Tivoli Lake Spillway
Significant HazardPoor ConditionEmergency Action Plan: No
Location
| County | Rockland |
| Nearest City | Sloatsburg |
| River/Stream | TR-RAMAPO RIVER |
| Coordinates | 41.14611, -74.20528 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 5 ft |
| Dam Height | 5 ft |
| Dam Length | 205 ft |
| Year Completed | 1908 (118 years old) |
Storage & Hydraulics
| NID Storage | 1,100 acre-ft |
| Max Storage | 1,100 acre-ft |
| Normal Storage | 800 acre-ft |
| Surface Area | 103 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | PIERSON LAKE HOMEOWNERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 08/28/2024 |
| Emergency Action Plan | No |