Brooklyn Street Lock and Dam

SAN ANTONIO· Bexar, Texas· Built 2009· Concrete· 14 ft tall
High Hazard Navigation Local Government

Key Takeaway

Brooklyn Street Lock and Dam is classified as high hazard in Texas. It was completed in 2009 and is 17 years old. Its primary use is navigation. 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 14 ft (taller than 12.5% in TX)
Dam Length33 ft
Dam TypeConcrete
Max Storage28 acre-ft
Normal Storage28 acre-ft
Surface Area28 acres
Drainage Area0 sq mi
Max Discharge5,200 cfs
Year Completed2009 (17 years old)
NID IDTX09537

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: March 8, 2018
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

CITY OF SAN ANTONIO;SAN ANTONIO RIVER AUTHORITY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Brooklyn Street Lock and Dam?

Brooklyn Street Lock and 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 Brooklyn Street Lock and Dam?

Brooklyn Street Lock and Dam is owned by CITY OF SAN ANTONIO;SAN ANTONIO RIVER AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Brooklyn Street Lock and Dam built?

Brooklyn Street Lock and Dam was completed in 2009, making it 17 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 Brooklyn Street Lock and Dam?

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

How tall is Brooklyn Street Lock and Dam?

Brooklyn Street Lock and 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 Brooklyn Street Lock and Dam last inspected?

Brooklyn Street Lock and Dam was last inspected on March 8, 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.