We found 18 public water systems that could serve the same population as Us Port Of Entry-walhalla (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Northeast Rwd- North Valley Branch | County of Pembina | 3,422 | 0 | 1 |
| Cavalier City Of | Cavalier | 1,302 | 0 | 5 |
| North Valley Water Assoc. | County of Pembina | 1,000 | 0 | 0 |
| Walhalla City Of | Walhalla | 996 | 0 | 10 |
| Drayton City Of | Drayton | 824 | 0 | 11 |
| Pembina City Of | Pembina | 592 | 0 | 10 |
| Crystal City Of | County of Pembina | 500 | 0 | 0 |
| Neche City Of | Neche | 371 | 0 | 7 |
| St Thomas City Of | St. Thomas | 331 | 0 | 1 |
| North Valley Wd-system Iii - Gardar | County of Pembina | 170 | 0 | 0 |
| Cavalier Air Force Station | County of Pembina | 150 | 0 | 0 |
| Mountain City Of | Mountain | 92 | 0 | 0 |
| Adm Corn Processing | County of Pembina | 81 | 0 | 0 |
| Smuggler's Point Bar & Grill | County of Pembina | 40 | 0 | 0 |
| City Well | County of Pembina | 30 | 0 | 0 |
| Colonial Inn | County of Pembina | 25 | 0 | 0 |
| Ellen's Confectionery Grocery | County of Pembina | 0 | 0 | 0 |
| Us Port Of Entry-pembina | County of Pembina | 0 | 0 | 0 |