Lewis Dam is an earth dam located in Chemung County, New York. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 490 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 Lewis Dam
The primary purpose of Lewis Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Jason Lewis (private).
The dam stands 15 feet tall and stretches 490 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 7 acre-feet, and collects water from a drainage area of 0 square miles.
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.
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Location
| State | New York |
| County | Chemung |
| Nearest City | Elmira |
| Coordinates | 42.11667, -76.85444 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 490 ft |
Storage & Hydraulics
| NID Storage | 7 acre-ft |
| Max Storage | 7 acre-ft |
| Normal Storage | 4 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 253 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Jason Lewis |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY17225 |
| Federal ID | NY17225 |
| More Info | State Dam Safety Program |