Lapp Pond Dam
Lapp Pond Dam is an earth dam located in Dutchess County, New York, built in 1932. It carries a Significant hazard potential classification and has a poor condition assessment.
About Lapp Pond Dam
The primary purpose of Lapp Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Chestnut Ridge Rod & Gun Club (private). It impounds the Cooperstown Brook near South Dover.
The dam stands 7 feet tall and stretches 325 feet across, creates a reservoir covering 36 acres, and collects water from a drainage area of 1 square miles. Completed in 1932, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 11/06/2024.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New York |
| County | Dutchess |
| Nearest City | South Dover |
| River/Stream | Cooperstown Brook |
| Coordinates | 41.67261, -73.61844 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 325 ft |
| Year Completed | 1932 (94 years old) |
Storage & Hydraulics
| Surface Area | 36 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CHESTNUT RIDGE ROD & GUN CLUB |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/06/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY17065 |
| Federal ID | NY17065 |
| More Info | State Dam Safety Program |