CHLORIDE 66 MG/L 200000 Sand & Gravel 202 Fair

IL1115800UTL INC WALK-UP

WOODS WTR COWL20159 8/19/2008 CHLORIDE 4 MG/L 200000 Sand & Gravel 272 Fair

IL1115800UTL INC WALK-UP

WOODS WTR COWL20159 6/7/2004 CHLORIDE 40.9 MG/L 200000 Sand & Gravel 272 Fair

IL1115800UTL INC WALK-UP

WOODS WTR COWL20159 6/13/2006 CHLORIDE 44.5 MG/L 200000 Sand & Gravel 272 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1115800UTL INC WALK-UP

WOODS WTR COWL20159 8/19/2008 STYRENE 1.88 UG/L 100 Sand & Gravel 272 Fair

IL1130450 DANVERS WL47595 10/14/2008 CHLORIDE 33.6 MG/L 200000 Sand & Gravel 436 Fair

IL1130450 DANVERS WL47595 10/13/2000 CHLORIDE 30.9 MG/L 200000 Sand & Gravel 436 Fair

IL1130450 DANVERS WL47595 10/3/2006 CHLORIDE 30 MG/L 200000 Sand & Gravel 436 Fair

IL1130450 DANVERS WL47595 10/13/2004 CHLORIDE 35.1 MG/L 200000 Sand & Gravel 436 Fair

IL1130500 DOWNS WL47616 Good

IL1130750 LE ROY WL40024 Good

IL1130900 NORMAL WL45042 Good

IL1130900 NORMAL WL45045 Good

IL1131000 STANFORD WL47620 Good

IL1150450 OREANA WL47725 Good

IL1190050 ALHAMBRA WL00905 Good

IL1190150 BETHALTO WL60018 Good

IL1190200 EAST ALTON WL60058 Good

IL1190250 EDWARDSVILLE WL00334 6/3/2004 CHLORIDE 11.1 MG/L 200000 Sand & Gravel 117 Fair

IL1190250 EDWARDSVILLE WL00334 6/8/2000 CHLORIDE 7.94 MG/L 200000 Sand & Gravel 117 Fair

IL1190250 EDWARDSVILLE WL00334 5/29/2008 CHLORIDE 23.77 MG/L 200000 Sand & Gravel 117 Fair

IL1190250 EDWARDSVILLE WL00334 6/7/2006 CHLORIDE 16.7 MG/L 200000 Sand & Gravel 117 Fair

IL1190250 EDWARDSVILLE WL00334 6/8/2000 NITRATE 0.61 MG/L 10000 Sand & Gravel 117 Fair

IL1190250 EDWARDSVILLE WL60065 5/8/2008 CHLORIDE 38.05 MG/L 200000 Sand & Gravel 112 Poor

IL1190250 EDWARDSVILLE WL60065 5/26/2004 CHLORIDE 15.5 MG/L 200000 Sand & Gravel 112 Poor

IL1190250 EDWARDSVILLE WL60065 5/19/2006 CHLORIDE 17 MG/L 200000 Sand & Gravel 112 Poor

IL1190300 GLEN CARBON WL60089 Good

IL1194280 COLLINSVILLE WL60053 Good

IL1230050 HENRY WL31303 8/15/2000 CHLORIDE 14.9 MG/L 200000 Sand & Gravel 147 Poor

IL1230050 HENRY WL31303 8/1/2006 CHLORIDE 18.3 MG/L 200000 Sand & Gravel 147 Poor

IL1230050 HENRY WL31303 7/29/2008 CHLORIDE 20.6 MG/L 200000 Sand & Gravel 147 Poor

IL1230050 HENRY WL31303 8/15/2000 NITRATE 12 MG/L 10000 Sand & Gravel 147 Poor

IL1230100 LACON WL31307 2/1/2006 CHLORIDE 19.8 MG/L 200000 Sand & Gravel 50 Fair

IL1230100 LACON WL31307 1/29/2008 CHLORIDE 50 MG/L 200000 Sand & Gravel 50 Fair

IL1230150 LA ROSE WL31309 Good

IL1230200 SPARLAND WL31312 7/25/2000 CHLORIDE 34.7 MG/L 200000 Sand & Gravel 30 Fair

IL1230200 SPARLAND WL31312 7/11/2006 CHLORIDE 54.2 MG/L 200000 Sand & Gravel 30 Fair

IL1230200 SPARLAND WL31312 7/15/2008 CHLORIDE 96.7 MG/L 200000 Sand & Gravel 30 Fair

IL1230200 SPARLAND WL31312 7/25/2000 NITRATE 3.4 MG/L 10000 Sand & Gravel 30 Fair

IL1235125AUTUMN RIDGE

ESTATESWL11066 9/11/2000 CHLORIDE 13.5 MG/L 200000 Sand & Gravel 119 Poor

IL1235125AUTUMN RIDGE

ESTATESWL11066 9/3/2008 CHLORIDE 19 MG/L 200000 Sand & Gravel 119 Poor

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1235125AUTUMN RIDGE

ESTATESWL11066 8/23/2004 CHLORIDE 16 MG/L 200000 Sand & Gravel 119 Poor

IL1235125AUTUMN RIDGE

ESTATESWL11066 9/11/2000 NITRATE 12 MG/L 10000 Sand & Gravel 119 Poor

IL1250100 EASTON WL50370 Good

IL1250200 HAVANA WL50308 Good

IL1250350 MASON CITY WL50277 Good

IL1310200 MATHERSVILLE WL31820 Good

IL1310450 VIOLA WL31844 Good

IL1310500 NEW WINDSOR WL31848 Good

IL1330020FOUNTAIN WTR

DSTRCTWL00842 Good

IL1330200 MAEYSTOWN WL60127 2/28/2006 CHLORIDE 29.6 MG/L 200000 Sand & Gravel 59 Poor

IL1330200 MAEYSTOWN WL60127 2/29/2000 CHLORIDE 21.6 MG/L 200000 Sand & Gravel 59 Poor

IL1330200 MAEYSTOWN WL60127 4/8/2009 CHLORIDE 23.9 MG/L 200000 Sand & Gravel 59 Poor

IL1330200 MAEYSTOWN WL60127 4/7/2009 CHLORIDE 19 MG/L 200000 Sand & Gravel 59 Poor

IL1330200 MAEYSTOWN WL60127 2/22/2008 CHLORIDE 41 MG/L 200000 Sand & Gravel 59 Poor

