Mawis Lake Dam

LONG BRANCH-PINEY CREEK· Austin, Texas· Built 1960· Earth· 11 ft tall

Key Takeaway

Mawis Lake Dam is classified as low hazard in Texas. It was completed in 1960 and is 66 years old. Its primary use is fire protection.

Physical Details

Dam Height 11 ft (taller than 6.1% in TX)
Dam Length405 ft
Dam TypeEarth
Max Storage52 acre-ft
Normal Storage26 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Year Completed1960 (66 years old)
NID IDTX05479

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

CA MAWIS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mawis Lake Dam?

Mawis 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 Mawis Lake Dam?

Mawis Lake Dam is owned by CA MAWIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mawis Lake Dam built?

Mawis Lake Dam was completed in 1960, making it 66 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 Mawis Lake Dam?

Mawis Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Mawis Lake Dam?

Mawis Lake Dam has a dam height of 11 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.