Utilities in Illinois
27,127 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
Is your public water system listed? Claim your free listing →
Claim Your Listing →Showing page 226 of 543 (27,127 systems)
IL 26
IL0016550 · 25 served
IL AMERICAN WTR CMPNY-CAMELOT
IL1435450 · 1,200 served
IL AMERICAN WTR CMPNY-ROME
IL1435700 · 295 served
IL AMERICAN-ALPINE HEIGHTS
IL1970030 · 707 served
IL AMERICAN-ALTON
IL1195150 · 46,127 served
IL AMERICAN-ANDALUSIA
IL1610050 · 1,184 served
IL AMERICAN-ARBURY
IL1975040 · 1,225 served
IL AMERICAN-ARROWHEAD
IL0435150 · 1,581 served
IL AMERICAN-BROADLANDS
IL0190050 · 330 served
IL AMERICAN-CAIRO
IL0035030 · 1,821 served
IL AMERICAN-CENTRAL STATES DST
IL1975210 · 117 served
IL AMERICAN-CHAMPAIGN
IL0195300 · 150,000 served
IL AMERICAN-CHICAGO SUBURBAN
IL0315150 · 11,187 served
IL AMERICAN-CHICKASAW
IL1975320 · 12,432 served
IL AMERICAN-COUNTRY CLUB
IL0435350 · 1,014 served
IL AMERICAN-DERBY MEADOWS
IL1975510 · 6,438 served
IL AMERICAN-DUPAGE UTILITY
IL0430552 · 6,613 served
IL AMERICAN-EAST ST LOUIS
IL1635040 · 131,368 served
IL AMERICAN-FARMINGTON
IL0570500 · 2,448 served
IL AMERICAN-FERNWAY
IL0315030 · 5,223 served
IL AMERICAN-FISHER
IL0190150 · 2,026 served
IL AMERICAN-GLASFORD
IL1430350 · 1,193 served
IL AMERICAN-GRANITE CITY
IL1195030 · 27,549 served
IL AMERICAN-HARDIN
IL0130200 · 839 served
IL AMERICAN-HARDIN COUNTY
IL0690020 · 1,373 served
IL AMERICAN-HOLLIS
IL0935200 · 107 served
IL AMERICAN-HOMER TOWNSHIP
IL1970100 · 24,543 served
IL AMERICAN-JERSEYVILLE
IL0830250 · 8,737 served
IL AMERICAN-LAKE WATER COMPANY
IL0310290 · 0 served
IL AMERICAN-LEONORE
IL0990400 · 111 served
IL AMERICAN-LIBERTY RIDGE EAST
IL0437500 · 320 served
IL AMERICAN-LIBERTY RIDGE WEST
IL0435650 · 3,307 served
IL AMERICAN-LINCOLN
IL1075030 · 15,200 served
IL AMERICAN-LIVINGSTON
IL1190600 · 825 served
IL AMERICAN-LOMBARD HEIGHTS
IL0435700 · 679 served
IL AMERICAN-MIDWEST PALOS
IL0317050 · 132 served
IL AMERICAN-MORELAND
IL0315910 · 445 served
IL AMERICAN-MOUNT PULASKI
IL1070400 · 1,506 served
IL AMERICAN-NETTLE CREEK
IL0630040 · 317 served
IL AMERICAN-PEKIN
IL1795040 · 31,731 served
IL AMERICAN-PEORIA
IL1435030 · 137,575 served
IL AMERICAN-PONTIAC
IL1055030 · 11,864 served
IL AMERICAN-RANSOM
IL0990900 · 483 served
IL AMERICAN-RIDGECREST
IL0635100 · 203 served
IL AMERICAN-RIVER GRANGE
IL0895600 · 62 served
IL AMERICAN-ROLLINS
IL0895150 · 231 served
IL AMERICAN-ROSICLARE
IL0690160 · 1,387 served
IL AMERICAN-SADORUS
IL0190750 · 426 served
IL AMERICAN-SANTA FE
IL1975060 · 125 served
IL AMERICAN-SAUNEMIN
IL1050650 · 456 served