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/Mississippian
180
Fair
IL0010500
MENDON
WL50257
4/4/2006
CHLORIDE
32.8
MG/L
200000
Pennsylvanian/Mississippian
180
Fair
IL0010500
MENDON
WL50257
4/8/2008
CHLORIDE
31
MG/L
200000
Pennsylvanian/Mississippian
180
Fair
IL0010500
MENDON
WL50257
4/12/2000
NITRATE
3.1
MG/L
10000
Pennsylvanian/Mississippian
180
Fair
IL0010500
MENDON
WL50257
11/9/2009
NITRATE
9.1
MG/L
10000
Pennsylvanian/Mississippian
180
Fair
IL0010550
PAYSON
WL01113
Good
IL0010600
PLAINVILLE
WL50150
5/19/2004
CHLORIDE
38
MG/L
200000
Pennsylvanian/Mississippian
220
Fair
IL0010600
PLAINVILLE
WL50150
6/1/2000
CHLORIDE
30.6
MG/L
200000
Pennsylvanian/Mississippian
220
Fair
IL0010600
PLAINVILLE
WL50150
5/25/2006
CHLORIDE
11.7
MG/L
200000
Pennsylvanian/Mississippian
220
Fair
IL0010600
PLAINVILLE
WL50150
5/23/2008
CHLORIDE
56.49
MG/L
200000
Pennsylvanian/Mississippian
220
Fair
IL0010600
PLAINVILLE
WL50150
5/23/2008
NITRATE
6.725
MG/L
10000
Pennsylvanian/Mississippian
220
Fair
IL0010600
PLAINVILLE
WL50150
6/1/2000
NITRATE
5.3
MG/L
10000
Pennsylvanian/Mississippian
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
GoodSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
IL0195150
SANGAMON VALLEY PWD
WL47687
Good
IL0195300
IL AMERICAN - CHAMPAIGN
WL45075
Good
IL0195300
IL AMERICAN - CHAMPAIGN
WL45081
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
200000
Pennsylvanian/Mississippian
68
Fair
IL0230100
MARSHALL
WL45155
3/24/2000
CHLORIDE
17
MG/L
200000
Pennsylvanian/Mississippian
68
Fair
IL0230100
MARSHALL
WL45155
3/4/2008
CHLORIDE
16
MG/L
200000
Pennsylvanian/Mississippian
68
Fair
IL0230100
MARSHALL
WL45155
3/24/2000
NITRATE
1.17
MG/L
10000
Pennsylvanian/Mississippian
68
Fair
IL0235400
UNION-YORK WTR DSTRCT
WL00251
3/6/2008
CHLORIDE
34
MG/L
200000
Sand & Gravel
115
Fair
IL0235400
UNION-YORK WTR DSTRCT
WL00251
3/1/2006
CHLORIDE
35.1
MG/L
200000
Sand & Gravel
115
Fair
IL0235400
UNION-YORK WTR DSTRCT
WL00251
3/9/2000
CHLORIDE
34
MG/L
200000
Sand & Gravel
115
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL0235400
UNION-YORK WTR DSTRCT
WL00251
11/12/2002
METHYL TERT-BUTYL ETHER
4.6
UG/L
70
Sand & Gravel
115
Fair
IL0235400
UNION-YORK WTR DSTRCT
WL00251
5/7/2002
METHYL TERT-BUTYL ETHER
8.4
UG/L
70
Sand & Gravel
115
Fair
IL0235400
UNION-YORK WTR DSTRCT
WL00251
3/4/2002
METHYL TERT-BUTYL ETHER
2.3
UG/L
70
Sand & Gravel
115
Fair
IL0235400
UNION-YORK WTR DSTRCT
WL00251
3/9/2000
NITRATE
5.3
MG/L
10000
Sand & Gravel
115
Fair
IL0250010
IOLA
WL00304
Good
IL0295100
CLEAR WATER SRVC CORP
WL47765
1/25/2000
CHLORIDE
26.9
MG/L
200000
Sand & Gravel
37
Fair
IL0295100
CLEAR WATER SRVC CORP
WL47765
1/16/2008
CHLORIDE
29
MG/L
200000
Sand & Gravel
37
Fair
IL0295100
CLEAR WATER SRVC CORP
WL47765
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
GoodSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL0410350
VILLA GROVE
WL40003
Good
IL0430060
SOUTHEAST REGIONAL WTR FAC
WL01408
Good
IL0430060
SOUTHEAST REGIONAL WTR FAC
