Lake Mineral Wells Dam

ROCK CREEK· Parker, Texas· Built 1920· Earth· 54 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Lake Mineral Wells Dam is classified as high hazard in Texas. It was completed in 1920 and is 106 years old. Its primary use is water supply. 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 54 ft (taller than 95.3% in TX)
Dam Length1,610 ft
Dam TypeEarth
Max Storage16.4K acre-ft
Normal Storage7.1K acre-ft
Surface Area668 acres
Drainage Area63 sq mi
Max Discharge122,427 cfs
Year Completed1920 (106 years old)
NID IDTX01225

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: December 13, 2022
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

CITY OF MINERAL WELLS

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Mineral Wells Dam?

Lake Mineral Wells Dam 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 Lake Mineral Wells Dam?

Lake Mineral Wells Dam is owned by CITY OF MINERAL WELLS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Mineral Wells Dam built?

Lake Mineral Wells Dam was completed in 1920, making it 106 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 Lake Mineral Wells Dam?

Lake Mineral Wells 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 Lake Mineral Wells Dam?

Lake Mineral Wells Dam has a dam height of 54 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 Lake Mineral Wells Dam last inspected?

Lake Mineral Wells Dam was last inspected on December 13, 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.