Moon Lake Dam

FLOYDS CREEK· Grimes, Texas· Built 1975· Earth· 12 ft tall
Low Hazard Private

Key Takeaway

Moon Lake Dam is classified as low hazard in Texas. It was completed in 1975 and is 51 years old.

Physical Details

Dam Height 12 ft (taller than 7.4% in TX)
Dam Length680 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage24 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1975 (51 years old)
NID IDTX05489

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

LH MOON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Moon Lake Dam?

Moon 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 Moon Lake Dam?

Moon Lake Dam is owned by LH MOON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Moon Lake Dam built?

Moon Lake Dam was completed in 1975, making it 51 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Moon Lake Dam?

Moon Lake Dam has a dam height of 12 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.