Cassin Lake Dam

MINITA CREEK· Bexar, Texas· Built 1907· Earth· 24 ft tall
Low Hazard Irrigation State Government

Key Takeaway

Cassin Lake Dam is classified as low hazard in Texas. It was completed in 1907 and is 119 years old. Its primary use is irrigation.

Physical Details

Dam Height 24 ft (taller than 47.7% in TX)
Dam Length1,180 ft
Dam TypeEarth
Max Storage580 acre-ft
Normal Storage400 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge1 cfs
Year Completed1907 (119 years old)
NID IDTX01454

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: October 14, 2022
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

TEXAS A&M UNIVERSITY-SAN ANTONIO

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cassin Lake Dam?

Cassin 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 Cassin Lake Dam?

Cassin Lake Dam is owned by TEXAS A&M UNIVERSITY-SAN ANTONIO (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cassin Lake Dam built?

Cassin Lake Dam was completed in 1907, making it 119 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 Cassin Lake Dam?

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

How tall is Cassin Lake Dam?

Cassin Lake Dam has a dam height of 24 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 Cassin Lake Dam last inspected?

Cassin Lake Dam was last inspected on October 14, 2022. 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.