Third Reservoir Spillway And Dam
Significant HazardPoor ConditionEmergency Action Plan: Yes
Location
| County | Rockland |
| Nearest City | Thiells |
| River/Stream | TR-HORSE CHOCK BROOK |
| Coordinates | 41.20750, -74.08056 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 510 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 373 acre-ft |
| Max Storage | 373 acre-ft |
| Normal Storage | 267 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | NYSOPRHP - PALISADES INTERSTATE PARK COMMISSION |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 04/26/2023 |
| Emergency Action Plan | Yes |