Lock E-11 Dam at Amsterdam is an other dam located in Montgomery County, New York, built in 1910. It carries a Significant hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 670 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lock E-11 Dam at Amsterdam
The primary purpose of Lock E-11 Dam at Amsterdam is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by New York State Canal Corporation (state). It impounds the Erie Canal Mohawk River near Amsterdam.
The dam stands 20 feet tall and stretches 670 feet across, creates a reservoir covering 300 acres, and has a maximum storage capacity of 2,500 acre-feet. Completed in 1910, 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. The most recent inspection on record was 10/03/2023.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New York |
| County | Montgomery |
| Nearest City | Amsterdam |
| River/Stream | Erie Canal Mohawk River |
| Coordinates | 42.94667, -74.20917 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 670 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 2,500 acre-ft |
| Max Storage | 2,500 acre-ft |
| Normal Storage | 2,500 acre-ft |
| Surface Area | 300 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | New York State Canal Corporation |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/03/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NY00960 |
| Federal ID | NY00960 |
| More Info | State Dam Safety Program |