Stewart Dam
Stewart Dam is an earth dam located in Sussex County, New Jersey, built in 1965. It carries a Significant hazard potential classification and has a poor condition assessment.
About Stewart Dam
The primary purpose of Stewart Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Mountain Creek Resort (private). It impounds the Black River-tr.
The dam stands 14 feet tall and stretches 300 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, the structure is well into its service life at over 50 years 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 03/11/2025.
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Location
| State | New Jersey |
| County | Sussex |
| River/Stream | Black River-tr |
| Coordinates | 41.17813, -74.50437 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 300 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Mountain Creek Resort |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 03/11/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NJ00654 |
| Federal ID | NJ00654 |
| More Info | State Dam Safety Program |