Newtown Hoffman Site 3a Dam
Newtown Hoffman Site 3a Dam is an earth dam located in Chemung County, New York, built in 1976. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Newtown Hoffman Site 3a Dam
The primary purpose of Newtown Hoffman Site 3a Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Chemung County Soil & Water (local government). It impounds the Newtown Creek near Erin.
The dam stands 53 feet tall and stretches 800 feet across, creates a reservoir covering 100 acres, has a maximum storage capacity of 1,191 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1976, the structure is 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 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 06/18/2024.
At 53 feet, this dam is taller than 94% 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 | Chemung |
| Nearest City | Erin |
| River/Stream | Newtown Creek |
| Coordinates | 42.22333, -76.67167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 53 ft |
| Dam Height | 53 ft |
| Dam Length | 800 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 1,191 acre-ft |
| Max Storage | 1,191 acre-ft |
| Normal Storage | 380 acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 7,155 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CHEMUNG COUNTY SOIL & WATER |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/18/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00617 |
| Federal ID | NY00617 |
| More Info | State Dam Safety Program |