Lower Ellison Lake Dam

TR-RIO GRANDE· Starr, Texas· Built 1959· Earth· 17 ft tall
Low Hazard Private

Key Takeaway

Lower Ellison Lake Dam is classified as low hazard in Texas. It was completed in 1959 and is 67 years old.

Physical Details

Dam Height 17 ft (taller than 23.1% in TX)
Dam Length975 ft
Dam TypeEarth
Max Storage136 acre-ft
Normal Storage62 acre-ft
Surface Area12 acres
Drainage Area0 sq mi
Year Completed1959 (67 years old)
NID IDTX01701

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

ESTATE OF TG ELLISON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lower Ellison Lake Dam?

Lower Ellison 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 Lower Ellison Lake Dam?

Lower Ellison Lake Dam is owned by ESTATE OF TG ELLISON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lower Ellison Lake Dam built?

Lower Ellison Lake Dam was completed in 1959, making it 67 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Lower Ellison Lake Dam?

Lower Ellison Lake Dam has a dam height of 17 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.