Ryder Pond Dam
Ryder Pond Dam is a concrete dam located in Dutchess County, New York, built in 1951. It carries a Significant hazard potential classification and has a poor condition assessment.
About Ryder Pond Dam
The primary purpose of Ryder Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Taconic Girl Scouts (private). It impounds the Tr-stump Pond Brook near Ludingtonville.
The dam stands 12 feet tall and stretches 380 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 40 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1951, 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 11/07/2024.
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Location
| State | New York |
| County | Dutchess |
| Nearest City | Ludingtonville |
| River/Stream | Tr-stump Pond Brook |
| Coordinates | 41.55142, -73.69600 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 380 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 124 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | TACONIC GIRL SCOUTS |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/07/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY13899 |
| Federal ID | NY13899 |
| More Info | State Dam Safety Program |