IL1330200 MAEYSTOWN WL60127 4/8/2009 NITRATE 1.34 MG/L 10000 Sand & Gravel 59 Poor

IL1330200 MAEYSTOWN WL60127 2/28/2006 NITRATE 7.87 MG/L 10000 Sand & Gravel 59 Poor

IL1330200 MAEYSTOWN WL60127 2/29/2000 NITRATE 6.1 MG/L 10000 Sand & Gravel 59 Poor

IL1350200 FARMERSVILLE WL52095 Good

IL1350700 WAGGONER WL00140 9/28/2004 CHLORIDE 29 MG/L 200000 Sand & Gravel 59 Fair

IL1350700 WAGGONER WL00140 10/2/2001 CHLORIDE 24.1 MG/L 200000 Sand & Gravel 59 Fair

IL1350700 WAGGONER WL00140 9/29/2000 CHLORIDE 22.5 MG/L 200000 Sand & Gravel 59 Fair

IL1350700 WAGGONER WL00140 10/2/2006 CHLORIDE 28.4 MG/L 200000 Sand & Gravel 59 Fair

IL1350700 WAGGONER WL00141 Good

IL1370200 JACKSONVILLE WL52121 1/15/2008 CHLORIDE 33 MG/L 200000 Sand & Gravel 94 Fair

IL1370200 JACKSONVILLE WL52121 1/10/2006 CHLORIDE 12 MG/L 200000 Sand & Gravel 94 Fair

IL1370200 JACKSONVILLE WL52121 1/12/2000 CHLORIDE 25.9 MG/L 200000 Sand & Gravel 94 Fair

IL1370200 JACKSONVILLE WL52121 1/12/2000 NITRATE 1.15 MG/L 10000 Sand & Gravel 94 Fair

IL1370300 MEREDOSIA WL01416 Good

IL1370400 SOUTH JACKSONVILLE WL01463 Good

IL1390300 SULLIVAN WL00572 Good

IL1394040 ARTHUR WL01443 Good

IL1394040 ARTHUR WL40012 Good

IL1410100 BYRON WL11778 8/14/2001 CHLORIDE 9.64 MG/L 200000 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/2/2006 CHLORIDE 18.8 MG/L 200000 Cambrian/Ordovician 740 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1410100 BYRON WL11778 8/11/2008 CHLORIDE 17 MG/L 200000 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/16/2000 NITRATE 3 MG/L 10000 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/14/2001 NITRATE 3.6 MG/L 10000 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/2/2006

TETRACHLO

ROETHYLEN

E

0.69 UG/L 5 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/11/2008

TETRACHLO

ROETHYLEN

E

0.912 UG/L 5 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 10/4/2004TRICHLOROE

THYLENE0.9 UG/L 5 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/16/2000TRICHLOROE

THYLENE0.7 UG/L 5 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/14/2001TRICHLOROE

THYLENE0.7 UG/L 5 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/18/2004TRICHLOROE

THYLENE1.4 UG/L 5 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/2/2006TRICHLOROE

THYLENE1.84 UG/L 5 Cambrian/Ordovician 740 Fair

IL1410100 BYRON WL11778 8/11/2008TRICHLOROE

THYLENE1.28 UG/L 5 Cambrian/Ordovician 740 Fair

IL1410150 CRESTON WL11782 Good

IL1410300 LEAF RIVER WL11792 2/19/2008 CHLORIDE 6 MG/L 200000 Cambrian/Ordovician 487 Fair

IL1410300 LEAF RIVER WL11792 3/6/2000 CHLORIDE 2.93 MG/L 200000 Cambrian/Ordovician 487 Fair

IL1410300 LEAF RIVER WL11792 11/17/2004 CHLORIDE 3.26 MG/L 200000 Cambrian/Ordovician 487 Fair

IL1410300 LEAF RIVER WL11792 2/22/2006 CHLORIDE 3.68 MG/L 200000 Cambrian/Ordovician 487 Fair

IL1410300 LEAF RIVER WL11792 3/6/2000 NITRATE 4.7 MG/L 10000 Cambrian/Ordovician 487 Fair

IL1410500 ROCHELLE WL01537 Good

IL1415050 WOODLAWN UTL CORP WL11846 Good

IL1415250 KNOLLS EDGE SBDV WL11831 Good

IL1430200 CHILLICOTHE WL50391 Good

IL1430300 ELMWOOD WL01122 Good

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1430300 ELMWOOD WL50351 Good

IL1430350 GLASFORD WL50331 11/1/2006 CHLORIDE 611 MG/L 200000 Devonian/Silurian 870 Fair

IL1430350 GLASFORD WL50331 10/27/2004 CHLORIDE 664 MG/L 200000 Devonian/Silurian 870 Fair

IL1430350 GLASFORD WL50331 11/21/2008 CHLORIDE 670 MG/L 200000 Devonian/Silurian 870 Fair

IL1430750 PRINCEVILLE WL50138 10/4/2000 CHLORIDE 293 MG/L 200000 Cambrian/Ordovician 1680 Fair

IL1430750 PRINCEVILLE WL50138 9/24/2001 CHLORIDE 171 MG/L 200000 Cambrian/Ordovician 1680 Fair

IL1430750 PRINCEVILLE WL50138 10/3/2006 CHLORIDE 147 MG/L 200000 Cambrian/Ordovician 1680 Fair

IL1430750 PRINCEVILLE WL50138 10/8/2008 CHLORIDE 183 MG/L 200000 Cambrian/Ordovician 1680 Fair

IL1430750 PRINCEVILLE WL50138 10/7/2004XYLENES,

TOTAL1.48 UG/L 10000 Cambrian/Ordovician 1680 Fair

IL1434750 PEORIA HEIGHTS WL50194 3/1/2000 CHLORIDE 23.7 MG/L 200000 Sand & Gravel 128 Fair

IL1434750 PEORIA HEIGHTS WL50194 2/27/2008 CHLORIDE 38 MG/L 200000 Sand & Gravel 128 Fair

IL1434750 PEORIA HEIGHTS WL50194 2/22/2006 CHLORIDE 34.8 MG/L 200000 Sand & Gravel 128 Fair

