Grimes Lake Dam

TOMLIN BRANCH· Leon, Texas· Built 1971· Earth· 23 ft tall
Low Hazard Recreation Private

Key Takeaway

Grimes Lake Dam is classified as low hazard in Texas. It was completed in 1971 and is 55 years old. Its primary use is recreation.

Physical Details

Dam Height 23 ft (taller than 44.9% in TX)
Dam Length660 ft
Dam TypeEarth
Max Storage372 acre-ft
Normal Storage230 acre-ft
Surface Area19 acres
Drainage Area0 sq mi
Year Completed1971 (55 years old)
NID IDTX02430

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
State Regulated: No

Ownership

JOHN GYWN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grimes Lake Dam?

Grimes Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Grimes Lake Dam?

Grimes Lake Dam is owned by JOHN GYWN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Grimes Lake Dam built?

Grimes Lake Dam was completed in 1971, making it 55 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 Grimes Lake Dam?

Grimes 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 Grimes Lake Dam?

Grimes Lake Dam has a dam height of 23 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.

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.