| Plumb Brook | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Mouth: | Grass River |
| Mouth Location: | Russell, New York |
| Mouth Coordinates: | 44.425°N -75.1339°W |
| Mouth Elevation: | 571feet |
| Basin Size: | 35.3sqmi |
The Plumb Brook flows into the Grass River in Russell, New York.[1]