Lead service lines in Illinois water systems
Illinois EPA, on its lead service line page: "Effective January 1, 2022, the Lead Service Line Replacement and Notification Act (LSLRNA)" (Public Act 102-0613) "replaced the former lead materials inventory requirements found in the Illinois Environmental Protection Act at 415 ILCS 5/17.11."1
226 community water systems: each one's latest inventory report with Illinois EPA, and what its utility publishes about replacement, free lead tests, and free filters.
System names, counties, PWSIDs, and reporting years from Illinois EPA's inventory export.2
| System | County | PWSID | Inventory | Replacement | Free lead test | Free filter |
|---|---|---|---|---|---|---|
| Addison | DuPage | IL0430050 | Inventory (2024 data) | Not stated | ||
| Algonquin | McHenry | IL1110050 | Inventory (2024 data) | Not stated | ||
| Alsip | Cook | IL0310030 | Inventory (2024 data) | Not stated | ||
| Antioch | Lake | IL0970050 | Inventory (2024 data) | Not stated | ||
| Aqua Illinois - Kankakee | Kankakee | IL0915030 | Inventory (2022 data) | Not stated | ||
| Aqua Illinois - North Maine Utilities | Cook | IL0315350 | Inventory (2022 data) | Not stated | ||
| Aqua Illinois-Vermilion County | Vermilion | IL1835120 | Inventory (2022 data) | Not stated | ||
| Arlington Heights | Cook | IL0314030 | Inventory (2024 data) | Not stated | ||
| Aurora | Kane | IL0894070 | Inventory (2024 data) | Not stated | ||
| Barrington | Lake | IL0974080 | Inventory (2024 data) | Not stated | ||
| Bartlett | Cook | IL0314120 | Inventory (2024 data) | Not stated | ||
| Batavia | Kane | IL0894130 | Inventory (2022 data) | Not stated | ||
| Bellwood | Cook | IL0310150 | Inventory (2022 data) | Not stated | ||
| Belvidere | Boone | IL0070050 | Inventory (2022 data) | Not stated | ||
| Bensenville | DuPage | IL0434140 | Inventory (2024 data) | Not stated | ||
| Berwyn | Cook | IL0310210 | Inventory (2022 data) | Not stated | ||
| Bethalto | Madison | IL1190150 | Inventory (2024 data) | Not stated | ||
| Bloomingdale | DuPage | IL0430100 | Inventory (2024 data) | Not stated | ||
| Bloomington | McLean | IL1130200 | Inventory (2024 data) | Not stated | ||
| Blue Island | Cook | IL0310240 | Inventory (2024 data) | Not stated | ||
| Bridgeview | Cook | IL0310270 | Inventory (2024 data) | Not stated | ||
| Brookfield | Cook | IL0310330 | Inventory (2022 data) | Not stated | ||
| Buffalo Grove | Cook | IL0314180 | Inventory (2024 data) | Not stated | ||
| Burr Ridge | DuPage | IL0434190 | Inventory (2024 data) | Not stated | ||
| Calumet City | Cook | IL0310390 | Inventory (2020 data) | Not stated | ||
| Canton Water Treatment Plant | Fulton | IL0570250 | Inventory (2024 data) | Not stated | ||
| Carbondale | Jackson | IL0770150 | Inventory (2024 data) | Not stated | ||
| Carol Stream | DuPage | IL0430200 | Inventory (2024 data) | Not stated | ||
| Carpentersville | Kane | IL0890200 | Inventory (2024 data) | Not stated | ||
| Cary | McHenry | IL1110100 | Inventory (2024 data) | Not stated | ||
| Caseyville | St. Clair | IL1630250 | Inventory (2024 data) | Not stated | ||
| Charleston | Coles | IL0290100 | Inventory (2020 data) | Not stated | ||
| Chatham | Sangamon | IL1670300 | Inventory (2024 data) | Not stated | ||
| Chicago | Cook | IL0316000 | Inventory (2024 data) | Free | Yes | |
| Chicago Heights | Cook | IL0310450 | Inventory (2024 data) | Not stated | ||
