Openaka Lake Dam
Significant HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | New Jersey |
| County | Morris |
| Nearest City | Denville |
| River/Stream | Den Brook |
| Coordinates | 40.85658, -74.52690 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 250 ft |
| Year Completed | 1750 (276 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 600 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Alexander Price |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 10/25/2023 |
| Emergency Action Plan | Yes |