Van Derheyden Reservoir Dam
Van Derheyden Reservoir Dam is an earth dam located in Rensselaer County, New York, built in 1868. It carries a Significant hazard potential classification and has a poor condition assessment.
About Van Derheyden Reservoir Dam
The primary purpose of Van Derheyden Reservoir Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Brunswick (local government). It impounds the Piscawan Kill near Troy.
The dam stands 14 feet tall and stretches 380 feet across, creates a reservoir covering 48 acres, has a maximum storage capacity of 79 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1868, the structure is one of the older dams in the region, with over a century and a half 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. An emergency action plan is in place for this dam. The most recent inspection on record was 01/04/2023.
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Location
| State | New York |
| County | Rensselaer |
| Nearest City | Troy |
| River/Stream | Piscawan Kill |
| Coordinates | 42.76306, -73.63944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 380 ft |
| Year Completed | 1868 (158 years old) |
Storage & Hydraulics
| NID Storage | 79 acre-ft |
| Max Storage | 79 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 48 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 480 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | TOWN OF BRUNSWICK |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 01/04/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00116 |
| Federal ID | NY00116 |
| More Info | State Dam Safety Program |