Lake Delaware Dam

TR-LITTLE DELAWARE RIVER· Delaware, New York· Built 1840· Earth· 9 ft tall
Low Hazard Recreation Private

Key Takeaway

Lake Delaware Dam is classified as low hazard in New York. It was completed in 1840 and is 186 years old. Its primary use is recreation.

Physical Details

Dam Height 9 ft (taller than 9% in NY)
Dam Length67 ft
Dam TypeEarth
Max Storage265 acre-ft
Normal Storage265 acre-ft
Surface Area64 acres
Year Completed1840 (186 years old)
NID IDNY01262

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: May 21, 2015
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

GERRY FAMILY, LTD

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Delaware Dam?

Lake Delaware Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Delaware Dam?

Lake Delaware Dam is owned by GERRY FAMILY, LTD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Delaware Dam built?

Lake Delaware Dam was completed in 1840, making it 186 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 Lake Delaware Dam?

Lake Delaware 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 Lake Delaware Dam?

Lake Delaware Dam has a dam height of 9 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 Lake Delaware Dam last inspected?

Lake Delaware Dam was last inspected on May 21, 2015. 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.