Lake Te-ata Dam
Lake Te-ata Dam is a concrete dam located in Orange County, New York, built in 1927. It carries a Significant hazard potential classification and has a poor condition assessment.
About Lake Te-ata Dam
The primary purpose of Lake Te-ata Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nysoprhp - Palisades Interstate Park Commission (state). It impounds the Tr-popolopen Brook.
The dam stands 60 feet tall and stretches 460 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 284 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1927, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 10/04/2023.
At 60 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | New York |
| County | Orange |
| Nearest City | None |
| River/Stream | Tr-popolopen Brook |
| Coordinates | 41.32333, -74.07694 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 60 ft |
| Dam Height | 60 ft |
| Dam Length | 460 ft |
| Year Completed | 1927 (99 years old) |
Storage & Hydraulics
| NID Storage | 284 acre-ft |
| Max Storage | 284 acre-ft |
| Normal Storage | 284 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 5 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | NYSOPRHP - PALISADES INTERSTATE PARK COMMISSION |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 10/04/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY01095 |
| Federal ID | NY01095 |
| More Info | State Dam Safety Program |