IL1434750 PEORIA HEIGHTS WL50198 Good

IL1435030 IL AMERICAN - PEORIA WL01137 Good

IL1435470PLEASANT VALLEY

PWDWL00310 4/13/2006 CHLORIDE 63.2 MG/L 200000 Sand & Gravel 135 Fair

IL1435470PLEASANT VALLEY

PWDWL00310 4/1/2008 CHLORIDE 71 MG/L 200000 Sand & Gravel 135 Fair

IL1435470PLEASANT VALLEY

PWDWL00310 4/25/2000 CHLORIDE 60.6 MG/L 200000 Sand & Gravel 135 Fair

IL1435470PLEASANT VALLEY

PWDWL00310 4/25/2000 NITRATE 2.2 MG/L 10000 Sand & Gravel 135 Fair

IL1470050 BEMENT WL47711 Good

IL1470200 DE LAND WL45024 Good

IL1490100 BAYLIS WL52062 Good

IL1490350 HULL WL01187 Good

IL1490550 NEW CANTON WL50215 8/2/2000 CHLORIDE 17.1 MG/L 200000 Sand & Gravel 54 Fair

IL1490550 NEW CANTON WL50215 8/3/2006 CHLORIDE 16.5 MG/L 200000 Sand & Gravel 54 Fair

IL1490550 NEW CANTON WL50215 7/23/2008 CHLORIDE 20.1 MG/L 200000 Sand & Gravel 54 Fair

IL1490550 NEW CANTON WL50215 8/2/2000 NITRATE 2.4 MG/L 10000 Sand & Gravel 54 Fair

IL1515050 MILLSTONE PWD WL00757 Good

IL1530250 OLMSTED WL71100 Good

IL1550300 STANDARD WL11600 Good

IL1555100 HENNEPIN PWD WL11603 8/1/2006 CHLORIDE 19.5 MG/L 200000 Sand & Gravel 107 Fair

IL1555100 HENNEPIN PWD WL11603 7/29/2008 CHLORIDE 23.8 MG/L 200000 Sand & Gravel 107 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1555100 HENNEPIN PWD WL11603 10/28/2008 NITRATE 6.23 MG/L 10000 Sand & Gravel 107 Fair

IL1555100 HENNEPIN PWD WL11603 10/25/2005 NITRATE 7.6 MG/L 10000 Sand & Gravel 107 Fair

IL1555100 HENNEPIN PWD WL11603 8/15/2000 NITRATE 6.2 MG/L 10000 Sand & Gravel 107 Fair

IL1555100 HENNEPIN PWD WL11603 10/28/2008

TETRACHLO

ROETHYLEN

E

4.47 UG/L 5 Sand & Gravel 107 Fair

IL1570550 RUMA WL60171 9/22/2004 CHLORIDE 22.8 MG/L 200000Pennsylvanian/Mississi

ppian315 Fair

IL1570550 RUMA WL60171 9/15/2006 CHLORIDE 24.2 MG/L 200000Pennsylvanian/Mississi

ppian315 Fair

IL1570550 RUMA WL60171 9/19/2008 CHLORIDE 22.9 MG/L 200000Pennsylvanian/Mississi

ppian315 Fair

IL1570550 RUMA WL60171 9/15/2006 TOLUENE 2.83 UG/L 1000Pennsylvanian/Mississi

ppian315 Fair

IL1610400 MILAN WL31860 6/5/2006 CHLORIDE 55.1 MG/L 200000 Devonian/Silurian 453 Poor

IL1610400 MILAN WL31860 6/2/2008 CHLORIDE 187.31 MG/L 200000 Devonian/Silurian 453 Poor

IL1610400 MILAN WL31860 6/1/2004 CHLORIDE 44.1 MG/L 200000 Devonian/Silurian 453 Poor

IL1610400 MILAN WL31860 6/5/2000 CHLORIDE 28.2 MG/L 200000 Devonian/Silurian 453 Poor

IL1610700 SILVIS WL31873 Good

IL1610700 SILVIS WL31875 Good

IL1614260 COAL VALLEY WL31853 Good

IL1615120 CHERRY DALE SBDV WL31881 1/19/2000 CHLORIDE 1.77 MG/L 200000 Devonian/Silurian 547 Fair

IL1615120 CHERRY DALE SBDV WL31881 1/19/2000 NITRATE 0.04 MG/L 10000 Devonian/Silurian 547 Fair

IL1615130 WATER WERKS WL31937 Fair

IL1615170CEDAR BROOK ESTS

SBDVWL31879 Good

IL1615250CROPPERS 1ST 4TH &

5TH ADDNWL31889 3/6/2006 CHLORIDE 1.7 MG/L 200000 Devonian/Silurian 509 Fair

IL1615250CROPPERS 1ST 4TH &

5TH ADDNWL31889 3/10/2008 CHLORIDE 0.9 MG/L 200000 Devonian/Silurian 509 Fair

IL1615250CROPPERS 1ST 4TH &

5TH ADDNWL31889 3/28/2000 CHLORIDE 2.38 MG/L 200000 Devonian/Silurian 509 Fair

IL1615250CROPPERS 1ST 4TH &

5TH ADDNWL31889 3/12/2001 CHLORIDE 3.41 MG/L 200000 Devonian/Silurian 509 Fair

IL1615750SILVIS HEIGHTS WTR

CORPWL31930 7/14/2008 CHLORIDE 4.54 MG/L 200000 Devonian/Silurian 554 Fair

IL1615750SILVIS HEIGHTS WTR

CORPWL31930 8/8/2006 CHLORIDE 2.12 MG/L 200000 Devonian/Silurian 554 Fair

IL1615750SILVIS HEIGHTS WTR

CORPWL31930 7/24/2000 CHLORIDE 2.9 MG/L 200000 Devonian/Silurian 554 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1615750SILVIS HEIGHTS WTR

CORPWL31930 7/14/2008

ETHYLBENZE

NE0.749 UG/L 700 Devonian/Silurian 554 Fair

IL1615750SILVIS HEIGHTS WTR

CORPWL31930 8/12/2008

XYLENES,

TOTAL2.043 UG/L 10000 Devonian/Silurian 554 Fair

IL1615750SILVIS HEIGHTS WTR

CORPWL31930 7/14/2008

XYLENES,

TOTAL3.39 UG/L 10000 Devonian/Silurian 554 Fair

IL1617635 FALCON FARMS WL31102 Good

IL1670400 DAWSON WL01455 Good

IL1675350CURRAN-GARDNER

TWSP PWDWL50003 7/8/2008 CHLORIDE 30.3 MG/L 200000 Sand & Gravel 55 Fair

IL1675350CURRAN-GARDNER

TWSP PWDWL50003 6/23/2006 CHLORIDE 35.8 MG/L 200000 Sand & Gravel 55 Fair

IL1690200 RUSHVILLE WL01118 Good

IL1710350 WINCHESTER WL00117 1/15/2008 CHLORIDE 18 MG/L 200000 Sand & Gravel 65 Fair

