Second Pond Dam
Second Pond Dam is an earth dam located in Rensselaer County, New York, built in 1975. It carries a High hazard potential classification and has a fair condition assessment.
About Second Pond Dam
The primary purpose of Second Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nys Parks, Recreation & Historic Preservation (state). It impounds the Tr-quacken Kill near Grafton.
The dam stands 9 feet tall and stretches 250 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 415 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 01/05/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New York dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New York |
| County | Rensselaer |
| Nearest City | Grafton |
| River/Stream | Tr-quacken Kill |
| Coordinates | 42.77833, -73.45000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 250 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 415 acre-ft |
| Max Storage | 415 acre-ft |
| Normal Storage | 415 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | NYS PARKS, RECREATION & HISTORIC PRESERVATION |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 01/05/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY01313 |
| Federal ID | NY01313 |
| More Info | State Dam Safety Program |