Utilities in Illinois
27,127 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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OLE FISHING HOLE
IL0068619 · 25 served
OLE FISHING HOLE
IL3068619 · 25 served
OLEARYS PUB & GRUB
IL3063107 · 40 served
OLENA COMMUNITY CHURCH
IL0085175 · 25 served
OLENA COMMUNITY CHURCH
IL3085175 · 25 served
OLIN
IL3082297 · 150 served
OLIN CORP
IL1199070 · 25 served
OLIN CORP CASTING PLANT
IL0095885 · 25 served
OLIN CORP CASTING PLANT
IL3095885 · 25 served
OLIN CORP JOLIET PLANT
IL0082297 · 525 served
OLIN CORP MAIN PLANT
IL0095893 · 25 served
OLIN CORP WELDED TUBE
IL0022053 · 25 served
OLIN CORP WELDED TUBE
IL3022053 · 25 served
OLIN WINCHESTER LLC
IL3095893 · 3,250 served
OLIVE AND OAK - WEDDING AND EVENTS
IL3149120 · 250 served
OLIVE CONGREGATIONAL CHURCH
IL0035857 · 25 served
OLIVE CONGREGATIONAL CHURCH
IL3035857 · 25 served
OLIVE TAP
IL3030429 · 200 served
OLIVER VEXEL,INC.
IL3081489 · 25 served
OLIVER'S LAWN MOWER SALES
IL0049957 · 25 served
OLIVER'S LAWN MOWER SALES
IL3049957 · 25 served
OLIVERS CORNER MARKET
IL3143842 · 25 served
OLIVET NAZARENE UNIVERSITY
IL0915279 · 1,050 served
OLIVET PWD
IL1835300 · 300 served
OLMSTED
IL1530250 · 435 served
OLNEY
IL1590200 · 8,877 served
OLNEY BAPTIST ASSOC
IL0021659 · 25 served
OLNEY BAPTIST ASSOC
IL3021659 · 25 served
OLNEY CHRISTIAN FELLOWSHIP SCH
IL3120774 · 82 served
OLNEY CHURCH OF GOD
IL3121426 · 100 served
OLNEY DRIVE IN THEATER
IL0031633 · 100 served
OLNEY DRIVE IN THEATER
IL3031633 · 100 served
OLNEY LIVESTOCK COMMISSION
IL0031773 · 25 served
OLNEY LIVESTOCK COMMISSION
IL3031773 · 25 served
OLNEY NOBLE AIRPORT
IL0026542 · 25 served
OLNEY NOBLE AIRPORT
IL3026542 · 25 served
OLSEN WELL CO
IL0046664 · 25 served
OLSEN WELL CO
IL3046664 · 25 served
OLSEN'S PINE LODGE
IL0023440 · 18 served
OLSEN'S PINE LODGE
IL3023440 · 9 served
OLSON OIL PRODUCTS
IL3005454 · 25 served
OLSON TRANSPORTATION
IL3161246 · 25 served
OLYMPIA FIELDS
IL0312280 · 4,922 served
OLYMPIA FIELDS C C ATTENTION
IL3080895 · 500 served
OLYMPIA FIELDS CC 11 TEE NORTH
IL3122291 · 25 served
OLYMPIA FIELDS CC 12 TEE NORTH
IL3122127 · 25 served
OLYMPIA FIELDS CC 13 GRN NORTH
IL3122143 · 25 served
OLYMPIA FIELDS CC 6 TEE SOUTH
IL3122119 · 25 served
OLYMPIA FIELDS COUNTRY CLUB
IL0310260 · 61 served
OLYMPIA FIELDS COUNTRY CLUB N
IL0079848 · 500 served