IL1710350 WINCHESTER WL00117 1/10/2006 CHLORIDE 14.4 MG/L 200000 Sand & Gravel 65 Fair

IL1710350 WINCHESTER WL00117 1/12/2000 CHLORIDE 11.6 MG/L 200000 Sand & Gravel 65 Fair

IL1710350 WINCHESTER WL00117 1/12/2000 NITRATE 4.4 MG/L 10000 Sand & Gravel 65 Fair

IL1730200 MOWEAQUA WL00885 5/14/2008 CHLORIDE 17.66 MG/L 200000 Sand & Gravel 66 Fair

IL1730200 MOWEAQUA WL00885 5/30/2000 CHLORIDE 12.8 MG/L 200000 Sand & Gravel 66 Fair

IL1730200 MOWEAQUA WL00885 5/11/2004 CHLORIDE 14.9 MG/L 200000 Sand & Gravel 66 Fair

IL1730200 MOWEAQUA WL00885 5/11/2006 CHLORIDE 15.7 MG/L 200000 Sand & Gravel 66 Fair

IL1730200 MOWEAQUA WL00885 5/30/2000 NITRATE 9.8 MG/L 10000 Sand & Gravel 66 Fair

IL1730300 SHELBYVILLE WL47774 1/16/2008 CHLORIDE 13 MG/L 200000 Sand & Gravel 63 Poor

IL1730300 SHELBYVILLE WL47774 1/19/2006 CHLORIDE 17 MG/L 200000 Sand & Gravel 63 Poor

IL1730300 SHELBYVILLE WL47774 1/25/2000 CHLORIDE 19.2 MG/L 200000 Sand & Gravel 63 Poor

IL1730300 SHELBYVILLE WL47774 1/25/2000 NITRATE 13 MG/L 10000 Sand & Gravel 63 Poor

IL1730350 SIGEL WL47776 Good

IL1730500 TOWER HILL WL45184 Good

IL1750050 BRADFORD WL31351 Good

IL1770050 CEDARVILLE WL11848 Good

IL1770150 DAVIS WL11856 3/27/2006 CHLORIDE 9.09 MG/L 200000 Cambrian/Ordovician 284 Fair

IL1770150 DAVIS WL11856 3/25/2008 CHLORIDE 7.3 MG/L 200000 Cambrian/Ordovician 284 Fair

IL1770150 DAVIS WL11856 8/22/2000 CHLORIDE 9.04 MG/L 200000 Cambrian/Ordovician 284 Fair

IL1770150 DAVIS WL11856 8/22/2000 NITRATE 7.7 MG/L 10000 Cambrian/Ordovician 284 Fair

IL1770300 LENA WL11872 Good

IL1770350 ORANGEVILLE WL11876 Good

IL1770550 WINSLOW WL11891 Good

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1790100 CREVE COEUR WL50383 11/2/2005 CHLORIDE 71 MG/L 200000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 5/2/2001 CHLORIDE 70.3 MG/L 200000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 11/2/2005 CHLORIDE 72.2 MG/L 200000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 4/27/2006 CHLORIDE 82.9 MG/L 200000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 5/5/2000 CHLORIDE 55.2 MG/L 200000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 4/16/2008 CHLORIDE 94 MG/L 200000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 5/5/2000 NITRATE 1.48 MG/L 10000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 11/2/2005 NITRATE 2.38 MG/L 10000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 5/2/2001 NITRATE 0.37 MG/L 10000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 10/17/2002 NITRATE 2.8 MG/L 10000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 11/14/2002 NITRATE 2.8 MG/L 10000 Sand & Gravel 78 Fair

IL1790100 CREVE COEUR WL50383 10/4/2002 NITRATE 2.7 MG/L 10000 Sand & Gravel 78 Fair

IL1790150 DELAVAN WL50373 Good

IL1790150 DELAVAN WL50375 Good

IL1790200 EAST PEORIA WL01004 6/2/2008 CHLORIDE 73.2 MG/L 200000 Sand & Gravel 115 Fair

IL1790200 EAST PEORIA WL01004 4/10/2000 NITRATE 2.7 MG/L 10000 Sand & Gravel 115 Fair

IL1790200 EAST PEORIA WL01004 4/22/2002 NITRATE 3.3 MG/L 10000 Sand & Gravel 115 Fair

IL1790200 EAST PEORIA WL01004 5/29/2001

TETRACHLO

ROETHYLEN

E

0.7 UG/L 5 Sand & Gravel 115 Fair

IL1790200 EAST PEORIA WL01004 2/28/2000

TETRACHLO

ROETHYLEN

E

2.1 UG/L 5 Sand & Gravel 115 Fair

IL1790200 EAST PEORIA WL01004 2/19/2001

TETRACHLO

ROETHYLEN

E

1 UG/L 5 Sand & Gravel 115 Fair

IL1790300 HOPEDALE WL50304 Good

IL1790500 MORTON WL50228 Good

IL1790650 SOUTH PEKIN WL50099 3/26/2008 CHLORIDE 12 MG/L 200000 Sand & Gravel 117 Fair

IL1790650 SOUTH PEKIN WL50099 4/20/2000 CHLORIDE 11.6 MG/L 200000 Sand & Gravel 117 Fair

IL1790650 SOUTH PEKIN WL50099 4/13/2006 CHLORIDE 16.4 MG/L 200000 Sand & Gravel 117 Fair

IL1790650 SOUTH PEKIN WL50099 4/20/2000 NITRATE 4.9 MG/L 10000 Sand & Gravel 117 Fair

IL1794320 DEER CREEK WL50376 Good

IL1794320 DEER CREEK WL50377 Good

IL1795040 IL AMERICAN - PEKIN WL50057 10/21/2004 CHLORIDE 75.6 MG/L 200000 Sand & Gravel 91 Poor

IL1795040 IL AMERICAN - PEKIN WL50057 10/27/2008 CHLORIDE 85 MG/L 200000 Sand & Gravel 91 Poor

IL1795040 IL AMERICAN - PEKIN WL50057 10/30/2001 CHLORIDE 98.2 MG/L 200000 Sand & Gravel 91 Poor