| Chicago Ridge | Cook | IL0310480 | Inventory (2024 data) | Not stated | ||
| Cicero | Cook | IL0310510 | Inventory (2022 data) | Not stated | ||
| City of Centralia | Marion | IL1214220 | Inventory (2024 data) | Not stated | ||
| City of Galesburg | Knox | IL0950200 | Inventory (2024 data) | Not stated | ||
| City of Marion WTP | Williamson | IL1990550 | Inventory (2022 data) | Not stated | ||
| Collinsville | Madison | IL1194280 | Inventory (2024 data) | Not stated | ||
| Columbia | Monroe | IL1330050 | Inventory (2024 data) | Not stated | ||
| Commonfields Of Cahokia PWD | St. Clair | IL1635030 | Inventory (2020 data) | Not stated | ||
| Country Club Hills | Cook | IL0310540 | Inventory (2024 data) | Not stated | ||
| Crest Hill | Will | IL1970250 | Inventory (2024 data) | Not stated | ||
| Crestwood | Cook | IL0310600 | Inventory (2024 data) | Not stated | ||
| Crystal Lake | McHenry | IL1110150 | Inventory (2024 data) | Not stated | ||
| Darien | DuPage | IL0430270 | Inventory (2024 data) | Not stated | ||
| De Kalb | DeKalb | IL0370100 | Inventory (2024 data) | Not stated | ||
| Decatur - South WTP | Macon | IL1150150 | Inventory (2024 data) | Not stated | ||
| Deerfield | Lake | IL0974340 | Inventory (2022 data) | Not stated | ||
| Des Plaines | Cook | IL0310630 | Inventory (2024 data) | Not stated | ||
| Dixon | Lee | IL1030200 | Inventory (2024 data) | Not stated | ||
| Dolton | Cook | IL0310690 | Inventory (2024 data) | Not stated | ||
| Downers Grove | DuPage | IL0430300 | Inventory (2022 data) | Not stated | ||
| East Moline | Rock Island | IL1610250 | Inventory (2024 data) | Not stated | ||
| East Peoria | Tazewell | IL1790200 | Inventory (2024 data) | Not stated | ||
| Edwardsville | Madison | IL1190250 | Inventory (2022 data) | Not stated | ||
| Effingham WTP | Effingham | IL0490250 | Inventory (2024 data) | Not stated | ||
| EJ Water Cooperative, Inc. (Gila WTP) | Jasper | IL0790010 | Inventory (2024 data) | Not stated | ||
| Elgin | Kane | IL0894380 | Inventory (2024 data) | Free | Yes | Yes |
| Elk Grove Village | Cook | IL0314400 | Inventory (2024 data) | Not stated | ||
| Elmhurst | DuPage | IL0430350 | Inventory (2024 data) | Not stated | ||
| Elmwood Park | Cook | IL0310780 | Inventory (2024 data) | Not stated | ||
| Evanston | Cook | IL0310810 | Inventory (2024 data) | Not stated | ||
| Evergreen Park | Cook | IL0310840 | Inventory (2024 data) | Not stated | ||
| Forest Park | Cook | IL0310900 | Inventory (2022 data) | Not stated | ||
| Frankfort | Will | IL1970400 | Inventory (2024 data) | Not stated | ||
| Franklin Park | Cook | IL0310960 | Inventory (2024 data) | Not stated | ||
| Freeport | Stephenson | IL1770200 | Inventory (2022 data) | Not stated | ||
| Geneva | Kane | IL0890350 | Inventory (2022 data) | Not stated | ||
| Glen Carbon | Madison | IL1190300 | Inventory (2024 data) | Not stated | ||
| Glen Ellyn | DuPage | IL0430450 | Inventory (2024 data) | Not stated | ||
| Glendale Heights | DuPage | IL0430400 | Inventory (2024 data) | Not stated | ||
| Glenview | Cook | IL0311020 | Inventory (2024 data) | Not stated | ||
| Grayslake | Lake | IL0970250 | Inventory (2024 data) | Not stated | ||
| Great Lakes Naval Training Station | Lake | IL0975227 | Inventory (2024 data) | Not stated | ||
| Gurnee | Lake | IL0970350 | Inventory (2024 data) | Not stated | ||
