Lake Telemark Dam
Lake Telemark Dam is an earth dam located in Morris County, New Jersey, built in 1924. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Lake Telemark Dam
The primary purpose of Lake Telemark Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Telemark Country Club (private). It impounds the Hibernia Brook.
The dam stands 11 feet tall and stretches 375 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1924, 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 03/15/2024.
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Location
| State | New Jersey |
| County | Morris |
| River/Stream | Hibernia Brook |
| Coordinates | 40.95897, -74.50130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 375 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 59 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Telemark Country Club |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/15/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00336 |
| Federal ID | NJ00336 |
| More Info | State Dam Safety Program |