Hopson Dam No 1

TR-WALNUT CREEK· Erath, Texas· Built 1965· Earth· 20 ft tall
Low Hazard Water Supply Private

Key Takeaway

Hopson Dam No 1 is classified as low hazard in Texas. It was completed in 1965 and is 61 years old. Its primary use is water supply.

Physical Details

Dam Height 20 ft (taller than 33.5% in TX)
Dam Length550 ft
Dam TypeEarth
Max Storage96 acre-ft
Normal Storage64 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Year Completed1965 (61 years old)
NID IDTX00870

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: September 2, 1980
State Regulated: No

Ownership

CAROLUS VOLLEMAN;ENGELINE VOLLEMAN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hopson Dam No 1?

Hopson Dam No 1 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 Hopson Dam No 1?

Hopson Dam No 1 is owned by CAROLUS VOLLEMAN;ENGELINE VOLLEMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hopson Dam No 1 built?

Hopson Dam No 1 was completed in 1965, making it 61 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 Hopson Dam No 1?

Hopson Dam No 1 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 Hopson Dam No 1?

Hopson Dam No 1 has a dam height of 20 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 Hopson Dam No 1 last inspected?

Hopson Dam No 1 was last inspected on September 2, 1980. 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.