Mountain Valley Dam No 1

VILLAGE CREEK· Johnson, Texas· Built 1960· Earth· 18 ft tall
High Hazard Irrigation Recreation Private

Key Takeaway

Mountain Valley Dam No 1 is classified as high hazard in Texas. It was completed in 1960 and is 66 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 18 ft (taller than 25.8% in TX)
Dam Length1,850 ft
Dam TypeEarth
Max Storage150 acre-ft
Normal Storage71 acre-ft
Surface Area16 acres
Drainage Area2 sq mi
Max Discharge1,600 cfs
Year Completed1960 (66 years old)
NID IDTX04797

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: June 26, 2018
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

MOUNTAIN VALLEY COUNTRY CLUB INC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mountain Valley Dam No 1?

Mountain Valley Dam No 1 is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Mountain Valley Dam No 1?

Mountain Valley Dam No 1 is owned by MOUNTAIN VALLEY COUNTRY CLUB INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mountain Valley Dam No 1 built?

Mountain Valley Dam No 1 was completed in 1960, making it 66 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 Mountain Valley Dam No 1?

Mountain Valley Dam No 1 serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Mountain Valley Dam No 1?

Mountain Valley Dam No 1 has a dam height of 18 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 Mountain Valley Dam No 1 last inspected?

Mountain Valley Dam No 1 was last inspected on June 26, 2018. 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.