We found 214 public water systems that could serve the same population as Brownstown (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Vandalia | Vandalia | 6,975 | 0 | 8 |
| Fayette Water Company | County of Fayette | 5,025 | 0 | 31 |
| Vandalia Correctional Center | County of Fayette | 1,950 | 0 | 40 |
| St Elmo | Saint Elmo | 1,483 | 0 | 41 |
| Ramsey | Ramsey | 1,056 | 0 | 7 |
| Farina | Farina | 600 | 0 | 8 |
| St Peter | Saint Peter | 359 | 0 | 4 |
| St Paul's Lutheran Church | County of Fayette | 180 | 0 | 0 |
| Horizons Child Care | County of Fayette | 170 | 0 | 21 |
| Bayle City Baptist Church | County of Fayette | 150 | 0 | 0 |
| Bethel Baptist Church (116293) | County of Fayette | 120 | 0 | 0 |
| First Church Of God | County of Fayette | 100 | 0 | 0 |
| Vi Enterprises | County of Fayette | 100 | 0 | 0 |
| Greenland Baptist Church | County of Fayette | 80 | 0 | 0 |
| Heritage House Nursing Home | County of Fayette | 79 | 0 | 0 |
| Temple Baptist Church | County of Fayette | 75 | 0 | 0 |
| Fay-co Enterprises | County of Fayette | 70 | 0 | 0 |
| Eli Heffron, Principal | County of Fayette | 60 | 0 | 0 |
| Oak Grove Mhp | Otego Twp | 55 | 0 | 0 |
| Jehovahs Witnesses | County of Fayette | 50 | 0 | 0 |
| Poor Boy Cafe | County of Fayette | 50 | 0 | 0 |
| Safari Inn | County of Fayette | 50 | 0 | 0 |
| Safari Inn | County of Fayette | 50 | 0 | 0 |
| Gale Meseke Principal | County of Fayette | 50 | 0 | 0 |
| Exxon Company Usa | County of Fayette | 45 | 0 | 0 |
| U Of I Brownstown Agronomy Ctr | County of Fayette | 44 | 0 | 0 |
| U Of I Brownstown Agronomy Ctr | County of Fayette | 44 | 0 | 0 |
| Vandalia Lake Recreation Area | County of Fayette | 40 | 0 | 0 |
| Vandalia Lake | County of Fayette | 40 | 0 | 0 |
| Fish N Feather Campground | County of Fayette | 35 | 0 | 0 |
| Natural Gas Pipeline Company | County of Fayette | 35 | 0 | 0 |
| Patoka Access Area Campground | County of Fayette | 30 | 0 | 0 |
| Gale Belcher B & G Bait Shop | County of Fayette | 29 | 0 | 0 |
| Gale Belcher B & G Bait Shop | County of Fayette | 27 | 0 | 0 |
| Walmart Supercenter (0148171) | County of Fayette | 25 | 0 | 0 |
| County Market Vandalia | County of Fayette | 25 | 0 | 0 |
| Harmon Foods Iga | County of Fayette | 25 | 0 | 0 |
| Soi Vandalia State House St Me | County of Fayette | 25 | 0 | 0 |
| Vandalia Lake Recreation Area | County of Fayette | 25 | 0 | 0 |
| Vandalia Lake Recreation Area | County of Fayette | 25 | 0 | 0 |
| St Elmo Golf Course | County of Fayette | 25 | 0 | 0 |
| St Elmo Golf Club | County of Fayette | 25 | 0 | 0 |
| Ramsey Lake State Park | County of Fayette | 25 | 0 | 0 |
| Soi Vandalia State House St Me | County of Fayette | 25 | 0 | 0 |
| Okaw Valley Campground (il3002709) | County of Fayette | 25 | 0 | 0 |
| Klines Truck Stop | County of Fayette | 25 | 0 | 0 |
| Hwy 51 Mkt Grocery | County of Fayette | 25 | 0 | 0 |
| Newsome Antique Gun Sales | County of Fayette | 25 | 0 | 0 |
| Ramsey Lake Golf Course | County of Fayette | 25 | 0 | 0 |
| Mt Pleasant Baptist Church | County of Fayette | 25 | 0 | 0 |
| Okaw River Kennel | County of Fayette | 25 | 0 | 0 |
| Villge Cafe | County of Fayette | 25 | 0 | 0 |
| Village Salvage Yard | County of Fayette | 25 | 0 | 0 |
