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 |
| Franklin Creek State Park - Park Hq | Franklin Grove, IL | 25 | 5 | - |
| Buddy's Bites N Brews | Mt Prospect, IL | 25 | 9 | - |
| Marshall Co Sportsmens Club (118760) | Peoria, IL | 25 | 9 | - |
| Cog Hill C C Center Stand | Lemont, IL | 25 | 8 | - |
| Cog Hill C C Waterhole Stand | Lemont, IL | 25 | 8 | - |
| Tameling Campground | West Chicago, IL | 25 | 9 | - |
| Three Way Gas Stop | Bartonville, IL | 25 | 0 | - |
| Lake Senachwine Upper | Hennepin, IL | 25 | 18 | - |
| Joeys Red Hots | Orland Park, IL | 25 | 3 | - |
| Colsp/Oak Point East #3 | Waukegan, IL | 25 | 0 | - |
| Pearl Lake RV Resort LLC-Backup | South Beloit, IL | 25 | 10 | - |
| Chebanse Recreation Area Main | Chebanse, IL | 25 | 26 | - |
| Glenwood Resort Owners Assn | Marseilles, IL | 25 | 7 | - |
| Our Redeemer Lutheran Church | Prospect Heights, IL | 25 | 40 | - |
| Glenwood RV Resort (120832) | Marseilles, IL | 25 | 58 | - |
| Glacial Park Keystone | Woodstock, IL | 25 | 6 | - |
| Banner Day Camp | West Chicago, IL | 25 | 12 | - |
| Old Wayne Golf Club (Hw #4) | West Chicago, IL | 25 | 0 | - |
| Country View Golf Course | Geneseo, IL | 25 | 4 | - |
| Webbs Valley View Campground | Canton, IL | 25 | 106 | - |
| Clinton Marina | Clinton, IL | 25 | 25 | - |
| Rock Cut State Park-Prairie View | Loves Park, IL | 25 | 3 | - |
| Rock Cut State Park-White Oak | Loves Park, IL | 25 | 8 | - |
| Dixon Elks Page Park | Dixon, IL | 25 | 6 | - |
| Sav a Lot Georgetown | Vista, IL | 25 | 0 | - |
| Tuscola Iga R/O Vending Unit | Vista, IL | 25 | 0 | - |
| Lakeside Camping Resort (122846) | Glen Carbon, IL | 25 | 16 | - |
| Krogers-East Peoria | Vista, IL | 25 | 0 | - |
| Krogers-Morton | Vista, IL | 25 | 0 | - |
| Schnucks (123075) | Vista, IL | 25 | 3 | - |
| The Wedron Office | Ottawa, IL | 25 | 9 | - |
| Hunters Sports Bar 2 | Fulton, IL | 25 | 10 | - |
| Fresh Thyme Farmers Market Bloomington | Santa Fe, IL | 25 | 0 | - |
| Leisure Lake Campground Comfort | Rock Falls, IL | 25 | 4 | - |
| Hononegah Forest Preserve-Bike Path Hp | Rockford, IL | 25 | 7 | - |
| Van Patten Woods Youth Camp | West Chicago, IL | 25 | 11 | - |
| Scuttle Inn | Percy, IL | 25 | 4 | - |
| Searls Park Ball Diamond | Rockford, IL | 25 | 29 | - |
| Veterans Memorial Park | Rockford, IL | 25 | 16 | - |
| Berkots (125567) | Centerville, IL | 25 | 0 | - |
| Frankfort Circle K | St John, IL | 25 | 1 | - |
| County Market Tilton | Lincoln, IL | 25 | 0 | - |
| Oak Crest Proffessional Bldg | Waukegan, IL | 25 | 2 | - |
| Wilson Nurseries Camp No 2 | Hampshire, IL | 25 | 34 | - |
| Wilson Nurseries Camp No 3 | West Chicago, IL | 25 | 26 | - |
| Midwest Fiber Products Inc | Viola, IL | 25 | 6 | - |
| Spring Lake Conservation Area (126136) | Manito, IL | 25 | 23 | - |
| Rosecrans Motel | Waukegan, IL | 25 | 1 | - |
| Oak Creek Tennis Club | Yorkville, IL | 25 | 29 | - |
| Rolling Oaks Campground (126573) | Sheridan, IL | 25 | 35 | - |