WL20520
7/7/2008
CHLORIDE
78.8
MG/L
200000
Mixed
284
Fair
IL0430060
SOUTHEAST REGIONAL WTR FAC
WL20520
6/26/2000
CHLORIDE
76
MG/L
200000
Mixed
284
Fair
IL0430060
SOUTHEAST REGIONAL WTR FAC
WL20520
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-DICHLOROETHYLENE
0.81
UG/L
70
Devonian/Silurian
313
Fair
IL0430900
WEST CHICAGO
WL20546
6/11/2002
CIS-1,2-DICHLOROETHYLENE
0.6
UG/L
70
Devonian/Silurian
313
Fair
IL0430900
WEST CHICAGO
WL20546
6/13/2000
CIS-1,2-DICHLOROETHYLENE
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
IL0435300
UTL INC CLARENDON WTR CMPNY
WL20469
6/26/2000
CHLORIDE
91.8
MG/L
200000
Devonian/Silurian
325
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL0435300
UTL INC CLARENDON WTR CMPNY
WL20469
7/7/2008
CHLORIDE
80.4
MG/L
200000
Devonian/Silurian
325
Fair
IL0435300
UTL INC CLARENDON WTR CMPNY
WL20469
6/26/2006
CHLORIDE
86
MG/L
200000
Devonian/Silurian
325
Fair
IL0435300
UTL INC CLARENDON WTR CMPNY
WL20469
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
IL0435600
LIBERTY PARK HOMEOWNERS ASSN
WL20510
9/20/2006
CHLORIDE
68.2
MG/L
200000
Mixed
278
Fair
IL0435600
LIBERTY PARK HOMEOWNERS ASSN
WL20510
9/19/2000
CHLORIDE
69.4
MG/L
200000
Mixed
278
Fair
IL0435600
LIBERTY PARK HOMEOWNERS ASSN
WL20510
9/17/2008
CHLORIDE
90.9
MG/L
200000
Mixed
278
Fair
IL0435600
LIBERTY PARK HOMEOWNERS ASSN
WL20510
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
IL0437000
POLO DR & SADDLE RD SBDV
WL20497
1/15/2008
CHLORIDE
110
MG/L
200000
Devonian/Silurian
200
Poor
IL0437000
POLO DR & SADDLE RD SBDV
WL20497
2/1/2000
CHLORIDE
95.3
MG/L
200000
Devonian/Silurian
200
Poor
IL0437000
POLO DR & SADDLE RD SBDV
WL20497
1/24/2006
CHLORIDE
301
MG/L
200000
Devonian/Silurian
200
Poor
IL0437000
POLO DR & SADDLE RD SBDV
WL20497
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
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
1/15/2002
CHLOROMETHANE
0.6
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
200000
Pennsylvanian/Mississippian
601
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL0690100
ELIZABETHTOWN
WL70490
9/30/2004
CHLORIDE
16.9
MG/L
200000
Pennsylvanian/Mississippian
601
Fair
IL0690100
ELIZABETHTOWN
WL70490
10/3/2006
CHLORIDE
16.2
MG/L
200000
Pennsylvanian/Mississippian
601
Fair
IL0690100
ELIZABETHTOWN
WL70490
9/30/2008
CHLORIDE
17.7
MG/L
200000
Pennsylvanian/Mississippian
601
Fair
IL0690100
ELIZABETHTOWN
WL70490
10/10/2001
CHLORIDE
51.7
MG/L
200000
Pennsylvanian/Mississippian
601
Fair
IL0690100
ELIZABETHTOWN
WL70490
8/3/2006
NITRATE
4.74
MG/L
10000
Pennsylvanian/Mississippian
601
Fair
IL0690100
ELIZABETHTOWN
WL70490
10/5/2000
NITRATE
3.7
MG/L
10000
Pennsylvanian/Mississippian
601
Fair
IL0690100
ELIZABETHTOWN
WL70490
10/10/2001
NITRATE
3.3
MG/L
10000
Pennsylvanian/Mississippian
601
Fair
IL0710010
DALLAS RURAL WTR DSTRCT
WL00870
12/12/2006
CHLORIDE
19.5
MG/L
200000
Sand & Gravel
75
Fair
IL0710010
DALLAS RURAL WTR DSTRCT
WL00870
12/18/2008
CHLORIDE
30.2
MG/L
200000
Sand & Gravel
