Silver Lake Dam

SUNDBURG CREEK· Sullivan, New York· Built 1850· Stone· 14 ft tall
Significant Hazard Water Supply Local Government

Key Takeaway

Silver Lake Dam is classified as significant hazard in New York. It was completed in 1850 and is 176 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 14 ft (taller than 33.5% in NY)
Dam Length176 ft
Dam TypeStone
Max Storage280 acre-ft
Normal Storage280 acre-ft
Surface Area83 acres
Drainage Area43 sq mi
Year Completed1850 (176 years old)
NID IDNY00989

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 6, 2018
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

VILLAGE OF WOODRIDGE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Silver Lake Dam?

Silver Lake 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 Silver Lake Dam?

Silver Lake Dam is owned by VILLAGE OF WOODRIDGE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Silver Lake Dam built?

Silver Lake Dam was completed in 1850, making it 176 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 Silver Lake Dam?

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

How tall is Silver Lake Dam?

Silver Lake Dam has a dam height of 14 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 Silver Lake Dam last inspected?

Silver Lake Dam was last inspected on December 6, 2018. 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.