Henderson Lake Dam
Henderson Lake Dam is an earth dam located in Essex County, New York, built in 1900. It carries a Low hazard potential classification.
About Henderson Lake Dam
The primary purpose of Henderson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nys Dec (state). It impounds the Indian Brook near Tahawus.
The dam stands 19 feet tall and stretches 283 feet across, creates a reservoir covering 306 acres, has a maximum storage capacity of 3,468 acre-feet, and collects water from a drainage area of 17 square miles. Completed in 1900, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New York |
| County | Essex |
| Nearest City | Tahawus |
| River/Stream | Indian Brook |
| Coordinates | 44.09139, -74.06028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 283 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 3,468 acre-ft |
| Max Storage | 3,468 acre-ft |
| Normal Storage | 1,923 acre-ft |
| Surface Area | 306 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 512 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | NYS DEC |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 11/14/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01121 |
| Federal ID | NY01121 |
| More Info | State Dam Safety Program |