75
Fair
IL0710010
DALLAS RURAL WTR DSTRCT
WL00870
1/17/2001
CHLORIDE
16.5
MG/L
200000
Sand & Gravel
75
Fair
IL0710010
DALLAS RURAL WTR DSTRCT
WL00870
12/11/2002
CHLORIDE
14.1
MG/L
200000
Sand & Gravel
75
Fair
IL0710010
DALLAS RURAL WTR DSTRCT
WL00870
12/14/2004
CHLORIDE
14.6
MG/L
200000
Sand & Gravel
75
Fair
IL0710010
DALLAS RURAL WTR DSTRCT
WL00870
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
IL0735220
HAZELWOOD HEIGHTS SBDV
WL31755
Good
IL0735250
HAZELWOOD WEST SBDV
WL31758
Good
IL0735345
KERSHAW MHP
WL11034
1/10/2006
CHLORIDE
12.6
MG/L
200000
Devonian/Silurian
110
PoorSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL0735345
KERSHAW MHP
WL11034
1/18/2000
CHLORIDE
5.92
MG/L
200000
Devonian/Silurian
110
Poor
IL0735345
KERSHAW MHP
WL11035
Good
IL0735350
HAZELWOOD 4TH ADDN
WL31752
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
IL0755110
BAYLES LAKE LOT OWNERS ASSN
WL47583
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
GoodSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
IL0895285
MARGARETS HI-ACRE MHP
WL20061
Good
IL0895300
MOECHERVILLE WATER DISTRICT
WL20065
Good
IL0895300
MOECHERVILLE WATER DISTRICT
WL20066
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
IL0970080
WYNSTONE WTR CMPNY
WL00258
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
IL0971050
FIELDS OF LONG GROVE
WL00219
Good
IL0971050
FIELDS OF LONG GROVE
WL01233
Good
IL0971850
WAUCONDA
WL20289
Good
IL0974080
BARRINGTON
WL20236
Good
IL0974080
BARRINGTON
WL20237
Good
IL0975200
COUNTRYSIDE LAKE SBDV
WL00937
GoodSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL0975238
HEIDEN GARDENS CNDOS
WL21044
Good
IL0975250
COUNTRYSIDE MANOR SBDV
WL20285
Good
IL0975250
COUNTRYSIDE MANOR SBDV
WL20286
Good
IL0975485
PAULS MHP
WL20250
Good
IL0975600
GRANDWOOD PARK SUBDIVISION
WL01399
Good
IL0975600
GRANDWOOD PARK SUBDIVISION
WL20016
Good
IL0975700
UTL INC HILLDALE MNR WTR CMPNY
WL02305
Good
IL0975900
PEKARA SBDV
WL20294
Good
IL0975900
PEKARA SBDV
WL20296
Good
IL0975900
PEKARA SBDV
WL20297
Good
IL0977189
ALTERNATIVE BEHAVIOR TRTMT CTR
WL20012
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
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
IL1035500
DIXON CORRECTIONAL CENTER
WL11582
Good
IL1050100
CHATSWORTH
WL47501
Good
IL1050150
CORNELL
WL47513
Good
IL1050550
ODELL
WL47518
Good
IL1055510
DWIGHT CORRECTIONAL CNTR
WL47523
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
IL1075150
BEASON CHESTNUT PWD
WL58042
10/20/2004
CHLORIDE
27
MG/L
200000
Sand & Gravel
50
Fair
IL1075150
BEASON CHESTNUT PWD
WL58042
10/20/2006
CHLORIDE
26.9
MG/L
200000
Sand & Gravel
50
Fair
IL1075150
BEASON CHESTNUT PWD
WL58042
10/7/2008
CHLORIDE
22.1
MG/L
200000
Sand & Gravel
50
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
7/18/2000
XYLENES, TOTAL
0.6
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-DICHLOROETHYLENE
0.5
UG/L
100
Sand & Gravel
197
Fair
IL1110300
HEBRON
WL20187
2/25/2008
1,1,1-TRICHLOROETHANE
2.13
UG/L
200
Sand & Gravel
