Little Falls Reservoir Dam
Little Falls Reservoir Dam is an earth dam located in Herkimer County, New York, built in 1901. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Little Falls Reservoir Dam
The primary purpose of Little Falls Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Little Falls (local government). It impounds the Tr-mohawk River near Little Falls.
The dam stands 42 feet tall and stretches 200 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 101 acre-feet. Completed in 1901, 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 05/18/2023.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | New York |
| County | Herkimer |
| Nearest City | Little Falls |
| River/Stream | Tr-mohawk River |
| Coordinates | 43.06000, -74.86833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 200 ft |
| Year Completed | 1901 (125 years old) |
Storage & Hydraulics
| NID Storage | 101 acre-ft |
| Max Storage | 101 acre-ft |
| Normal Storage | 77 acre-ft |
| Surface Area | 6 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF LITTLE FALLS |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/18/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00191 |
| Federal ID | NY00191 |
| More Info | State Dam Safety Program |