| Business | Phone |
| Water Dept 121 Robin St, Dunkirk 14048 | (716) 366-4010 |
| Water Dept-Filtration Plant 110 Lake Shore Dr W, Dunkirk 14048 | (716) 366-2955 |
| Water Dept-Meter 121 Robin St, Dunkirk 14048 | (716) 366-3255 |
| Dunkirk Waste Water Treatment Wright Park Dr, Dunkirk 14048 | (716) 366-3611 |
| Dunkirk Water Dept 342 Central Ave, Dunkirk 14048 | (716) 366-9862 |