IL1795040 IL AMERICAN - PEKIN WL50057 11/13/2002 CHLORIDE 86.5 MG/L 200000 Sand & Gravel 91 Poor

IL1795040 IL AMERICAN - PEKIN WL50057 10/30/2001 NITRATE 1.52 MG/L 10000 Sand & Gravel 91 Poor

IL1795040 IL AMERICAN - PEKIN WL50057 11/13/2002 NITRATE 2.73 MG/L 10000 Sand & Gravel 91 Poor

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1795040 IL AMERICAN - PEKIN WL50057 11/13/2002

TETRACHLO

ROETHYLEN

E

0.5 UG/L 5 Sand & Gravel 91 Poor

IL1795040 IL AMERICAN - PEKIN WL50057 10/21/2004

TETRACHLO

ROETHYLEN

E

0.57 UG/L 5 Sand & Gravel 91 Poor

IL1795040 IL AMERICAN - PEKIN WL50060 10/15/2001 CHLORIDE 146 MG/L 200000 Sand & Gravel 148 Fair

IL1795040 IL AMERICAN - PEKIN WL50060 10/25/2000 CHLORIDE 154 MG/L 200000 Sand & Gravel 148 Fair

IL1795040 IL AMERICAN - PEKIN WL50060 10/16/2008 CHLORIDE 133 MG/L 200000 Sand & Gravel 148 Fair

IL1795040 IL AMERICAN - PEKIN WL50060 10/12/2006 CHLORIDE 130 MG/L 200000 Sand & Gravel 148 Fair

IL1795040 IL AMERICAN - PEKIN WL50060 10/23/2002 CHLORIDE 85.8 MG/L 200000 Sand & Gravel 148 Fair

IL1795040 IL AMERICAN - PEKIN WL50060 10/21/2004 CHLORIDE 126 MG/L 200000 Sand & Gravel 148 Fair

IL1795040 IL AMERICAN - PEKIN WL50060 10/23/2002 NITRATE 4.04 MG/L 10000 Sand & Gravel 148 Fair

IL1795040 IL AMERICAN - PEKIN WL50060 10/25/2000 NITRATE 4.4 MG/L 10000 Sand & Gravel 148 Fair

IL1795040 IL AMERICAN - PEKIN WL50060 10/15/2001 NITRATE 4 MG/L 10000 Sand & Gravel 148 Fair

IL1795300HOLLANDS GROVE

COURT SBDVWL50064 Good

IL1795730LAKE WINDERMERE

ESTS SBDVWL50055 Good

IL1795780NORTH TAZEWELL

PWDWL50051 Good

IL1815050ANNA-JONESBORO

WTR CMSNWL71354 Good

IL1830050 ALVIN WL47700 Good

IL1830850 SIDELL WL47692 2/14/2006 CHLORIDE 15.8 MG/L 200000 Sand & Gravel 28 Fair

IL1830850 SIDELL WL47692 3/20/2008 CHLORIDE 17 MG/L 200000 Sand & Gravel 28 Fair

IL1830850 SIDELL WL47692 3/3/2000 CHLORIDE 5.99 MG/L 200000 Sand & Gravel 28 Fair

IL1830850 SIDELL WL47692 3/3/2000 NITRATE 4.6 MG/L 10000 Sand & Gravel 28 Fair

IL1834020 ALLERTON WL00810 Good

IL1850050 ALLENDALE WL71412 Good

IL1870100 LITTLE YORK WL58037 7/25/2000 CHLORIDE 152 MG/L 200000 Mixed 872 Fair

IL1870100 LITTLE YORK WL58037 6/21/2006 CHLORIDE 267 MG/L 200000 Mixed 872 Fair

IL1874000 ALEXIS WL52025 Good

IL1910050 CISNE WL71490 Good

IL1910350 MOUNT ERIE WL71531 Good

IL1930100 CARMI WL71572 11/14/2008 CHLORIDE 11.1 MG/L 200000 Sand & Gravel 93 Fair

IL1930100 CARMI WL71572 11/23/2004 CHLORIDE 11.5 MG/L 200000 Sand & Gravel 93 Fair

IL1930100 CARMI WL71572 11/14/2002 CHLORIDE 8.67 MG/L 200000 Sand & Gravel 93 Fair

IL1930100 CARMI WL71572 11/14/2002 NITRATE 7.91 MG/L 10000 Sand & Gravel 93 Fair

IL1934460 GRAYVILLE WL01070 Good

IL1950050 ALBANY WL11894 1/10/2006 CHLORIDE 17.7 MG/L 200000 Sand & Gravel 88 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1950050 ALBANY WL11894 1/8/2008 CHLORIDE 8 MG/L 200000 Sand & Gravel 88 Fair

IL1950050 ALBANY WL11894 1/18/2000 CHLORIDE 11.9 MG/L 200000 Sand & Gravel 88 Fair

IL1950050 ALBANY WL11894 1/18/2000 NITRATE 3.5 MG/L 10000 Sand & Gravel 88 Fair

IL1950200 ERIE WL11892 3/6/2006 CHLORIDE 9.42 MG/L 200000 Devonian/Silurian 567 Fair

IL1950200 ERIE WL11892 3/28/2000 CHLORIDE 11 MG/L 200000 Devonian/Silurian 567 Fair

IL1950200 ERIE WL11892 3/13/2001 CHLORIDE 9.3 MG/L 200000 Devonian/Silurian 567 Fair

IL1950200 ERIE WL11892 3/28/2000 NITRATE 0.04 MG/L 10000 Devonian/Silurian 567 Fair

IL1950200 ERIE WL11892 2/21/2006 NITRATE 0.034 MG/L 10000 Devonian/Silurian 567 Fair

IL1950200 ERIE WL11892 3/4/2009 NITRATE 0.045 MG/L 10000 Devonian/Silurian 567 Fair

IL1950300 LYNDON WL11904 3/6/2000 CHLORIDE 2.36 MG/L 200000 Cambrian/Ordovician 820 Poor

IL1950300 LYNDON WL11904 2/22/2006 CHLORIDE 2.94 MG/L 200000 Cambrian/Ordovician 820 Poor

IL1950300 LYNDON WL11904 2/20/2008 CHLORIDE 8.3 MG/L 200000 Cambrian/Ordovician 820 Poor

