Alexander Lake Dam
Alexander Lake Dam is an earth dam located in Tioga County, New York, built in 1965. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Alexander Lake Dam
The primary purpose of Alexander Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Newark Valley Central School District (private). It impounds the Tr-east Branch Owego Creek near Newark Valley.
The dam stands 12 feet tall and stretches 450 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 158 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, 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 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 02/14/2024.
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 | Tioga |
| Nearest City | Newark Valley |
| River/Stream | Tr-east Branch Owego Creek |
| Coordinates | 42.22861, -76.20028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 450 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 158 acre-ft |
| Max Storage | 158 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,037 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | NEWARK VALLEY CENTRAL SCHOOL DISTRICT |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/14/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00936 |
| Federal ID | NY00936 |
| More Info | State Dam Safety Program |