Attica Dam (upper)
Attica Dam (upper) is an earth dam located in Wyoming County, New York, built in 1930. It carries a High hazard potential classification and has a fair condition assessment.
About Attica Dam (upper)
The primary purpose of Attica Dam (upper) is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Village Of Attica (local government). It impounds the Crow Creek near Attica.
The dam stands 32 feet tall and stretches 300 feet across, creates a reservoir covering 135 acres, has a maximum storage capacity of 2,520 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1930, the structure is well-established, with more than 75 years of service.
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 08/30/2023.
At 32 feet, this dam is taller than 76% of dams nationwide.
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 | Wyoming |
| Nearest City | Attica |
| River/Stream | Crow Creek |
| Coordinates | 42.78833, -78.23250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 300 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 2,520 acre-ft |
| Max Storage | 2,520 acre-ft |
| Normal Storage | 1,560 acre-ft |
| Surface Area | 135 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | VILLAGE OF ATTICA |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/30/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00445 |
| Federal ID | NY00445 |
| More Info | State Dam Safety Program |