278
Poor
IL1110300
HEBRON
WL20187
2/29/2000
1,1,1-TRICHLOROETHANE
11.8
UG/L
200
Sand & Gravel
278
Poor
IL1110300
HEBRON
WL20187
3/8/2004
1,1,1-TRICHLOROETHANE
3.09
UG/L
200
Sand & Gravel
278
Poor
IL1110300
HEBRON
WL20187
2/27/2006
1,1,1-TRICHLOROETHANE
2.81
UG/L
200
Sand & Gravel
278
PoorSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL1110300
HEBRON
WL20187
2/19/2002
1,1,1-TRICHLOROETHANE
7.8
UG/L
200
Sand & Gravel
278
Poor
IL1110300
HEBRON
WL20187
2/19/2002
1,2-DICHLOROETHANE
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
2/19/2002
TRICHLOROETHYLENE
4.8
UG/L
5
Sand & Gravel
278
Poor
IL1110300
HEBRON
WL20187
2/25/2008
TRICHLOROETHYLENE
1.12
UG/L
5
Sand & Gravel
278
Poor
IL1110300
HEBRON
WL20187
2/29/2000
TRICHLOROETHYLENE
1.4
UG/L
5
Sand & Gravel
278
Poor
IL1110300
HEBRON
WL20187
3/8/2004
TRICHLOROETHYLENE
2.86
UG/L
5
Sand & Gravel
278
Poor
IL1110300
HEBRON
WL20187
2/27/2006
TRICHLOROETHYLENE
2.03
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
GoodSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
5/20/2003
XYLENES, TOTAL
2.1
UG/L
10000
Sand & Gravel
150
Poor
IL1115300
HIGHLAND SHORES WTR CMPNY
WL00595
Good
IL1115400
UTL INC KILLARNEY WTR CMPNY
WL20156
12/17/2008
CHLORIDE
63.6
MG/L
200000
Mixed
335
Fair
IL1115400
UTL INC KILLARNEY WTR CMPNY
WL20156
8/28/2000
CHLORIDE
42.4
MG/L
200000
Mixed
335
Fair
IL1115400
UTL INC KILLARNEY WTR CMPNY
WL20156
9/6/2006
CHLORIDE
60.4
MG/L
200000
Mixed
335
Fair
IL1115400
UTL INC KILLARNEY WTR CMPNY
WL20156
8/31/2004
CHLORIDE
54.8
MG/L
200000
Mixed
335
Fair
IL1115700
UTL INC WHISPERING HLS WTR CO
WL20180
Good
IL1115700
UTL INC WHISPERING HLS WTR CO
WL20181
9/21/2004
CHLORIDE
35.6
MG/L
200000
Devonian/Silurian
255
Fair
IL1115700
UTL INC WHISPERING HLS WTR CO
WL20181
9/18/2000
CHLORIDE
32
MG/L
200000
Devonian/Silurian
255
Fair
IL1115700
UTL INC WHISPERING HLS WTR CO
WL20181
9/15/2008
CHLORIDE
75.5
MG/L
200000
Devonian/Silurian
255
Fair
IL1115700
UTL INC WHISPERING HLS WTR CO
WL20183
3/15/2006
CHLORIDE
49.5
MG/L
200000
Sand & Gravel
202
Fair
IL1115700
UTL INC WHISPERING HLS WTR CO
WL20183
3/18/2008
CHLORIDE
66
MG/L
200000
Sand & Gravel
202
Fair
IL1115800
UTL INC WALK-UP WOODS WTR CO
WL20159
8/19/2008
CHLORIDE
4
MG/L
200000
Sand & Gravel
272
Fair
IL1115800
UTL INC WALK-UP WOODS WTR CO
WL20159
6/7/2004
CHLORIDE
40.9
MG/L
200000
Sand & Gravel
272
Fair
IL1115800
UTL INC WALK-UP WOODS WTR CO
WL20159
6/13/2006
CHLORIDE
44.5
MG/L
200000
Sand & Gravel
272
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL1115800
UTL INC WALK-UP WOODS WTR CO
WL20159
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
IL1235125
AUTUMN RIDGE ESTATES
WL11066
9/11/2000
CHLORIDE
13.5
MG/L
200000
Sand & Gravel
119
Poor
IL1235125
AUTUMN RIDGE ESTATES
WL11066
9/3/2008
CHLORIDE
19
MG/L
200000
Sand & Gravel
119
PoorSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL1235125
AUTUMN RIDGE ESTATES
WL11066
8/23/2004
CHLORIDE
16
MG/L
200000
Sand & Gravel
119
Poor
IL1235125
AUTUMN RIDGE ESTATES