IL1950300 LYNDON WL11905 10/24/2006 CHLORIDE 2.65 MG/L 200000 Mixed 767 Poor

IL1950300 LYNDON WL11905 10/26/2004 CHLORIDE 2.44 MG/L 200000 Mixed 767 Poor

IL1950300 LYNDON WL11905 10/21/2008 CHLORIDE 2.12 MG/L 200000 Mixed 767 Poor

IL1950300 LYNDON WL11905 11/13/2000 CHLORIDE 6.18 MG/L 200000 Mixed 767 Poor

IL1950350 MORRISON WL11910 Good

IL1950400 PROPHETSTOWN WL11914 Good

IL1970100IL AMERICAN - HOMER

TOWNSHIPWL20425 Good

IL1970100IL AMERICAN - HOMER

TOWNSHIPWL20445 6/22/2006 CHLORIDE 50.7 MG/L 200000 Devonian/Silurian 300 Fair

IL1970100IL AMERICAN - HOMER

TOWNSHIPWL20445 6/6/2008 CHLORIDE 56.04 MG/L 200000 Devonian/Silurian 300 Fair

IL1970150 BRAIDWOOD WL20361 9/24/2004 CHLORIDE 210 MG/L 200000 Cambrian/Ordovician 1733 Poor

IL1970150 BRAIDWOOD WL20361 9/12/2006 CHLORIDE 284 MG/L 200000 Cambrian/Ordovician 1733 Poor

IL1970150 BRAIDWOOD WL20361 9/25/2008 CHLORIDE 254 MG/L 200000 Cambrian/Ordovician 1733 Poor

IL1970200 CHANNAHON WL20357 11/13/2008 CHLORIDE 57.6 MG/L 200000 Cambrian/Ordovician 765 Fair

IL1970200 CHANNAHON WL20357 11/30/2000 CHLORIDE 60.4 MG/L 200000 Cambrian/Ordovician 765 Fair

IL1970200 CHANNAHON WL20357 11/16/2004 CHLORIDE 57.2 MG/L 200000 Cambrian/Ordovician 765 Fair

IL1970200 CHANNAHON WL20357 12/3/2002 CHLORIDE 52.9 MG/L 200000 Cambrian/Ordovician 765 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1970200 CHANNAHON WL20357 11/21/2001 CHLORIDE 64.7 MG/L 200000 Cambrian/Ordovician 765 Fair

IL1970250 CREST HILL WL01050 Good

IL1970250 CREST HILL WL20447 10/21/2004 CHLORIDE 88.4 MG/L 200000 Devonian/Silurian 303 Poor

IL1970250 CREST HILL WL20447 5/1/2001 CHLORIDE 60.3 MG/L 200000 Devonian/Silurian 303 Poor

IL1970250 CREST HILL WL20447 7/11/2000 CHLORIDE 46.2 MG/L 200000 Devonian/Silurian 303 Poor

IL1970250 CREST HILL WL20447 5/13/2004 CHLORIDE 105 MG/L 200000 Devonian/Silurian 303 Poor

IL1970250 CREST HILL WL20447 5/1/2008 CHLORIDE 223.02 MG/L 200000 Devonian/Silurian 303 Poor

IL1970250 CREST HILL WL20447 5/1/2001 NITRATE 0.23 MG/L 10000 Devonian/Silurian 303 Poor

IL1970250 CREST HILL WL20447 7/11/2000 NITRATE 0.23 MG/L 10000 Devonian/Silurian 303 Poor

IL1970300 CRETE WL20460 Good

IL1970400 FRANKFORT WL20328 Good

IL1970400 FRANKFORT WL20329 6/9/2004 CHLORIDE 19.4 MG/L 200000 Mixed 505 Fair

IL1970400 FRANKFORT WL20329 2/28/2008 CHLORIDE 180 MG/L 200000 Mixed 505 Fair

IL1970400 FRANKFORT WL20329 3/15/2000 CHLORIDE 21.2 MG/L 200000 Mixed 505 Fair

IL1970400 FRANKFORT WL20329 3/1/2006 CHLORIDE 32.3 MG/L 200000 Mixed 505 Fair

IL1970400 FRANKFORT WL20442 Good

IL1970600 MOKENA WL00152 5/1/2008 CHLORIDE 17.96 MG/L 200000 Devonian/Silurian 355 Fair

IL1970600 MOKENA WL00152 5/17/2000 CHLORIDE 24.9 MG/L 200000 Devonian/Silurian 355 Fair

IL1970600 MOKENA WL00152 5/4/2006 CHLORIDE 19.8 MG/L 200000 Devonian/Silurian 355 Fair

IL1970600 MOKENA WL00152 5/12/2004 CHLORIDE 18.4 MG/L 200000 Devonian/Silurian 355 Fair

IL1970600 MOKENA WL20389 8/21/2001 CHLORIDE 6.7 MG/L 200000 Devonian/Silurian 420 Fair

IL1970600 MOKENA WL20389 8/15/2006 CHLORIDE 2.2 MG/L 200000 Devonian/Silurian 420 Fair

IL1970600 MOKENA WL20389 8/5/2004 CHLORIDE 3.09 MG/L 200000 Devonian/Silurian 420 Fair

IL1970600 MOKENA WL20389 8/14/2008 CHLORIDE 1.98 MG/L 200000 Devonian/Silurian 420 Fair

IL1970600 MOKENA WL20389 10/4/2000 CHLORIDE 6.35 MG/L 200000 Devonian/Silurian 420 Fair

IL1970600 MOKENA WL20389 8/21/2001 NITRATE 0.04 MG/L 10000 Devonian/Silurian 420 Fair

IL1970750 PEOTONE WL20436 Good

IL1970850 ROCKDALE WL00176 2/6/2008 CHLORIDE 51 MG/L 200000 Devonian/Silurian 285 Poor

IL1970850 ROCKDALE WL00176 3/14/2001 CHLORIDE 113 MG/L 200000 Devonian/Silurian 285 Poor

IL1970850 ROCKDALE WL00176 2/2/2006 CHLORIDE 451 MG/L 200000 Devonian/Silurian 285 Poor

IL1970900 ROMEOVILLE WL22126 11/25/2008 CHLORIDE 199 MG/L 200000 Devonian/Silurian 156 Fair

IL1970900 ROMEOVILLE WL22126 12/5/2002 CHLORIDE 79.6 MG/L 200000 Devonian/Silurian 156 Fair

IL1970900 ROMEOVILLE WL22126 11/29/2006 CHLORIDE 122 MG/L 200000 Devonian/Silurian 156 Fair

