Merriewold Lake Dam
Merriewold Lake Dam is a concrete dam located in Orange County, New York, built in 1953. 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 Village Of South Blooming Grove (local government). It impounds the Satterly Creek near V Washingtonville.
The dam stands 50 feet tall and stretches 380 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 96 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1953, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 03/18/2024.
At 50 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | New York |
| County | Orange |
| Nearest City | V Washingtonville |
| River/Stream | Satterly Creek |
| Coordinates | 41.37528, -74.18528 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 380 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 96 acre-ft |
| Max Storage | 96 acre-ft |
| Normal Storage | 78 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,470 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | VILLAGE OF SOUTH BLOOMING GROVE |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 03/18/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00572 |
| Federal ID | NY00572 |
| More Info | State Dam Safety Program |