| Kroger (132407) | County of Fayette | 25 | 0 | 0 |
| Prater Salvage Yard | County of Fayette | 25 | 0 | 0 |
| J H Clough Oil Field Const Ser | County of Fayette | 25 | 0 | 0 |
| WRIGHT'S CORNER STORE | County of Fayette | 25 | 0 | 0 |
| Kaskaskia Ch Of The Brethren | County of Fayette | 25 | 0 | 0 |
| Cook's Store | County of Fayette | 25 | 0 | 0 |
| Wilson Fish Farm | County of Fayette | 25 | 0 | 0 |
| Mobil Oil Corp | County of Fayette | 25 | 0 | 0 |
| Loudon Gun Club | County of Fayette | 25 | 0 | 0 |
| Radiator Repair | County of Fayette | 25 | 0 | 0 |
| Rhode's Salvage Yard | County of Fayette | 25 | 0 | 0 |
| Feller Oil Field Service | County of Fayette | 25 | 0 | 0 |
| Ford's Salvage | County of Fayette | 25 | 0 | 0 |
| Edwards Salvage Yard | County of Fayette | 25 | 0 | 0 |
| Mt Carmel United Meth Church | County of Fayette | 25 | 0 | 0 |
| Egyptian Nursery & Landscape C | County of Fayette | 25 | 0 | 0 |
| U S Post Office | County of Fayette | 25 | 0 | 0 |
| First Evangelical Lutheran Ch | County of Fayette | 25 | 0 | 0 |
| Immanuel Lutheran Church | County of Fayette | 25 | 0 | 0 |
| Macedonia Christian Church | County of Fayette | 25 | 0 | 0 |
| Four Mile First Christian Chur | County of Fayette | 25 | 0 | 0 |
| Okaw Valley Kampground (il3096081) | County of Fayette | 25 | 0 | 0 |
| Washburn Mhp | Sharon Twp | 25 | 0 | 0 |
| Ramsey Lake Stt Pk | Unspec Pl In Co | 25 | 0 | 0 |
| Someplace Else Cafe | County of Fayette | 25 | 0 | 0 |
| WRIGHT'S CORNER STORE | County of Fayette | 25 | 0 | 0 |
| Kaskaskia Ch Of The Brethren | County of Fayette | 25 | 0 | 0 |
| Cook's Store | County of Fayette | 25 | 0 | 0 |
| Wilson Fish Farm | County of Fayette | 25 | 0 | 0 |
| Mobil Oil Corp | County of Fayette | 25 | 0 | 0 |
| Loudon Gun Club | County of Fayette | 25 | 0 | 0 |
| Radiator Repair | County of Fayette | 25 | 0 | 0 |
| Rhode's Salvage Yard | County of Fayette | 25 | 0 | 0 |
| Feller Oil Field Service | County of Fayette | 25 | 0 | 0 |
| Exxon | County of Fayette | 25 | 0 | 0 |
| Ford's Salvage | County of Fayette | 25 | 0 | 0 |
| Natural Gas Pipeline Co Of Am | County of Fayette | 25 | 0 | 0 |
| Edwards Salvage Yard | County of Fayette | 25 | 0 | 0 |
| Mt Carmel United Meth Church | County of Fayette | 25 | 0 | 0 |
| Egyptian Nursery & Landscape C | County of Fayette | 25 | 0 | 0 |
| U S Post Office | County of Fayette | 25 | 0 | 0 |
| First Evangelical Lutheran Ch | County of Fayette | 25 | 0 | 0 |
| Immanuel Lutheran Church | County of Fayette | 25 | 0 | 0 |
| Macedonia Christian Church | County of Fayette | 25 | 0 | 0 |
| Four Mile First Christian Chur | County of Fayette | 25 | 0 | 0 |
| Shell Service Station | County of Fayette | 25 | 0 | 0 |
| Hodges Fence Erectors | County of Fayette | 25 | 0 | 0 |
| Mom & Dad's Place | County of Fayette | 25 | 0 | 0 |
| Bunyard Grain Elevator | County of Fayette | 25 | 0 | 0 |
| Rainbow Beauty Shop | County of Fayette | 25 | 0 | 0 |
| Hagarstown Methodist Church | County of Fayette | 25 | 0 | 0 |
| WRIGHT'S COUNTRY STORE | County of Fayette | 25 | 0 | 0 |
| Vandalia Airport | County of Fayette | 25 | 0 | 0 |
| Vandalia Electric Motor Servic | County of Fayette | 25 | 0 | 0 |