WL11066
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
IL1330020
FOUNTAIN WTR DSTRCT
WL00842
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
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
TETRACHLOROETHYLENE
0.69
UG/L
5
Cambrian/Ordovician
740
Fair
IL1410100
BYRON
WL11778
8/11/2008
TETRACHLOROETHYLENE
0.912
UG/L
5
Cambrian/Ordovician
740
Fair
IL1410100
BYRON
WL11778
10/4/2004
TRICHLOROETHYLENE
0.9
UG/L
5
Cambrian/Ordovician
740
Fair
IL1410100
BYRON
WL11778
8/16/2000
TRICHLOROETHYLENE
0.7
UG/L
5
Cambrian/Ordovician
740
Fair
IL1410100
BYRON
WL11778
8/14/2001
TRICHLOROETHYLENE
0.7
UG/L
5
Cambrian/Ordovician
740
Fair
IL1410100
BYRON
WL11778
8/18/2004
TRICHLOROETHYLENE
1.4
UG/L
5
Cambrian/Ordovician
740
Fair
IL1410100
BYRON
WL11778
8/2/2006
TRICHLOROETHYLENE
1.84
UG/L
5
Cambrian/Ordovician
740
Fair
IL1410100
BYRON
WL11778
8/11/2008
TRICHLOROETHYLENE
1.28
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
GoodSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
10/7/2004
XYLENES, TOTAL
1.48
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
IL1435470
PLEASANT VALLEY PWD
WL00310
4/13/2006
CHLORIDE
63.2
MG/L
200000
Sand & Gravel
135
Fair
IL1435470
PLEASANT VALLEY PWD
WL00310
4/1/2008
CHLORIDE
71
MG/L
200000
Sand & Gravel
135
Fair
IL1435470
PLEASANT VALLEY PWD
WL00310
4/25/2000
CHLORIDE
60.6
MG/L
200000
Sand & Gravel
135
Fair
IL1435470
PLEASANT VALLEY PWD
WL00310
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
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
TETRACHLOROETHYLENE
4.47
UG/L
5
Sand & Gravel
107
Fair
IL1570550
RUMA
WL60171
9/22/2004
CHLORIDE
22.8
MG/L
200000
Pennsylvanian/Mississippian
315
Fair
IL1570550
RUMA
WL60171
9/15/2006
CHLORIDE
24.2
MG/L
200000
Pennsylvanian/Mississippian
315
Fair
IL1570550
RUMA
WL60171
9/19/2008
CHLORIDE
22.9
MG/L
200000
Pennsylvanian/Mississippian
315
Fair
IL1570550
RUMA
WL60171
9/15/2006
TOLUENE
2.83
UG/L
1000
Pennsylvanian/Mississippian
315
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
IL1615170
CEDAR BROOK ESTS SBDV
WL31879
Good
IL1615250
CROPPERS 1ST 4TH & 5TH ADDN
WL31889
3/6/2006
CHLORIDE
1.7
MG/L
200000
Devonian/Silurian
509
Fair
IL1615250
CROPPERS 1ST 4TH & 5TH ADDN
WL31889
3/10/2008
CHLORIDE
0.9
MG/L
200000
Devonian/Silurian
509
Fair
IL1615250
CROPPERS 1ST 4TH & 5TH ADDN
WL31889
3/28/2000
CHLORIDE
2.38
MG/L
200000
Devonian/Silurian
509
Fair
IL1615250
CROPPERS 1ST 4TH & 5TH ADDN
WL31889
3/12/2001
CHLORIDE
3.41
MG/L
200000
Devonian/Silurian
509
Fair
IL1615750
SILVIS HEIGHTS WTR CORP
WL31930
7/14/2008
CHLORIDE
4.54
MG/L
200000
Devonian/Silurian
554
Fair
IL1615750
SILVIS HEIGHTS WTR CORP
WL31930
8/8/2006
CHLORIDE
2.12
MG/L
200000
Devonian/Silurian
554
Fair
IL1615750
SILVIS HEIGHTS WTR CORP
WL31930
7/24/2000
CHLORIDE
2.9
MG/L
200000
Devonian/Silurian
554
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL1615750
SILVIS HEIGHTS WTR CORP
WL31930
7/14/2008
ETHYLBENZENE
0.749
UG/L
700
Devonian/Silurian
554
Fair
IL1615750
