Camp Nyoda Dam
Camp Nyoda Dam is an earth dam located in Morris County, New Jersey, built in 1912. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Camp Nyoda Dam
The primary purpose of Camp Nyoda Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nyoda Girls Camp (private). It impounds the East Branch Rockaway River near Jefferson.
The dam stands 9 feet tall and stretches 175 feet across, creates a reservoir covering 3 acres, has a storage capacity of 14 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1912, the structure is over a century old.
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 03/29/2023.
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Location
| State | New Jersey |
| County | Morris |
| Nearest City | Jefferson |
| River/Stream | East Branch Rockaway River |
| Coordinates | 41.01803, -74.50042 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 175 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 14 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nyoda Girls Camp |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/29/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00319 |
| Federal ID | NJ00319 |
| More Info | State Dam Safety Program |