Public Water Systems
5,117 active public water systems in IL, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Roberts | Roberts, IL | 367 | 67 | - |
| Orient | Orient, IL | 362 | 22 | - |
| Oak Grove Village | Farmington Hills, IL | 362 | 1 | - |
| Humboldt | Humboldt, IL | 361 | 81 | - |
| Ivesdale | Ivesdale, IL | 360 | 27 | - |
| Marquette Building | Newton, IL | 360 | 0 | - |
| New Canton | New Canton, IL | 359 | 19 | - |
| Norris | Norris, IL | 358 | 48 | - |
| Sparland | Sparland, IL | 358 | 47 | - |
| Cottonwood Cove MHP | Speld, IL | 358 | 0 | - |
| Herrick | Herrick, IL | 358 | 519 | - |
| Parkersburg | Parkersburg, IL | 356 | 90 | - |
| Jeffersonville (Geff) | Jeffersonville, IL | 355 | 27 | - |
| Crosspoint Community Church | Eureka, IL | 355 | 4 | - |
| Apostolic Christian Faith of Eureka | Brimfield, IL | 355 | 0 | - |
| Table Grove | Table Grove, IL | 353 | 131 | - |
| Forrest Park MHP | Speld, IL | 352 | 0 | - |
| Secor | Secor, IL | 351 | 73 | - |
| Ej Water-Dewey | Dieterich, IL | 350 | 79 | - |
| Falcon Farms | Port Byron, IL | 350 | 59 | - |
| Pheasant Run MHP | Coldwater, IL | 350 | 10 | - |
| Winslow | Freeport, IL | 350 | 130 | - |
| Oakwood Twp High School | Fithian, IL | 350 | 238 | - |
| Rainbow Council Scout Res Main | West Chicago, IL | 350 | 18 | - |
| Zion Lutheran Church (25015) | Naperville, IL | 350 | 1 | - |
| Newport School | Beach Park, IL | 350 | 616 | - |
| Als Tap #1 | Waukegan, IL | 350 | 0 | - |
| Central Galilee United Methodist Church | Prospect Heights, IL | 350 | 8 | - |
| West Oak Middle School | Antioch, IL | 350 | 43 | - |
| Diamond Lake School | Mundelein, IL | 350 | 54 | - |
| Oregon Tool | Oregon, IL | 350 | 239 | - |
| Mid-American Air Center | Lawrenceville, IL | 350 | 64 | - |
| Allied Locke Industries | Dixon, IL | 350 | 0 | - |
| Resurrection Church | Woodstock, IL | 350 | 12 | - |
| Lord of Glory/Gloryland Pre-SC | Grayslake, IL | 350 | 145 | - |
| Apple River | Apple River, IL | 347 | 218 | - |
| Summerfield | Summerfield, IL | 347 | 46 | - |
| Long Grove Dental Studio | Wilmette, IL | 345 | 1 | - |
| Panama | Aviston, IL | 343 | 225 | - |
| Bellflower | Bellflower, IL | 343 | 127 | - |
| Meadows of Bloomington MHP | Troy, IL | 343 | 82 | - |
| New Minden | New Minden, IL | 343 | 3 | - |
| Varna | Peru, IL | 342 | 95 | - |
| Ruma | Ruma, IL | 341 | 18 | - |
| Maeystown | Maeystown, IL | 340 | 177 | - |
| Cog Hill Country Club | Lemont, IL | 340 | 1,849 | - |
| Greater Quad City Auto Auction | Milan, IL | 340 | 96 | - |
| Meridian Village | Glen Carbon, IL | 339 | 13 | - |
| Alma | Alma, IL | 336 | 146 | - |
| Kampsville | Nebo, IL | 335 | 32 | - |