SILVIS HEIGHTS WTR CORP
WL31930
8/12/2008
XYLENES, TOTAL
2.043
UG/L
10000
Devonian/Silurian
554
Fair
IL1615750
SILVIS HEIGHTS WTR CORP
WL31930
7/14/2008
XYLENES, TOTAL
3.39
UG/L
10000
Devonian/Silurian
554
Fair
IL1617635
FALCON FARMS
WL31102
Good
IL1670400
DAWSON
WL01455
Good
IL1675350
CURRAN-GARDNER TWSP PWD
WL50003
7/8/2008
CHLORIDE
30.3
MG/L
200000
Sand & Gravel
55
Fair
IL1675350
CURRAN-GARDNER TWSP PWD
WL50003
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
GoodSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
TETRACHLOROETHYLENE
0.7
UG/L
5
Sand & Gravel
115
Fair
IL1790200
EAST PEORIA
WL01004
2/28/2000
TETRACHLOROETHYLENE
2.1
UG/L
5
Sand & Gravel
115
Fair
IL1790200
EAST PEORIA
WL01004
2/19/2001
TETRACHLOROETHYLENE
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
PoorSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL1795040
IL AMERICAN - PEKIN
WL50057
11/13/2002
TETRACHLOROETHYLENE
0.5
UG/L
5
Sand & Gravel
91
Poor
IL1795040
IL AMERICAN - PEKIN
WL50057
10/21/2004
TETRACHLOROETHYLENE
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
IL1795300
HOLLANDS GROVE COURT SBDV
WL50064
Good
IL1795730
LAKE WINDERMERE ESTS SBDV
WL50055
Good
IL1795780
NORTH TAZEWELL PWD
WL50051
Good
IL1815050
ANNA-JONESBORO WTR CMSN
WL71354
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
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
IL1970100
IL AMERICAN - HOMER TOWNSHIP
WL20425
Good
IL1970100
IL AMERICAN - HOMER TOWNSHIP
WL20445
6/22/2006
CHLORIDE
50.7
MG/L
200000
Devonian/Silurian
300
Fair
IL1970100
IL AMERICAN - HOMER TOWNSHIP
WL20445
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
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
IL1975030
AQUA ILLINOIS - UNIVERSITY PAR
WL20455
GoodSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL1975030
AQUA ILLINOIS - UNIVERSITY PAR
WL20458
Good
IL1975080
SHOREWOOD
WL00641
Good
IL1975200
UTL INC CAMELOT UTL INC
WL20795
Good
IL1975210
IL AMERICAN - CENTRAL STATES
WL20354
6/19/2008
CHLORIDE
17.48
MG/L
200000
Devonian/Silurian
260
Fair
IL1975210
IL AMERICAN - CENTRAL STATES
WL20354
7/13/2000
CHLORIDE
12.1
MG/L
200000
Devonian/Silurian
260
Fair
IL1975280
UTL INC CHERRY HILL WTR CMPNY
WL20330
12/18/2002
CHLORIDE
87.8
MG/L
200000
Devonian/Silurian
192
Fair
IL1975280
UTL INC CHERRY HILL WTR CMPNY
WL20330
1/28/2009
CHLORIDE
132
MG/L
200000
Devonian/Silurian
192
Fair
IL1975280
UTL INC CHERRY HILL WTR CMPNY
WL20330
12/14/2004
CHLORIDE
59.2
MG/L
200000
Devonian/Silurian
192
Fair
IL1975280
UTL INC CHERRY HILL WTR CMPNY
WL20330
12/20/2000
CHLORIDE
94.6
MG/L
200000
Devonian/Silurian
192
Fair
IL1975280
UTL INC CHERRY HILL WTR CMPNY
WL20330
12/20/2000
NITRATE
0.02
MG/L
10000
Devonian/Silurian
192
Fair
IL1975280
UTL INC CHERRY HILL WTR CMPNY
WL20330
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
IL1975640
EAST MORELAND WTR CORP
WL20415
12/20/2000
CHLORIDE
95
MG/L
200000
Devonian/Silurian
157
Fair
IL1975640
EAST MORELAND WTR CORP
WL20415
1/28/2009
CHLORIDE
11.6
