Adirondack Acres Dam A
Adirondack Acres Dam A is an earth dam located in Lewis County, New York, built in 1971. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Adirondack Acres Dam A
The primary purpose of Adirondack Acres Dam A is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Of The Pines Land Owners Association, Inc. (private). It impounds the Brantingham Lake Outlet near Greig.
The dam stands 24 feet tall and stretches 175 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 238 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1971, 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 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 04/16/2025.
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Location
| State | New York |
| County | Lewis |
| Nearest City | Greig |
| River/Stream | Brantingham Lake Outlet |
| Coordinates | 43.67833, -75.27500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 175 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 238 acre-ft |
| Max Storage | 238 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 700 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LAKE OF THE PINES LAND OWNERS ASSOCIATION, INC. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/16/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00586 |
| Federal ID | NY00586 |
| More Info | State Dam Safety Program |