Thorne Dam
Significant HazardFair ConditionEmergency Action Plan: Yes
Location
| County | Dutchess |
| Nearest City | Wassaic |
| River/Stream | WASSAIC CREEK |
| Coordinates | 41.81639, -73.58389 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 227 ft |
| Year Completed | 1905 (121 years old) |
Storage & Hydraulics
| NID Storage | 44 acre-ft |
| Max Storage | 44 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 21 sq mi |
| Max Discharge | 1,790 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | THORNE'S DAM LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 03/22/2023 |
| Emergency Action Plan | Yes |