MG/L
200000
Devonian/Silurian
157
Fair
IL1975640
EAST MORELAND WTR CORP
WL20415
12/17/2002
CHLORIDE
101
MG/L
200000
Devonian/Silurian
157
Fair
IL1975640
EAST MORELAND WTR CORP
WL20415
12/14/2004
CHLORIDE
91
MG/L
200000
Devonian/Silurian
157
Fair
IL1975640
EAST MORELAND WTR CORP
WL20415
12/20/2000
NITRATE
0.06
MG/L
10000
Devonian/Silurian
157
Fair
IL1975640
EAST MORELAND WTR CORP
WL20415
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
GoodSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
IL2015160
UTL INC COVENTRY CREEK SBDV
WL11678
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-TRICHLOROETHANE
0.8
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
11/25/2002
1,1,1-TRICHLOROETHANE
0.7
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
2/17/2003
1,1,1-TRICHLOROETHANE
0.7
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
6/14/2004
1,1,1-TRICHLOROETHANE
0.8
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
9/7/2004
1,1,1-TRICHLOROETHANE
0.76
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
8/2/2006
1,1,1-TRICHLOROETHANE
0.62
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
10/29/2001
1,1,1-TRICHLOROETHANE
0.7
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
10/16/2000
1,1,1-TRICHLOROETHANE
1.2
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
1/26/2010
1,1,1-TRICHLOROETHANE
0.671
UG/L
200
Cambrian/Ordovician
245
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
IL2015345
BILL-MAR HTS MHP
WL11128
2/5/2002
1,1,1-TRICHLOROETHANE
0.8
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
3/1/2006
1,1,1-TRICHLOROETHANE
0.58
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
1/28/2004
1,1,1-TRICHLOROETHANE
0.6
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
3/15/2004
1,1,1-TRICHLOROETHANE
0.62
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
12/15/2003
1,1,1-TRICHLOROETHANE
0.6
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
9/2/2003
1,1,1-TRICHLOROETHANE
0.6
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
3/21/2005
1,1,1-TRICHLOROETHANE
0.88
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
1/31/2006
1,1,1-TRICHLOROETHANE
0.64
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
5/30/2005
1,1,1-TRICHLOROETHANE
0.61
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
2/5/2008
1,1,1-TRICHLOROETHANE
0.523
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
11/15/2005
1,1,1-TRICHLOROETHANE
0.61
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
9/6/2005
1,1,1-TRICHLOROETHANE
0.64
UG/L
200
Cambrian/Ordovician
245
Fair
IL2015345
BILL-MAR HTS MHP
WL11128
5/15/2006
1,1,1-TRICHLOROETHANE
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
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
FairSYSTEM NUMBER
SYSTEM NAME
WELL ID
COLLECTION DATE
ANALYTE
CONC.
UNIT
GWQS (ug/L)
AQUIFER
WELL DEPTH
SUPPORT
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
11/12/2002
XYLENES, TOTAL
0.7
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
