Halcottsville Dam

EAST BRANCH DELAWARE RIVER· Delaware, New York· Built 1909· Stone· 7 ft tall
Significant Hazard Recreation Private

Key Takeaway

Halcottsville Dam is classified as significant hazard in New York. It was completed in 1909 and is 117 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 7 ft (taller than 0.9% in NY)
Dam Length132 ft
Dam TypeStone
Max Storage250 acre-ft
Normal Storage100 acre-ft
Surface Area50 acres
Drainage Area10 sq mi
Year Completed1909 (117 years old)
NID IDNY01223

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: December 16, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

JAMES KELLY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Halcottsville Dam?

Halcottsville Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Halcottsville Dam?

Halcottsville Dam is owned by JAMES KELLY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Halcottsville Dam built?

Halcottsville Dam was completed in 1909, making it 117 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Halcottsville Dam?

Halcottsville Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Halcottsville Dam?

Halcottsville Dam has a dam height of 7 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Halcottsville Dam last inspected?

Halcottsville Dam was last inspected on December 16, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.