Leroy Reservoir Dam is an earth dam located in Genesee County, New York, built in 1960. It carries a Significant hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 500 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 Leroy Reservoir Dam
The primary purpose of Leroy 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 Noblehurst Farms Service (private). It impounds the Tr-mud Creek near Leroy.
The dam stands 17 feet tall and stretches 500 feet across, creates a reservoir covering 68 acres, has a maximum storage capacity of 261 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1960, the structure is well into its service life at over 50 years 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 09/23/2022.
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Location
| State | New York |
| County | Genesee |
| Nearest City | Leroy |
| River/Stream | Tr-mud Creek |
| Coordinates | 42.89444, -77.97556 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 500 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 261 acre-ft |
| Max Storage | 261 acre-ft |
| Normal Storage | 196 acre-ft |
| Surface Area | 68 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,600 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Noblehurst Farms Service |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/23/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NY00881 |
| Federal ID | NY00881 |
| More Info | State Dam Safety Program |