IL1970900 ROMEOVILLE WL22126 12/8/2004 CHLORIDE 99 MG/L 200000 Devonian/Silurian 156 Fair

IL1970900 ROMEOVILLE WL22126 12/5/2002 NITRATE 1.6 MG/L 10000 Devonian/Silurian 156 Fair

IL1970900 ROMEOVILLE WL22128 3/1/2006 CHLORIDE 652 MG/L 200000 Mixed 250 Poor

IL1970900 ROMEOVILLE WL22128 2/28/2008 CHLORIDE 39 MG/L 200000 Mixed 250 Poor

IL1975030AQUA ILLINOIS -

UNIVERSITY PARWL20455 Good

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL1975030AQUA ILLINOIS -

UNIVERSITY PARWL20458 Good

IL1975080 SHOREWOOD WL00641 Good

IL1975200UTL INC CAMELOT UTL

INCWL20795 Good

IL1975210IL AMERICAN -

CENTRAL STATESWL20354 6/19/2008 CHLORIDE 17.48 MG/L 200000 Devonian/Silurian 260 Fair

IL1975210IL AMERICAN -

CENTRAL STATESWL20354 7/13/2000 CHLORIDE 12.1 MG/L 200000 Devonian/Silurian 260 Fair

IL1975280UTL INC CHERRY HILL

WTR CMPNYWL20330 12/18/2002 CHLORIDE 87.8 MG/L 200000 Devonian/Silurian 192 Fair

IL1975280UTL INC CHERRY HILL

WTR CMPNYWL20330 1/28/2009 CHLORIDE 132 MG/L 200000 Devonian/Silurian 192 Fair

IL1975280UTL INC CHERRY HILL

WTR CMPNYWL20330 12/14/2004 CHLORIDE 59.2 MG/L 200000 Devonian/Silurian 192 Fair

IL1975280UTL INC CHERRY HILL

WTR CMPNYWL20330 12/20/2000 CHLORIDE 94.6 MG/L 200000 Devonian/Silurian 192 Fair

IL1975280UTL INC CHERRY HILL

WTR CMPNYWL20330 12/20/2000 NITRATE 0.02 MG/L 10000 Devonian/Silurian 192 Fair

IL1975280UTL INC CHERRY HILL

WTR CMPNYWL20330 12/18/2002 NITRATE 0.09 MG/L 10000 Devonian/Silurian 192 Fair

IL1975400 COLLEGE VIEW SBDV WL20403 12/14/2004 CHLORIDE 38.1 MG/L 200000 Devonian/Silurian 327 Fair

IL1975400 COLLEGE VIEW SBDV WL20403 12/17/2002 CHLORIDE 20.3 MG/L 200000 Devonian/Silurian 327 Fair

IL1975400 COLLEGE VIEW SBDV WL20403 12/17/2002 NITRATE 0.04 MG/L 10000 Devonian/Silurian 327 Fair

IL1975640EAST MORELAND WTR

CORPWL20415 12/20/2000 CHLORIDE 95 MG/L 200000 Devonian/Silurian 157 Fair

IL1975640EAST MORELAND WTR

CORPWL20415 1/28/2009 CHLORIDE 11.6 MG/L 200000 Devonian/Silurian 157 Fair

IL1975640EAST MORELAND WTR

CORPWL20415 12/17/2002 CHLORIDE 101 MG/L 200000 Devonian/Silurian 157 Fair

IL1975640EAST MORELAND WTR

CORPWL20415 12/14/2004 CHLORIDE 91 MG/L 200000 Devonian/Silurian 157 Fair

IL1975640EAST MORELAND WTR

CORPWL20415 12/20/2000 NITRATE 0.06 MG/L 10000 Devonian/Silurian 157 Fair

IL1975640EAST MORELAND WTR

CORPWL20415 12/17/2002 NITRATE 0.05 MG/L 10000 Devonian/Silurian 157 Fair

IL1975880 INGALLS PK SBDV WL20412 5/23/2006 CHLORIDE 219 MG/L 200000 Devonian/Silurian 305 Poor

IL1975880 INGALLS PK SBDV WL20412 5/12/2008 CHLORIDE 252.96 MG/L 200000 Devonian/Silurian 305 Poor

IL1975880 INGALLS PK SBDV WL20412 6/9/2004 CHLORIDE 150 MG/L 200000 Devonian/Silurian 305 Poor

IL2010050 CHERRY VALLEY WL00133 Good

IL2010300 ROCKFORD WL11621 Good

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL2010300 ROCKFORD WL11629 Good

IL2010300 ROCKFORD WL11636 Good

IL2010300 ROCKFORD WL11640 Good

IL2010300 ROCKFORD WL11649 Good

IL2010500 WINNEBAGO WL11669 Good

IL2015050 BRADLEY HTS SBDV WL11674 Good

IL2015160UTL INC COVENTRY

CREEK SBDVWL11678 Good

IL2015225 ANNS MHP WL11122 9/24/2008 CHLORIDE 978 MG/L 200000 Sand & Gravel 150 Fair

IL2015225 ANNS MHP WL11122 12/18/2000 CHLORIDE 55.6 MG/L 200000 Sand & Gravel 150 Fair

IL2015225 ANNS MHP WL11122 10/17/2006 CHLORIDE 83.1 MG/L 200000 Sand & Gravel 150 Fair

IL2015225 ANNS MHP WL11122 9/14/2004 CHLORIDE 64.4 MG/L 200000 Sand & Gravel 150 Fair

IL2015225 ANNS MHP WL11122 12/18/2000 NITRATE 7.9 MG/L 10000 Sand & Gravel 150 Fair

IL2015345 BILL-MAR HTS MHP WL11128 2/7/2000

1,1,1-

TRICHLOROE

THANE

0.8 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 11/25/2002

1,1,1-

TRICHLOROE

THANE

0.7 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 2/17/2003

1,1,1-

TRICHLOROE

THANE

0.7 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 6/14/2004

1,1,1-

TRICHLOROE

THANE

0.8 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 9/7/2004

1,1,1-

TRICHLOROE

THANE

0.76 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 8/2/2006

1,1,1-

TRICHLOROE

THANE

0.62 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 10/29/2001

1,1,1-

TRICHLOROE

THANE

0.7 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 10/16/2000

1,1,1-

TRICHLOROE

THANE

1.2 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/26/2010

1,1,1-

TRICHLOROE

THANE

0.671 UG/L 200 Cambrian/Ordovician 245 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL2015345 BILL-MAR HTS MHP WL11128 2/5/2002

