Denman Park Dam

TR-SAN ANTONIO· Bexar, Texas· Built 1930· Earth· 20 ft tall
High Hazard Local Government

Key Takeaway

Denman Park Dam is classified as high hazard in Texas. It was completed in 1930 and is 96 years old. 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 20 ft (taller than 33.5% in TX)
Dam Length490 ft
Dam TypeEarth
Max Storage19 acre-ft
Normal Storage12 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge90 cfs
Year Completed1930 (96 years old)
NID IDTX09589

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

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Denman Park Dam?

Denman Park 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 Denman Park Dam?

Denman Park Dam is owned by CITY OF SAN ANTONIO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Denman Park Dam built?

Denman Park Dam was completed in 1930, making it 96 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Denman Park Dam?

Denman Park Dam has a dam height of 20 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 Denman Park Dam last inspected?

Denman Park 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.