Robert Alcorn Dam is an earth dam located in Cayuga County, New York, built in 1998. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 5,000 ft long, taller than 86% of U.S. dams with a recorded height. 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 Robert Alcorn Dam
The primary purpose of Robert Alcorn Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Allison Welch (private). It impounds the Tr-owasco Lake Outlet near Locke.
The dam stands 40 feet tall and stretches 5,000 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 107 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1998, the structure is 28 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 06/07/2012. That was over 14 years ago.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | New York |
| County | Cayuga |
| Nearest City | Locke |
| River/Stream | Tr-owasco Lake Outlet |
| Coordinates | 42.64167, -76.40833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 5,000 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 107 acre-ft |
| Max Storage | 107 acre-ft |
| Normal Storage | 84 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 463 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Allison Welch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/07/2012 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01527 |
| Federal ID | NY01527 |
| More Info | State Dam Safety Program |