Calvert Mine Spc 18 Dam

TR-WALNUT CREEK· Robertson, Texas· Built 1992· Earth· 28 ft tall
Low Hazard Tailings Private

Key Takeaway

Calvert Mine Spc 18 Dam is classified as low hazard in Texas. It was completed in 1992 and is 34 years old. Its primary use is tailings.

Physical Details

Dam Height 28 ft (taller than 61.3% in TX)
Dam Length1,000 ft
Dam TypeEarth
Max Storage238 acre-ft
Normal Storage103 acre-ft
Surface Area17 acres
Drainage Area1 sq mi
Max Discharge1,140 cfs
Year Completed1992 (34 years old)
NID IDTX06561

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: July 24, 2008
State Regulated: No

Ownership

PATRICIA BROADDUS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Calvert Mine Spc 18 Dam?

Calvert Mine Spc 18 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 Calvert Mine Spc 18 Dam?

Calvert Mine Spc 18 Dam is owned by PATRICIA BROADDUS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Calvert Mine Spc 18 Dam built?

Calvert Mine Spc 18 Dam was completed in 1992, making it 34 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 Calvert Mine Spc 18 Dam?

Calvert Mine Spc 18 Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Calvert Mine Spc 18 Dam?

Calvert Mine Spc 18 Dam has a dam height of 28 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 Calvert Mine Spc 18 Dam last inspected?

Calvert Mine Spc 18 Dam was last inspected on July 24, 2008. 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.