Grand Lake Dam

BIG BRANCH· Stephens, Texas· Built 1921· Earth· 30 ft tall
Low Hazard Other Private

Key Takeaway

Grand Lake Dam is classified as low hazard in Texas. It was completed in 1921 and is 105 years old. Its primary use is other.

Physical Details

Dam Height 30 ft (taller than 67.1% in TX)
Dam Length850 ft
Dam TypeEarth
Max Storage1.2K acre-ft
Normal Storage375 acre-ft
Surface Area65 acres
Drainage Area0 sq mi
Max Discharge15,050 cfs
Year Completed1921 (105 years old)
NID IDTX03638

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
Last Inspection: June 7, 1983
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

SWANSON MULESHOE RANCH LTD

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grand Lake Dam?

Grand 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 Grand Lake Dam?

Grand Lake Dam is owned by SWANSON MULESHOE RANCH LTD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Grand Lake Dam built?

Grand Lake Dam was completed in 1921, making it 105 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 Grand Lake Dam?

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

How tall is Grand Lake Dam?

Grand Lake Dam has a dam height of 30 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 Grand Lake Dam last inspected?

Grand Lake Dam was last inspected on June 7, 1983. 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.