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PFAS Tracker
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Systems
States
Counties
Contaminants
PFAS Tracker
Rankings
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Illinois
McHenry County, Illinois
Water Systems
307
Population Served
271,051
Total Violations
11,554
PFAS Detected
7
of 12 tested
Water Systems
System Name
Population
Violations
PFAS
CRYSTAL LAKE
40,661
54
Detected
ALGONQUIN
30,700
83
Clean
LAKE IN THE HILLS
28,661
52
Detected
HUNTLEY
28,495
84
Clean
WOODSTOCK
25,630
35
Clean
MCHENRY
22,335
101
Detected
CARY
17,826
66
Detected
HARVARD
9,469
79
Clean
PRAIRIE PATH WATER CO-WHISPERING HILLS
8,300
76
Detected
MARENGO
7,572
14
Detected
FOX RIVER GROVE
4,702
51
Detected
LAKEWOOD
4,267
242
—
WONDER LAKE
3,870
403
Clean
RICHMOND
2,087
58
—
WONDER LAKE (NIU)
1,950
402
—
AQUA ILLINOIS-MCHENRY SHORES
1,862
265
—
HEBRON
1,368
11
—
PRAIRIE PATH WATER COMPANY-KILLARNEY
1,232
27
—
JOHNSBURG NO.2
1,124
157
—
PRAIRIE GROVE SCHOOL
1,050
147
—
OAKBROOK ESTATES MHP
1,012
27
—
PRAIRIE PATH WATER COMPANY-HOLIDAY HILLS
868
19
—
AQUA ILLINOIS-CRYSTAL CLEAR WATER CO.
855
418
—
PRAIRIE PATH WATER COMPANY-WALK UP WOODS
775
27
—
AQUA ILLINOIS-EASTWOOD MANOR
728
309
—
SNAP ON TOOLS
700
35
—
IL AMERICAN-TERRA COTTA
681
0
—
UNION
594
95
—
JOHNSBURG JR HIGH SCHOOL
575
61
—
SPRING GROVE ELEMENTARY SCHOOL
500
103
—
ST PETERS CHURCH
500
8
—
LIPPOLD PARK CON SOFTBALL BONCOSKY
500
0
—
AQUA ILLINOIS-NUNDA
485
194
—
GREENWOOD SCHOOL
400
66
—
ILLINOIS TURNER CAMP POOL
400
26
—
RESURRECTION CHURCH
350
12
—
CAFE 31 NORTH
300
9
—
CHRIST THE KING CHURCH
300
11
—
VALLEY VIEW SCHOOL
300
176
—
NORTHWESTERN MEDICINE WOODSTOCK HOSPITAL
300
24
—
SCOT FORGE
253
68
—
CRYSTAL CREEK FARM
251
0
—
CRYSTAL LAKE PARK D/W HERRICK
250
0
—
SHILOH CHURCH
250
96
—
RIVERSIDE PUB
220
15
—
RILEY COMMUNITY SCHOOL
220
87
—
KINGDOM HALL OF JEHOVAHS WITNESSES
219
2
—
MARY ANN BEEBE CTR/ACTIVITY CTR (18226)
200
27
—
CRYSTAL LAKE MONTESSORI
200
193
—
BIG FOOT INN
200
8
—