Brant Lake Lower Dam is a concrete dam located in Warren County, New York, built in 1907. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 91 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Brant Lake Lower Dam
The primary purpose of Brant Lake Lower Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Warren County (local government). It impounds the Tr-schroon River near Brant Lake.
The dam stands 18 feet tall and stretches 91 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 40 acre-feet. Completed in 1907, 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 09/27/2023.
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Location
| State | New York |
| County | Warren |
| Nearest City | Brant Lake |
| River/Stream | Tr-schroon River |
| Coordinates | 43.67611, -73.75278 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 91 ft |
| Year Completed | 1907 (119 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 1,100 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Warren County |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/27/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY13315 |
| Federal ID | NY13315 |
| More Info | State Dam Safety Program |