Lake Bonanza Dam

TR-MOUND CREEK· Montgomery, Texas· Built 1963· Earth· 26 ft tall
Significant Hazard Recreation Private

Key Takeaway

Lake Bonanza Dam is classified as significant hazard in Texas. It was completed in 1963 and is 63 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 26 ft (taller than 55.2% in TX)
Dam Length1,040 ft
Dam TypeEarth
Max Storage198 acre-ft
Normal Storage116 acre-ft
Surface Area18 acres
Drainage Area1 sq mi
Max Discharge3 cfs
Year Completed1963 (63 years old)
NID IDTX00100

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: February 9, 2022
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

LAKE BONANZA PROPERTY OWNERS ASSOCIATION INC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Bonanza Dam?

Lake Bonanza Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Bonanza Dam?

Lake Bonanza Dam is owned by LAKE BONANZA PROPERTY OWNERS ASSOCIATION INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Bonanza Dam built?

Lake Bonanza Dam was completed in 1963, making it 63 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 Bonanza Dam?

Lake Bonanza 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 Lake Bonanza Dam?

Lake Bonanza Dam has a dam height of 26 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 Bonanza Dam last inspected?

Lake Bonanza Dam was last inspected on February 9, 2022. 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.