Lake Simonds Dam

TR-HICKORY CREEK· Dallas, Texas· Built 1962· Earth· 18 ft tall
High Hazard Water Supply Recreation Local Government

Key Takeaway

Lake Simonds Dam is classified as high hazard in Texas. It was completed in 1962 and is 64 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 18 ft (taller than 25.8% in TX)
Dam Length1,000 ft
Dam TypeEarth
Max Storage268 acre-ft
Normal Storage200 acre-ft
Surface Area25 acres
Drainage Area0 sq mi
Max Discharge561 cfs
Year Completed1962 (64 years old)
NID IDTX00825

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 10, 2021
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

CITY OF DALLAS

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Simonds Dam?

Lake Simonds 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 Lake Simonds Dam?

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

When was Lake Simonds Dam built?

Lake Simonds Dam was completed in 1962, making it 64 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 Lake Simonds Dam?

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

How tall is Lake Simonds Dam?

Lake Simonds Dam has a dam height of 18 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 Lake Simonds Dam last inspected?

Lake Simonds Dam was last inspected on June 10, 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.