Summit Street Lake Dam
Summit Street Lake Dam is a stone dam located in Columbia County, New York, built in 1914. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Summit Street Lake Dam
The primary purpose of Summit Street 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 Philmont (local government). It impounds the Agawamuck Creek near Philmont.
The dam stands 28 feet tall and stretches 150 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 264 acre-feet, and collects water from a drainage area of 21 square miles. Completed in 1914, the structure is over a century 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/17/2025.
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 | Columbia |
| Nearest City | Philmont |
| River/Stream | Agawamuck Creek |
| Coordinates | 42.24639, -73.64806 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 150 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 264 acre-ft |
| Max Storage | 264 acre-ft |
| Normal Storage | 178 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 21 sq mi |
| Max Discharge | 5,413 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | VILLAGE OF PHILMONT |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/17/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00847 |
| Federal ID | NY00847 |
| More Info | State Dam Safety Program |