Hatfield Branch Detention Dam

HATFIELD BRANCH· Dallas, Texas· Built 1986· Earth· 13 ft tall
High Hazard Local Government

Key Takeaway

Hatfield Branch Detention Dam is classified as high hazard in Texas. It was completed in 1986 and is 40 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 13 ft (taller than 10.2% in TX)
Dam Length677 ft
Dam TypeEarth
Max Storage155 acre-ft
Normal Storage31 acre-ft
Drainage Area1 sq mi
Max Discharge2,900 cfs
Year Completed1986 (40 years old)
NID IDTX07344

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: June 21, 2021
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

CITY OF DALLAS

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hatfield Branch Detention Dam?

Hatfield Branch Detention 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 Hatfield Branch Detention Dam?

Hatfield Branch Detention Dam is owned by CITY OF DALLAS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hatfield Branch Detention Dam built?

Hatfield Branch Detention Dam was completed in 1986, making it 40 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Hatfield Branch Detention Dam?

Hatfield Branch Detention Dam has a dam height of 13 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 Hatfield Branch Detention Dam last inspected?

Hatfield Branch Detention Dam was last inspected on June 21, 2021. 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.