New Mill Pond Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| County | Suffolk |
| Nearest City | Smithtown |
| River/Stream | NORTHEAST BRANCH |
| Coordinates | 40.84278, -73.22806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 465 ft |
| Year Completed | 1825 (201 years old) |
Storage & Hydraulics
| NID Storage | 545 acre-ft |
| Max Storage | 545 acre-ft |
| Normal Storage | 308 acre-ft |
| Surface Area | 109 acres |
| Drainage Area | 23 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | SUFFOLK COUNTY DEPARTMENT OF PUBLIC WORKS |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 11/22/2024 |
| Emergency Action Plan | Not Required |