Old Comanche Irrigation Dam

LEONA RIVER· Zavala, Texas· Built 1890· Gravity· 11 ft tall
Low Hazard Water Supply Private

Key Takeaway

Old Comanche Irrigation Dam is classified as low hazard in Texas. It was completed in 1890 and is 136 years old. Its primary use is water supply.

Physical Details

Dam Height 11 ft (taller than 6.1% in TX)
Dam Length75 ft
Dam TypeGravity
Max Storage209 acre-ft
Normal Storage209 acre-ft
Surface Area17 acres
Drainage Area0 sq mi
Year Completed1890 (136 years old)
NID IDTX04597

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

CHARLES IRWIN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Old Comanche Irrigation Dam?

Old Comanche Irrigation 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 Old Comanche Irrigation Dam?

Old Comanche Irrigation Dam is owned by CHARLES IRWIN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Old Comanche Irrigation Dam built?

Old Comanche Irrigation Dam was completed in 1890, making it 136 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 Old Comanche Irrigation Dam?

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

How tall is Old Comanche Irrigation Dam?

Old Comanche Irrigation 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.