Lake Mawsy Dam

LITTLE ALDER CREEK· Henderson, Texas· Built 1949· Earth· 29 ft tall
Low Hazard Recreation Private

Key Takeaway

Lake Mawsy Dam is classified as low hazard in Texas. It was completed in 1949 and is 77 years old. Its primary use is recreation.

Physical Details

Dam Height 29 ft (taller than 64.3% in TX)
Dam Length546 ft
Dam TypeEarth
Max Storage473 acre-ft
Normal Storage277 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1949 (77 years old)
NID IDTX04396

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: July 21, 2009
State Regulated: No

Ownership

FINCASTLE FARMS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Mawsy Dam?

Lake Mawsy 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 Lake Mawsy Dam?

Lake Mawsy Dam is owned by FINCASTLE FARMS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Mawsy Dam built?

Lake Mawsy Dam was completed in 1949, making it 77 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 Lake Mawsy Dam?

Lake Mawsy 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 Lake Mawsy Dam?

Lake Mawsy Dam has a dam height of 29 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 Lake Mawsy Dam last inspected?

Lake Mawsy Dam was last inspected on July 21, 2009. 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.