Merriewold Lake Dam
Merriewold Lake Dam is an earth dam located in Sullivan County, New York, built in 1914. It carries a Significant hazard potential classification and has a poor condition assessment.
About Merriewold Lake Dam
The primary purpose of Merriewold Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Merriewold Lake Club (private). It impounds the Tr-black Brook near Fowlerville.
The dam stands 10 feet tall and stretches 245 feet across, creates a reservoir covering 38 acres, and has a maximum storage capacity of 100 acre-feet. Completed in 1914, the structure is over a century 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/10/2023.
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Location
| State | New York |
| County | Sullivan |
| Nearest City | Fowlerville |
| River/Stream | Tr-black Brook |
| Coordinates | 41.57139, -74.72444 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 245 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 38 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MERRIEWOLD LAKE CLUB |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 08/10/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NY00986 |
| Federal ID | NY00986 |
| More Info | State Dam Safety Program |