| Hanover Park | Cook | IL0314480 | Inventory (2024 data) | Not stated | ||
| Harvey | Cook | IL0311110 | Inventory (2024 data) | Not stated | ||
| Hazel Crest | Cook | IL0311170 | Inventory (2024 data) | Not stated | ||
| Herrin | Williamson | IL1990400 | Inventory (2022 data) | Not stated | ||
| Hickory Hills | Cook | IL0311200 | Inventory (2024 data) | Not stated | ||
| Highland Park | Lake | IL0970500 | Inventory (2024 data) | Not stated | ||
| Highland WTP | Madison | IL1190550 | Inventory (2024 data) | Not stated | ||
| Hinsdale | DuPage | IL0434520 | Inventory (2024 data) | Not stated | ||
| Hoffman Estates | Cook | IL0311290 | Inventory (2024 data) | Not stated | ||
| Homewood | Cook | IL0311350 | Inventory (2024 data) | Not stated | ||
| Huntley | McHenry | IL1110350 | Inventory (2024 data) | Not stated | ||
| IL American-Jerseyville | Jersey | IL0830250 | Inventory (2024 data) | Not stated | ||
| IL American-West Suburban | Will | IL1974151 | Inventory (2022 data) | Not stated | ||
| Illinois American - Alton | Madison | IL1195150 | Inventory (2024 data) | Not stated | ||
| Illinois American - Champaign | Champaign | IL0195300 | Inventory (2022 data) | Not stated | ||
| Illinois American - Chicago Suburban | Cook | IL0315150 | Inventory (2024 data) | Not stated | ||
| Illinois American - East St Louis | St. Clair | IL1635040 | Inventory (2022 data) | Not stated | ||
| Illinois American - Granite City | Madison | IL1195030 | Inventory (2024 data) | Not stated | ||
| Illinois American - Homer Township | Will | IL1970100 | Inventory (2024 data) | Not stated | ||
| Illinois American - Lincoln | Logan | IL1075030 | Inventory (2024 data) | Not stated | ||
| Illinois American - Pekin | Tazewell | IL1795040 | Inventory (2022 data) | Not stated | ||
| Illinois American - Peoria | Peoria | IL1435030 | Inventory (2022 data) | Not stated | ||
| Illinois American - Pontiac | Livingston | IL1055030 | Inventory (2024 data) | Not stated | ||
| Illinois American - Streator | LaSalle | IL0995030 | Inventory (2022 data) | Not stated | ||
| Illinois American Water - Sterling | Whiteside | IL1955040 | Inventory (2022 data) | Not stated | ||
| Jacksonville | Morgan | IL1370200 | Inventory (2022 data) | Not stated | ||
| Jersey RWC | Jersey | IL0835300 | Inventory (2022 data) | Not stated | ||
| Joliet | Will | IL1970450 | Inventory (2022 data) | Not stated | ||
| JUSTICE-WILLOW SPRINGS WATER COMMISSION | Cook | IL0315820 | Inventory (2022 data) | Not stated | ||
| Kewanee | Henry | IL0730650 | Inventory (2022 data) | Not stated | ||
| La Grange | Cook | IL0311530 | Inventory (2022 data) | Not stated | ||
| La Grange Park | Cook | IL0311560 | Inventory (2022 data) | Not stated | ||
| Lake Forest | Lake | IL0970800 | Inventory (2022 data) | Not stated | ||
| Lake In The Hills | McHenry | IL1110400 | Inventory (2022 data) | Not stated | ||
| Lake Of Egypt Pwd | Williamson | IL1995200 | Inventory (2022 data) | Not stated | ||
| Lake Zurich | Lake | IL0970850 | Inventory (2022 data) | Not stated | ||
| Lansing | Cook | IL0311590 | Inventory (2022 data) | Not stated | ||
| LCPWD - Vernon Hills | Lake | IL0971750 | Inventory (2022 data) | Not stated | ||
| LCPWD - Wildwood Subdivision | Lake | IL0977350 | Inventory (2022 data) | Not stated | ||
| Lemont | Cook | IL0311620 | Inventory (2022 data) | Not stated | ||
