Sleepy Valley Dam
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | New Jersey |
| County | Sussex |
| Nearest City | Independence Corners |
| River/Stream | Wallkill River-TR |
| Coordinates | 41.22052, -74.54143 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 270 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Normal Storage | 81 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 390 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Tall Timbers Property Owners Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/25/2024 |
| Emergency Action Plan | Yes |