We found 19 public water systems that could serve the same population as Rock River C I C (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Spencer Water System | Spencer | 5,103 | 0 | 58 |
| Fall Creek Falls Utility Dist | County of Van Buren | 4,775 | 33 | 52 |
| Pineland School | County of Van Buren | 88 | 0 | 0 |
| Pineland Mission Gospel Ch | County of Van Buren | 75 | 0 | 0 |
| Highland Church Of Christ | County of Van Buren | 66 | 0 | 0 |
| Welchland Baptist Church | County of Van Buren | 62 | 0 | 0 |
| Hoston's Chapel Church Of God | County of Van Buren | 60 | 0 | 0 |
| White Hill Church Of Christ | County of Van Buren | 60 | 0 | 0 |
| Harmony Church Of Christ | County of Van Buren | 58 | 0 | 0 |
| Hillroad Assembly Of God | County of Van Buren | 54 | 0 | 0 |
| Mooneymill School | County of Van Buren | 52 | 0 | 0 |
| Cedar Grove School | County of Van Buren | 50 | 0 | 0 |
| White Hill Church Of Christ | County of Van Buren | 47 | 0 | 0 |
| Shockley Church Of Christ | County of Van Buren | 40 | 0 | 0 |
| Cummingville Methodist | County of Van Buren | 40 | 0 | 0 |
| Mooneyham Baptist Church | County of Van Buren | 40 | 0 | 0 |
| Laurel Creek Baptist Church | County of Van Buren | 35 | 0 | 0 |
| Welchland Baptist Church | County of Van Buren | 30 | 0 | 0 |
| Fall Creek Falls State Park | County of Van Buren | 27 | 0 | 0 |