| Leyden Township Water District | Cook | IL0315880 | Inventory (2022 data) | Not stated | ||
| Libertyville | Lake | IL0970900 | Inventory (2022 data) | Not stated | ||
| Lincolnwood | Cook | IL0311650 | Inventory (2022 data) | Not stated | ||
| Lindenhurst | Lake | IL0971000 | Inventory (2022 data) | Not stated | ||
| Lisle | DuPage | IL0430551 | Inventory (2020 data) | Not stated | ||
| Lockport | Will | IL1970500 | Inventory (2022 data) | Not stated | ||
| Lombard | DuPage | IL0430600 | Inventory (2022 data) | Not stated | ||
| Loves Park | Winnebago | IL2010150 | Inventory (2022 data) | Not stated | ||
| Lyons | Cook | IL0311710 | Inventory (2020 data) | Not stated | ||
| Macomb | McDonough | IL1090350 | Inventory (2022 data) | Not stated | ||
| Markham | Cook | IL0311770 | Inventory (2022 data) | Not stated | ||
| Matteson | Cook | IL0311800 | Inventory (2022 data) | Not stated | ||
| Mattoon | Coles | IL0290250 | Inventory (2022 data) | Not stated | ||
| Maywood | Cook | IL0311830 | Inventory (2020 data) | Not stated | ||
| McHenry | McHenry | IL1110600 | Inventory (2022 data) | Not stated | ||
| Melrose Park | Cook | IL0311860 | Inventory (2022 data) | Not stated | ||
| Midlothian | Cook | IL0311920 | Inventory (2020 data) | Not stated | ||
| Minooka | Grundy | IL0630550 | Inventory (2022 data) | Not stated | ||
| Mokena | Will | IL1970600 | Inventory (2020 data) | Not stated | ||
| Moline | Rock Island | IL1610450 | Inventory (2022 data) | Not stated | ||
| Morris | Grundy | IL0630600 | Inventory (2022 data) | Not stated | ||
| Morton | Tazewell | IL1790500 | Inventory (2022 data) | Not stated | ||
| Morton Grove | Cook | IL0311950 | Inventory (2022 data) | Not stated | ||
| Mount Prospect | Cook | IL0311980 | Inventory (2022 data) | Not stated | ||
| Mount Vernon | Jefferson | IL0810300 | Inventory (2022 data) | Not stated | ||
| Mundelein | Lake | IL0971150 | Inventory (2022 data) | Not stated | ||
| Murphysboro | Jackson | IL0770500 | Inventory (2020 data) | Not stated | ||
| Naperville | DuPage | IL0434670 | Inventory (map) | Not stated | ||
| New Lenox | Will | IL1970700 | Inventory (2022 data) | Not stated | ||
| Niles | Cook | IL0312010 | Inventory (2022 data) | Not stated | ||
| Normal | McLean | IL1130900 | Inventory (2022 data) | Not stated | ||
| Norridge | Cook | IL0312040 | Inventory (2022 data) | Not stated | ||
| North Aurora | Kane | IL0890600 | Inventory (2022 data) | Not stated | ||
| North Chicago | Lake | IL0971250 | Inventory (2020 data) | Not stated | ||
| North Park PWD | Winnebago | IL2015500 | Inventory (2022 data) | Not stated | ||
| Northbrook | Cook | IL0312070 | Inventory (2022 data) | Not stated | ||
| Northlake | Cook | IL0314710 | Inventory (2020 data) | Not stated | ||
| O Fallon | St. Clair | IL1631100 | Inventory (2022 data) | Not stated | ||
| Oak Brook | DuPage | IL0430700 | Inventory (2022 data) | Not stated | ||
| Oak Forest | Cook | IL0312190 | Inventory (2022 data) | Not stated | ||
| Oak Lawn | Cook | IL0312220 | Inventory (2022 data) | Not stated | ||
| Oak Park | Cook | IL0312250 | Inventory (2022 data) | Not stated | ||
| Orland Park | Cook | IL0312310 | Inventory (2022 data) | Not stated | ||
| Oswego | Kendall | IL0930150 | Inventory (2022 data) | Not stated | ||
| Ottawa | LaSalle | IL0990800 | Inventory (2022 data) | Not stated | ||
| Palatine | Cook | IL0312340 | Inventory (2022 data) | Not stated | ||