| Marcel's House Of Beauty | County of Fayette | 25 | 0 | 0 |
| Bethel Southern Baptist Church | County of Fayette | 25 | 0 | 0 |
| Dennings Country Sales | County of Fayette | 25 | 0 | 0 |
| Bayle Grain | County of Fayette | 25 | 0 | 0 |
| Bingham Park Pavillion | County of Fayette | 25 | 0 | 0 |
| Jerry Kline | County of Fayette | 25 | 0 | 0 |
| Bingham Park | County of Fayette | 25 | 0 | 0 |
| Bayle City Baptist Church | County of Fayette | 25 | 0 | 0 |
| Bingham Baptist Church | County of Fayette | 25 | 0 | 0 |
| New Bethel Southern Baptist Ch | County of Fayette | 25 | 0 | 0 |
| Anne's Grocery | County of Fayette | 25 | 0 | 0 |
| Liberty Christian Church | County of Fayette | 25 | 0 | 0 |
| Barker's Store | County of Fayette | 25 | 0 | 0 |
| YARBOROUGH'S USED CAR SALES | County of Fayette | 25 | 0 | 0 |
| Cripe Grain & Truck Service | County of Fayette | 25 | 0 | 0 |
| Oliver's Lawn Mower Sales | County of Fayette | 25 | 0 | 0 |
| Ron's Greenhouse | County of Fayette | 25 | 0 | 0 |
| Marilyn Dee's Ceramic Shop | County of Fayette | 25 | 0 | 0 |
| Carlyle Lake Wildlife Mgmt Hqt | County of Fayette | 25 | 0 | 0 |
| Columbus Southern Baptist Chur | County of Fayette | 25 | 0 | 0 |
| Crown Point Community Church | County of Fayette | 25 | 0 | 0 |
| The Rummage Shop | County of Fayette | 25 | 0 | 0 |
| Pittsburg Free Methodist Churc | County of Fayette | 25 | 0 | 0 |
| Eakin & Emerick Inc | County of Fayette | 25 | 0 | 0 |
| Hagarstown Town Hall | County of Fayette | 25 | 0 | 0 |
| Hagarstown Baptist Church | County of Fayette | 25 | 0 | 0 |
| Hopkins Welding Shop | County of Fayette | 25 | 0 | 0 |
| Eckhardt's Sales & Service | County of Fayette | 25 | 0 | 0 |
| Eldorado Showcase | County of Fayette | 25 | 0 | 0 |
| Karen's Beauty Shop | County of Fayette | 25 | 0 | 0 |
| Bluff Implement Co | County of Fayette | 25 | 0 | 0 |
| Taylor's Ready Mix Co | County of Fayette | 25 | 0 | 0 |
| Haley Chapel United Meth Churc | County of Fayette | 25 | 0 | 0 |
| Black Welding Service | County of Fayette | 25 | 0 | 0 |
| Mosley Furniture Mart | County of Fayette | 25 | 0 | 0 |
| Denning Auto Sales | County of Fayette | 25 | 0 | 0 |
| Wehrle's Antiques | County of Fayette | 25 | 0 | 0 |
| Vandalia Lake Recreation Area | County of Fayette | 25 | 0 | 0 |
| YARBOROUGH'S USED CAR SALES | County of Fayette | 25 | 0 | 0 |
| Warner's Cycle Shop | County of Fayette | 25 | 0 | 0 |
| Thompsons Tv & Radio Service | County of Fayette | 25 | 0 | 0 |
| Independant's Church | County of Fayette | 25 | 0 | 0 |
| G L Beaumont Lumber Co | County of Fayette | 25 | 0 | 0 |
| WORKER'S FEED CENTER | County of Fayette | 25 | 0 | 0 |
| Hwy 51 Mkt Grocery | County of Fayette | 25 | 0 | 0 |
| Newsome Antique Gun Sales | County of Fayette | 25 | 0 | 0 |
| Ramsey Lake Golf Course | County of Fayette | 25 | 0 | 0 |
| Mt Pleasant Baptist Church | County of Fayette | 25 | 0 | 0 |
| Okaw River Kennel | County of Fayette | 25 | 0 | 0 |
| Villge Cafe | County of Fayette | 25 | 0 | 0 |
| Village Salvage Yard | County of Fayette | 25 | 0 | 0 |
| Prater Salvage Yard | County of Fayette | 25 | 0 | 0 |
| J H Clough Oil Field Const Ser | County of Fayette | 25 | 0 | 0 |
| Vandalia Koa Kampgrounds | County of Fayette | 25 | 0 | 0 |
