Halcottsville Dam
Halcottsville Dam is a stone dam located in Delaware County, New York, built in 1909. It carries a Significant hazard potential classification and has a poor condition assessment.
About Halcottsville Dam
The primary purpose of Halcottsville Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by James Kelly (private). It impounds the East Branch Delaware River near Halcottsville.
The dam stands 7 feet tall and stretches 132 feet across, creates a reservoir covering 50 acres, has a maximum storage capacity of 250 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1909, the structure is over a century old.
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 01/10/2023.
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Location
| State | New York |
| County | Delaware |
| Nearest City | Halcottsville |
| River/Stream | East Branch Delaware River |
| Coordinates | 42.20861, -74.60167 |
Physical Characteristics
| Dam Type | Stone |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 132 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 10 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | JAMES KELLY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 01/10/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY01223 |
| Federal ID | NY01223 |
| More Info | State Dam Safety Program |