Cooks Pond Dam
Cooks Pond Dam is an earth dam located in Morris County, New Jersey, built in 1945. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Cooks Pond Dam
The primary purpose of Cooks Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Township Of Denville (local government). It impounds the Rockaway River-tr near Boonton.
The dam stands 8 feet tall and stretches 440 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 77 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1945, 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 02/27/2023.
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Location
| State | New Jersey |
| County | Morris |
| Nearest City | Boonton |
| River/Stream | Rockaway River-tr |
| Coordinates | 40.91172, -74.45950 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 440 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 40 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Township of Denville |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/27/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00810 |
| Federal ID | NJ00810 |
| More Info | State Dam Safety Program |