| Palos Heights | Cook | IL0312370 | Inventory (2022 data) | Not stated | ||
| Palos Hills | Cook | IL0312400 | Inventory (2022 data) | Not stated | ||
| Park Ridge | Cook | IL0312460 | Inventory (2022 data) | Not stated | ||
| Peru | LaSalle | IL0990850 | Inventory (2022 data) | Not stated | ||
| Plainfield | Will | IL1970800 | Inventory (2022 data) | Not stated | ||
| Plano | Kendall | IL0930200 | Inventory (2022 data) | Not stated | ||
| Quincy | Adams | IL0010650 | Inventory (2022 data) | Not stated | ||
| Rantoul | Champaign | IL0190650 | Inventory (2022 data) | Not stated | ||
| Richton Park | Cook | IL0312550 | Inventory (2022 data) | Not stated | ||
| River Forest | Cook | IL0312610 | Inventory (2022 data) | Not stated | ||
| River Grove | Cook | IL0312640 | Inventory (2022 data) | Not stated | ||
| Riverdale | Cook | IL0312580 | Inventory (2022 data) | Not stated | ||
| Robinson-Palestine Water Commission | Crawford | IL0335030 | Inventory (2022 data) | Not stated | ||
| Rock Island | Rock Island | IL1610650 | Inventory (2022 data) | Not stated | ||
| Rockford | Winnebago | IL2010300 | Inventory (2022 data) | Public side only | Yes | |
| Rolling Meadows | Cook | IL0312730 | Inventory (2022 data) | Not stated | ||
| Romeoville | Will | IL1970900 | Inventory (2022 data) | Not stated | ||
| Roselle | DuPage | IL0434820 | Inventory (2022 data) | Not stated | ||
| Round Lake | Lake | IL0971500 | Inventory (2022 data) | Not stated | ||
| Round Lake Beach | Lake | IL0971550 | Inventory (2022 data) | Not stated | ||
| Sauk | Cook | IL0312790 | Inventory (2022 data) | Not stated | ||
| Schaumburg | Cook | IL0314890 | Inventory (2022 data) | Not stated | ||
| Schiller Park | Cook | IL0312850 | Inventory (2022 data) | Not stated | ||
| Shorewood | Will | IL1975080 | Inventory (2022 data) | Not stated | ||
| Skokie | Cook | IL0312880 | Inventory (2022 data) | Not stated | ||
| South Elgin | Kane | IL0890800 | Inventory (2020 data) | Not stated | ||
| South Holland | Cook | IL0312970 | Inventory (2022 data) | Not stated | ||
| South Stickny SD | Cook | IL0317370 | Inventory (2022 data) | Not stated | ||
| Springfield | Sangamon | IL1671200 | Inventory (PDF) | Public side only | ||
| St Charles | Kane | IL0894830 | Inventory (2022 data) | Not stated | ||
| Streamwood | Cook | IL0313060 | Inventory (2022 data) | Not stated | ||
| Sugar Grove | Kane | IL0890850 | Inventory (2022 data) | Not stated | ||
| Summit | Cook | IL0310060 | Inventory (2022 data) | Not stated | ||
| Sycamore | DeKalb | IL0370550 | Inventory (2022 data) | Not stated | ||
| Taylorville | Christian | IL0210600 | Inventory (2021 data) | Not stated | ||
| Tinley Park | Cook | IL0314910 | Inventory (2022 data) | Not stated | ||
| Troy | Madison | IL1191000 | Inventory (2022 data) | Not stated | ||
| University of Ilinois - Urbana Champaign | Champaign | IL0195500 | Inventory (2022 data) | Not stated | ||
| Villa Park | DuPage | IL0430800 | Inventory (2022 data) | Not stated | ||
| Village of Montgomery | Kane | IL0894690 | Inventory (2022 data) | Not stated | ||
| Village of Park Forest (WTP) | Cook | IL0314740 | Inventory (2022 data) | Not stated | ||
| Warrenville | DuPage | IL0430833 | Inventory (2022 data) | Not stated | ||
| Washington | Tazewell | IL1790750 | Inventory (2022 data) | Not stated | ||
| Washington County Water Company | Washington | IL1895600 | Inventory (2022 data) | Not stated | ||