| Shell Service Station | County of Fayette | 25 | 0 | 0 |
| Hodges Fence Erectors | County of Fayette | 25 | 0 | 0 |
| Mom & Dad's Place | County of Fayette | 25 | 0 | 0 |
| Bunyard Grain Elevator | County of Fayette | 25 | 0 | 0 |
| Rainbow Beauty Shop | County of Fayette | 25 | 0 | 0 |
| Hagarstown Methodist Church | County of Fayette | 25 | 0 | 0 |
| WRIGHT'S COUNTRY STORE | County of Fayette | 25 | 0 | 0 |
| Vandalia Airport | County of Fayette | 25 | 0 | 0 |
| Vandalia Electric Motor Servic | County of Fayette | 25 | 0 | 0 |
| Marcel's House Of Beauty | County of Fayette | 25 | 0 | 0 |
| Bethel Southern Baptist Church | County of Fayette | 25 | 0 | 0 |
| Dennings Country Sales | County of Fayette | 25 | 0 | 0 |
| Bayle Grain | County of Fayette | 25 | 0 | 0 |
| Bingham Park Pavillion | County of Fayette | 25 | 0 | 0 |
| Bingham Park | County of Fayette | 25 | 0 | 0 |
| Bingham Baptist Church | County of Fayette | 25 | 0 | 0 |
| New Bethel Southern Baptist Ch | County of Fayette | 25 | 0 | 0 |
| Pittsburg Free Methodist Churc | County of Fayette | 25 | 0 | 0 |
| Eakin & Emerick Inc | County of Fayette | 25 | 0 | 0 |
| Hagarstown Town Hall | County of Fayette | 25 | 0 | 0 |
| Hagarstown Baptist Church | County of Fayette | 25 | 0 | 0 |
| Hopkins Welding Shop | County of Fayette | 25 | 0 | 0 |
| Eckhardt's Sales & Service | County of Fayette | 25 | 0 | 0 |
| Eldorado Showcase | County of Fayette | 25 | 0 | 0 |
| Karen's Beauty Shop | County of Fayette | 25 | 0 | 0 |
| Bluff Implement Co | County of Fayette | 25 | 0 | 0 |
| Taylor's Ready Mix Co | County of Fayette | 25 | 0 | 0 |
| Haley Chapel United Meth Churc | County of Fayette | 25 | 0 | 0 |
| Black Welding Service | County of Fayette | 25 | 0 | 0 |
| Mosley Furniture Mart | County of Fayette | 25 | 0 | 0 |
| Denning Auto Sales | County of Fayette | 25 | 0 | 0 |
| Wehrle's Antiques | County of Fayette | 25 | 0 | 0 |
| YARBOROUGH'S USED CAR SALES | County of Fayette | 25 | 0 | 0 |
| Warner's Cycle Shop | County of Fayette | 25 | 0 | 0 |
| Thompsons Tv & Radio Service | County of Fayette | 25 | 0 | 0 |
| Independant's Church | County of Fayette | 25 | 0 | 0 |
| G L Beaumont Lumber Co | County of Fayette | 25 | 0 | 0 |
| WORKER'S FEED CENTER | County of Fayette | 25 | 0 | 0 |
| Anne's Grocery | County of Fayette | 25 | 0 | 0 |
| Liberty Christian Church | County of Fayette | 25 | 0 | 0 |
| Barker's Store | County of Fayette | 25 | 0 | 0 |
| YARBOROUGH'S USED CAR SALES | County of Fayette | 25 | 0 | 0 |
| Cripe Grain & Truck Service | County of Fayette | 25 | 0 | 0 |
| Oliver's Lawn Mower Sales | County of Fayette | 25 | 0 | 0 |
| Ron's Greenhouse | County of Fayette | 25 | 0 | 0 |
| Marilyn Dee's Ceramic Shop | County of Fayette | 25 | 0 | 0 |
| Carlyle Lake Wildlife Mgmt Hqt | County of Fayette | 25 | 0 | 0 |
| Columbus Southern Baptist Chur | County of Fayette | 25 | 0 | 0 |
| Crown Point Community Church | County of Fayette | 25 | 0 | 0 |
| The Rummage Shop | County of Fayette | 25 | 0 | 0 |
| Vandalia Koa Kampgrounds | County of Fayette | 25 | 0 | 0 |
| Kaskaskia Springs Water Co. | Vandalia | 1 | 0 | 0 |
| State Of Illinois Vandalia St | State Of Illino | 0 | 0 | 0 |