Upper Larchmont Road Dam
Upper Larchmont Road Dam is an earth dam located in Chemung County, New York, built in 2005. It carries a High hazard potential classification and has a poor condition assessment.
About Upper Larchmont Road Dam
The primary purpose of Upper Larchmont Road Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Town Of Elmira (local government). It impounds the None near West Elmira.
The dam stands 25 feet tall and stretches 900 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 12 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2005, the structure is relatively new.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 07/25/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New York dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New York |
| County | Chemung |
| Nearest City | West Elmira |
| River/Stream | None |
| Coordinates | 42.09444, -76.85222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 900 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 12 acre-ft |
| Max Storage | 12 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 114 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | TOWN OF ELMIRA |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 07/25/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY16122 |
| Federal ID | NY16122 |
| More Info | State Dam Safety Program |