Water Systems
| Water System | Service Area | People Served | Contaminants detected |
|---|---|---|---|
LA Lansing | Lansing, IL | 27,657 | 20 |
WI Wilmette | Wilmette, IL | 27,650 | 26 |
WE West Chicago | West Chicago, IL | 27,086 | 26 |
HU Huntley | Huntley, IL | 27,000 | 16 |
ED Edwardsville | Edwardsville, IL | 26,808 | 24 |
OA Oak Forest | Oak Forest, IL | 26,547 | 20 |
CA Carbondale | Carbondale, IL | 26,138 | 25 |
BA Batavia | Batavia, IL | 26,098 | 25 |
MI Mid-Mark Water Commission | Cook County, IL | 25,986 | 10 |
FR Freeport | Freeport, IL | 25,648 | 33 |