1,1,1-

TRICHLOROE

THANE

0.8 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 3/1/2006

1,1,1-

TRICHLOROE

THANE

0.58 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/28/2004

1,1,1-

TRICHLOROE

THANE

0.6 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 3/15/2004

1,1,1-

TRICHLOROE

THANE

0.62 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 12/15/2003

1,1,1-

TRICHLOROE

THANE

0.6 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 9/2/2003

1,1,1-

TRICHLOROE

THANE

0.6 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 3/21/2005

1,1,1-

TRICHLOROE

THANE

0.88 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/31/2006

1,1,1-

TRICHLOROE

THANE

0.64 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 5/30/2005

1,1,1-

TRICHLOROE

THANE

0.61 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 2/5/2008

1,1,1-

TRICHLOROE

THANE

0.523 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 11/15/2005

1,1,1-

TRICHLOROE

THANE

0.61 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 9/6/2005

1,1,1-

TRICHLOROE

THANE

0.64 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 5/15/2006

1,1,1-

TRICHLOROE

THANE

0.58 UG/L 200 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 2/5/2008 CHLORIDE 75 MG/L 200000 Cambrian/Ordovician 245 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL2015345 BILL-MAR HTS MHP WL11128 1/31/2006 CHLORIDE 74.1 MG/L 200000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 2/7/2000 CHLORIDE 61.9 MG/L 200000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 2/5/2001 NITRATE 5.4 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 11/19/2001 NITRATE 5.4 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 5/1/2000 NITRATE 5.7 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/15/2007 NITRATE 5.37 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 4/16/2008 NITRATE 6.6 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 11/28/2006 NITRATE 5.44 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 5/1/2001 NITRATE 5.8 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 2/1/2000 NITRATE 5.7 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/15/2002 NITRATE 5.8 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 8/1/2000 NITRATE 5.8 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/16/2008 NITRATE 5.2 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 8/2/2006 NITRATE 5.17 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 2/7/2000 NITRATE 5.8 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 8/6/2001 NITRATE 4.7 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 10/15/2002 NITRATE 5.66 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 7/19/2004 NITRATE 5.51 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 10/13/2008 NITRATE 3 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 4/12/2004 NITRATE 5.58 MG/L 10000 Cambrian/Ordovician 245 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL2015345 BILL-MAR HTS MHP WL11128 10/6/2003 NITRATE 5.66 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 7/30/2008 NITRATE 5.3 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/17/2005 NITRATE 5.08 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 5/16/2005 NITRATE 5.58 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 7/15/2002 NITRATE 5.43 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/6/2004 NITRATE 4.98 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/20/2003 NITRATE 5.61 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 4/15/2003 NITRATE 5.39 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 4/16/2007 NITRATE 5.33 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 7/31/2007 NITRATE 5.1 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 11/13/2007 NITRATE 4.9 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 4/18/2006 NITRATE 5.38 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 7/28/2003 NITRATE 5.63 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 6/3/2009 NITRATE 6.2 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 11/29/2004 NITRATE 5.35 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 11/1/2005 NITRATE 5.25 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 2/11/2009 NITRATE 5.3 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 4/1/2009 NITRATE 5.8 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/16/2006 NITRATE 5.36 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 7/22/2009 NITRATE 5.4 MG/L 10000 Cambrian/Ordovician 245 Fair

SYSTEM

NUMBERSYSTEM NAME WELL ID

COLLECTION

DATEANALYTE CONC. UNIT

GWQS

(ug/L)AQUIFER

WELL

DEPTHSUPPORT

IL2015345 BILL-MAR HTS MHP WL11128 10/21/2009 NITRATE 5.7 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 1/25/2010 NITRATE 5.57 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 11/20/2000 NITRATE 5.7 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015345 BILL-MAR HTS MHP WL11128 8/15/2005 NITRATE 5.02 MG/L 10000 Cambrian/Ordovician 245 Fair

IL2015495 GEM SUBURBAN MHP WL11136 10/27/2004 CHLORIDE 87.5 MG/L 200000 Sand & Gravel 87 Fair

IL2015495 GEM SUBURBAN MHP WL11136 10/30/2006 CHLORIDE 69.4 MG/L 200000 Sand & Gravel 87 Fair

IL2015495 GEM SUBURBAN MHP WL11136 10/27/2008 CHLORIDE 52.7 MG/L 200000 Sand & Gravel 87 Fair

IL2015495 GEM SUBURBAN MHP WL11136 4/1/2009 NITRATE 0.079 MG/L 10000 Sand & Gravel 87 Fair

IL2015495 GEM SUBURBAN MHP WL11136 1/30/2006 NITRATE 5.04 MG/L 10000 Sand & Gravel 87 Fair

IL2015500 NORTH PARK PWD WL11693 3/29/2000 CHLORIDE 61 MG/L 200000 Sand & Gravel 240 Fair

IL2015500 NORTH PARK PWD WL11693 3/11/2008 CHLORIDE 100 MG/L 200000 Sand & Gravel 240 Fair

IL2015500 NORTH PARK PWD WL11693 3/7/2006 CHLORIDE 87.8 MG/L 200000 Sand & Gravel 240 Fair

IL2015500 NORTH PARK PWD WL11693 3/29/2000 NITRATE 5.7 MG/L 10000 Sand & Gravel 240 Fair

IL2015655 RIVERVIEW MHP WL11148 10/25/2006 CHLORIDE 20.2 MG/L 200000 Sand & Gravel 85 Fair

IL2015655 RIVERVIEW MHP WL11148 10/27/2004 CHLORIDE 46 MG/L 200000 Sand & Gravel 85 Fair

IL2015655 RIVERVIEW MHP WL11148 10/27/2008 CHLORIDE 35.4 MG/L 200000 Sand & Gravel 85 Fair

IL2015655 RIVERVIEW MHP WL11148 11/12/2002 CHLORIDE 37.9 MG/L 200000 Sand & Gravel 85 Fair

IL2015655 RIVERVIEW MHP WL11148 11/12/2002XYLENES,

TOTAL0.7 UG/L 10000 Sand & Gravel 85 Fair

IL2030150 EL PASO WL00277 Good

IL2030150 EL PASO WL31409 Good

IL2030400 MINONK WL31428 Good

IL2030600 SECOR WL31436 Good