Browns Reservoir Dam

W BRANCH SILVER MINE RIVER· Westchester, New York· Built 1924· Earth· 48 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Browns Reservoir Dam is classified as high hazard in New York. It was completed in 1924 and is 102 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 48 ft (taller than 91.6% in NY)
Dam Length1,375 ft
Dam TypeEarth
Max Storage1.1K acre-ft
Normal Storage891 acre-ft
Surface Area44 acres
Drainage Area8 sq mi
Max Discharge3,931 cfs
Year Completed1924 (102 years old)
NID IDNY00763

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: April 25, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

NORWALK FIRST TAXING DISTRICT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Browns Reservoir Dam?

Browns Reservoir Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Browns Reservoir Dam?

Browns Reservoir Dam is owned by NORWALK FIRST TAXING DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Browns Reservoir Dam built?

Browns Reservoir Dam was completed in 1924, making it 102 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 Browns Reservoir Dam?

Browns Reservoir 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 Browns Reservoir Dam?

Browns Reservoir Dam has a dam height of 48 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 Browns Reservoir Dam last inspected?

Browns Reservoir Dam was last inspected on April 25, 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.