White Hollow Dam is an arch dam located in Schuyler County, New York, built in 1936. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 34 ft34 ft tall and 122 ft long, taller than 78% 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 arch section and the water level is illustrative.
About White Hollow Dam
The primary purpose of White Hollow Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nys Parks & Recreation Finger Lakes (state). It impounds the Glen Creek near Watkins Glen.
The dam stands 34 feet tall and stretches 122 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 160 acre-feet, and collects water from a drainage area of 22 square miles. Completed in 1936, the structure is well-established, with more than 75 years of service.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/22/2023.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | New York |
| County | Schuyler |
| Nearest City | Watkins Glen |
| River/Stream | Glen Creek |
| Coordinates | 42.36472, -76.90917 |
Physical Characteristics
| Dam Type | Arch |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 122 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 138 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 22 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nys Parks & Recreation Finger Lakes |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/22/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY01413 |
| Federal ID | NY01413 |
| More Info | State Dam Safety Program |