Palmer Lake Dam is a concrete dam located in Essex County, New York, built in 1920. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 200 ft long, taller than 80% of U.S. dams with a recorded height. 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 Palmer Lake Dam
Palmer Lake Dam is a dam in Essex, New York. The dam is owned by Nys Dec (state). It impounds the The Branch near North Hudson.
The dam stands 35 feet tall and stretches 200 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 410 acre-feet, and collects water from a drainage area of 65 square miles. Completed in 1920, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 11/14/2024.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | New York |
| County | Essex |
| Nearest City | North Hudson |
| River/Stream | The Branch |
| Coordinates | 43.94972, -73.74250 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 200 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 410 acre-ft |
| Max Storage | 410 acre-ft |
| Normal Storage | 333 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 65 sq mi |
| Max Discharge | 1,780 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Nys Dec |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/14/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NY00687 |
| Federal ID | NY00687 |
| More Info | State Dam Safety Program |