We found 18 public water systems that could serve the same population as St. Patricks Parish (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Shay Water Co, Inc. | Merrill | 1,000 | 0 | 0 |
| Merrill Elementary | Merrill | 450 | 0 | 0 |
| Merrill High School | Merrill | 400 | 0 | 0 |
| Merrill Middle School | Merrill | 350 | 0 | 0 |
| Lake Of Dreams Campground | Merrill | 300 | 0 | 4 |
| WOODY'S PLACE INC. | Merrill | 200 | 0 | 0 |
| Merrill Sunoco | Merrill | 100 | 0 | 0 |
| Merrill Tool & Machine | Merrill | 60 | 0 | 0 |
| Twin Bridges Golf Club | Merrill | 50 | 0 | 0 |
| Merrill Dairy Bar | Merrill | 50 | 0 | 0 |
| M-46 Station | Merrill | 50 | 0 | 0 |
| Columbian Building Association | Merrill | 50 | 0 | 0 |
| Bible Baptist Church | Merrill | 40 | 0 | 0 |
| Little Bambino's | Merrill | 40 | 0 | 0 |
| Sacred Heart Church | Merrill | 40 | 0 | 0 |
| Jonesfield Township Hall | Merrill | 25 | 0 | 0 |
| Chriss Bar | Merrill | 25 | 0 | 0 |
| Jam's | Merrill | 25 | 0 | 0 |