Holcomb Pond Dam
Holcomb Pond Dam is an earth dam located in Sullivan County, New York, built in 1933. It carries a Significant hazard potential classification.
About Holcomb Pond Dam
The primary purpose of Holcomb Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Glen Lake Estates (private). It impounds the Tr-basket Brook near Acidalia.
The dam stands 10 feet tall and stretches 189 feet across, creates a reservoir covering 5 acres, has a storage capacity of 17 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1933, 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. The most recent inspection on record was 04/30/2025.
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Location
| State | New York |
| County | Sullivan |
| Nearest City | Acidalia |
| River/Stream | Tr-basket Brook |
| Coordinates | 41.90306, -75.02278 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 189 ft |
| Year Completed | 1933 (93 years old) |
Storage & Hydraulics
| NID Storage | 17 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GLEN LAKE ESTATES |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 04/30/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NY12483 |
| Federal ID | NY12483 |
| More Info | State Dam Safety Program |