We found 39 public water systems that could serve the same population as Columbia City Water Department (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Tri Lake Baptist Church | Columbia City | 999 | 0 | 0 |
| Willow Tree Inn The Restrnt | Columbia City | 999 | 0 | 0 |
| Tri-lakes Bait & Tackle | Columbia City | 999 | 0 | 0 |
| Washington Ctr Unided Mth Ch | Columbia City | 999 | 0 | 0 |
| Big Lake Church Of God | Columbia City | 999 | 0 | 0 |
| B T Roberts Free Meth Church | Columbia City | 999 | 0 | 0 |
| Jefferson Chapel Untd Mth Ch | Columbia City | 999 | 0 | 0 |
| Laud Christian Chruch | Columbia City | 999 | 0 | 0 |
| Ormas Baptist Church | Columbia City | 999 | 0 | 0 |
| Oak Grove Methodist Church | Columbia City | 999 | 0 | 0 |
| Camp Whitley, Inc. | Columbia City | 600 | 0 | 0 |
| Tri-lakes Park | Columbia City | 500 | 0 | 0 |
| Northern Heights Elementary School | Columbia City | 500 | 0 | 156 |
| New Hope Wesleyan Church | Columbia City | 378 | 0 | 3 |
| Washington School | Columbia City | 313 | 0 | 0 |
| Miami Village Mobile Home Park | Columbia City | 300 | 0 | 11 |
| Micropulse Incorporated | Columbia City | 260 | 0 | 1 |
| Oak Grove Church Of God | Columbia City | 201 | 0 | 16 |
| Whitley Co Memorial Hospital | Columbia City | 200 | 0 | 0 |
| Crooked Lake Golf Course | Columbia City | 127 | 0 | 9 |
| Blue River Church Of The Brethren | Columbia City | 126 | 0 | 7 |
| St. John Lutheran Church | Columbia City | 120 | 0 | 0 |
| Crossroads Inn | Columbia City | 103 | 0 | 0 |
| Coupled Products, Llc | Columbia City | 100 | 0 | 0 |
| Timmys Nook Llc | Columbia City | 100 | 0 | 0 |
| Ormas Baptist Church | Columbia City | 93 | 0 | 0 |
| St. Matthews United Methodist Church | Columbia City | 92 | 0 | 0 |
| Ottos Campground | Columbia City | 70 | 0 | 0 |
| The Oaks - South Well | Columbia City | 65 | 0 | 0 |
| The Oaks - North Well | Columbia City | 65 | 0 | 0 |
| Big Lake Church Of God | Columbia City | 48 | 0 | 0 |
| Eberhard Lutheran Church | Columbia City | 45 | 0 | 0 |
| Goose Lake Resort | Columbia City | 28 | 0 | 0 |
| Mr. Wilcoxson , Tom | Columbia City | 25 | 0 | 0 |
| Roanoke Baptist Church | Columbia City | 25 | 0 | 0 |
| Parkview Whitley Hospital | Columbia City | 25 | 0 | 0 |
| Jefferson Chapel | Columbia City | 25 | 0 | 0 |
| Black Lake Lodge North | Columbia City | 25 | 0 | 0 |
| Loon Lake Cmpgrd | Columbia City | 25 | 0 | 0 |