| Waterloo | Monroe | IL1330300 | Inventory (2022 data) | Not stated | ||
| Wauconda | Lake | IL0971850 | Inventory (2022 data) | Not stated | ||
| Waukegan | Lake | IL0971900 | Inventory (2022 data) | Not stated | ||
| West Chicago | DuPage | IL0430900 | Inventory (2022 data) | Not stated | ||
| Westchester | Cook | IL0313150 | Inventory (2020 data) | Not stated | ||
| Western Springs | Cook | IL0313180 | Inventory (2022 data) | Not stated | ||
| Westmont | DuPage | IL0430950 | Inventory (2022 data) | Not stated | ||
| Wheaton | DuPage | IL0431050 | Inventory (2022 data) | Not stated | ||
| Wheeling | Cook | IL0314970 | Inventory (2022 data) | Not stated | ||
| Wilmette | Cook | IL0313300 | Inventory (2022 data) | Not stated | ||
| Winnetka | Cook | IL0313330 | Inventory (2022 data) | Not stated | ||
| Wood Dale | DuPage | IL0431200 | Inventory (2022 data) | Not stated | ||
| Wood River | Madison | IL1191150 | Inventory (2022 data) | Not stated | ||
| Woodridge | DuPage | IL0431250 | Inventory (2022 data) | Not stated | ||
| Woodstock | McHenry | IL1110950 | Inventory (2020 data) | Not stated | ||
| Worth | Cook | IL0313360 | Inventory (2022 data) | Not stated | ||
| Yorkville | Kendall | IL0930250 | Inventory (2022 data) | Not stated | ||
| Zion | Lake | IL0972000 | Inventory (2022 data) | Not stated |
By system
Chicago
Chicago Department of Water Management
- Replacement
- "The City is offering several replacement programs that address both the public and private side of services - in many cases for free"3
- Free lead test
- "FREE LEAD TESTING FOR CHICAGO RESIDENTS"3
Service line inventory (2024 data)
Elgin
City of Elgin
- Replacement
- "For a lead service line replacement that is part of a City initiated project, or an emergency repair, the City will pay for the entire lead service line."4
- Free lead test and filter
- "The City of Elgin has partnered with 120Water to offer free water testing and pitcher filter kits for water customers who live or do business in Elgin."5
Service line inventory (2024 data)
Rockford
City of Rockford Water Division
- Replacement
- "If a property owner meets specific requirements and agrees to pay for the service line replacement on private property, the City of Rockford Water Division will coordinate and replace the portion in the public space at the same time."6
- Free lead test
- "To request a free lead test kit, contact Water Quality at 779-348-7151."6
Service line inventory (2022 data)
Springfield
City Water, Light, and Power
- Replacement
- "Individual property owners are responsible for any repairs or replacements to the section of private service line that runs from the meter pit or shutoff valve located near the street or in the outdoor meter pit to the home."7
Service line inventory (PDF)
Checked on each page October 5, 2026. Programs change and run out of money. Check the utility's page before you hire anyone.
Sources
- Illinois EPA, Lead Service Line Information
- Illinois EPA, Service line material inventory reports (CSV export)
- Chicago Department of Water Management, 2025 Water Quality Report (PDF)
- City of Elgin, Lead Service Line Replacement Program FAQ's
- City of Elgin, Lead Testing and Water Filter Program
- City of Rockford Water Division, Lead & Drinking Water
- City Water, Light, and Power, Lead Awareness
Checked October 5, 2026.