Tosch Lake Dam

TR-SOUTH MESQUITE CREEK· Dallas, Texas· Built 1930· Arch· 18 ft tall
High Hazard Recreation Private

Key Takeaway

Tosch Lake Dam is classified as high hazard in Texas. It was completed in 1930 and is 96 years old. Its primary use is recreation. 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 Length400 ft
Dam TypeArch
Max Storage60 acre-ft
Normal Storage40 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge753 cfs
Year Completed1930 (96 years old)
NID IDTX05037

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: No
Last Inspection: November 2, 2018
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

TOSCH LAKE HOMEOWNERS ASSOCIATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tosch Lake Dam?

Tosch Lake 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 Tosch Lake Dam?

Tosch Lake Dam is owned by TOSCH LAKE HOMEOWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tosch Lake Dam built?

Tosch Lake 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.

What is the primary purpose of Tosch Lake Dam?

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

How tall is Tosch Lake Dam?

Tosch Lake 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 Tosch Lake Dam last inspected?

Tosch Lake Dam was last inspected on November 2, 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.