Sunrise Lake Dam
Sunrise Lake Dam is an earth dam located in Morris County, New Jersey, built in 1930. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Sunrise Lake Dam
The primary purpose of Sunrise Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by County Of Morris Park Commission (local government). It impounds the Whippany River-tr near Morristown.
The dam stands 18 feet tall and stretches 495 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 30 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1930, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/08/2023.
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Location
| State | New Jersey |
| County | Morris |
| Nearest City | Morristown |
| River/Stream | Whippany River-tr |
| Coordinates | 40.78840, -74.54485 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 495 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 30 acre-ft |
| Max Storage | 30 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 55 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | County of Morris Park Commission |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/08/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00808 |
| Federal ID | NJ00808 |
| More Info | State Dam Safety Program |