We found 28 public water systems that could serve the same population as Trailhead Boathouse Restaurant & Campground (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| D.i. Resort & Conference Centr | Drummond Island | 430 | 0 | 2 |
| D.i. Resort & Cc-hill Wells | Drummond Island | 195 | 0 | 4 |
| D.i. Tee Pee | Drummond Island | 150 | 0 | 11 |
| Drummond Island Yacht Haven | Drummond Island | 126 | 0 | 4 |
| Drummond Island Moose Lodge | Drummond Island | 100 | 0 | 0 |
| Chucks Place | Drummond Island | 100 | 0 | 0 |
| Sune's Grocery/northwood Restaurant & Bar | Drummond Island | 100 | 0 | 0 |
| Drummond Island Township Park | Drummond Island | 86 | 0 | 0 |
| Drummond Island Township Park | Drummond Island | 86 | 0 | 0 |
| Wa-wen Rvs & Cabins | Drummond Island | 80 | 0 | 0 |
| H & H Resort | Drummond Island | 76 | 0 | 0 |
| Drummond Island Lutheran Church | Drummond Island | 70 | 0 | 0 |
| Lighthouse Christian Church | Drummond Island | 70 | 0 | 0 |
| Bear Track Inn | Drummond Island | 60 | 0 | 0 |
| Drummond Island Golf Course | Drummond Island | 60 | 0 | 0 |
| Drummond Island Elem School | Drummond Island | 60 | 0 | 0 |
| D.i. Resort & Cc-1/2 Way Shack | Drummond Island | 50 | 0 | 0 |
| Vechell's Cedar View Resort | Drummond Island | 44 | 0 | 0 |
| Papin's Resort | Drummond Island | 40 | 0 | 0 |
| Sparzak's Misty Harbor Resort | Drummond Island | 40 | 0 | 0 |
| Esther's Authentic Mexican Cuisine | Drummond Island | 40 | 0 | 0 |
| Drummond Island Yacht Haven | Drummond Island | 38 | 0 | 0 |
| Birch Tree Resort | Drummond Island | 38 | 0 | 0 |
| Lake View Resort | Drummond Island | 36 | 0 | 0 |
| Drummond Island Medical Center | Drummond Island | 30 | 0 | 0 |
| Drummond Island Hotel | Drummond Island | 30 | 0 | 0 |
| Drummond Island Township Hall | Drummond Island | 30 | 0 | 0 |
| La Lakes Resort | Drummond Island | 26 | 0 | 0 |