Indigo Lake Dam

LOG GULLY· Montgomery, Texas· Built 1995· Earth· 38 ft tall
High Hazard Recreation Private

Key Takeaway

Indigo Lake Dam is classified as high hazard in Texas. It was completed in 1995 and is 31 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 38 ft (taller than 82.5% in TX)
Dam Length2,100 ft
Dam TypeEarth
Max Storage4.8K acre-ft
Normal Storage1.2K acre-ft
Surface Area155 acres
Drainage Area5 sq mi
Max Discharge13,226 cfs
Year Completed1995 (31 years old)
NID IDTX06916

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: September 20, 2018
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

INDIGO LAKE ESTATES;LARRY MCCOY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Indigo Lake Dam?

Indigo 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 Indigo Lake Dam?

Indigo Lake Dam is owned by INDIGO LAKE ESTATES;LARRY MCCOY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Indigo Lake Dam built?

Indigo Lake Dam was completed in 1995, making it 31 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 Indigo Lake Dam?

Indigo 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 Indigo Lake Dam?

Indigo Lake Dam has a dam height of 38 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 Indigo Lake Dam last inspected?

Indigo Lake Dam was last inspected on September 20, 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.