Calvin Powell Dam

UN TR-GRAND SALINE CR· Van Zandt, Texas· Earth· 14 ft tall
High Hazard Recreation Private

Key Takeaway

Calvin Powell Dam is classified as high hazard in Texas. Its primary use is recreation. 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 14 ft (taller than 12.5% in TX)
Dam Length300 ft
Dam TypeEarth
Max Storage13 acre-ft
Normal Storage8 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge2 cfs
NID IDTX07162

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: September 27, 2019
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

LANA MAXFIELD;LESIA COCKRELL;MARK COCKRELL

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Calvin Powell Dam?

Calvin Powell 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 Calvin Powell Dam?

Calvin Powell Dam is owned by LANA MAXFIELD;LESIA COCKRELL;MARK COCKRELL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Calvin Powell Dam?

Calvin Powell Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Calvin Powell Dam?

Calvin Powell Dam has a dam height of 14 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 Calvin Powell Dam last inspected?

Calvin Powell Dam was last inspected on September 27, 2019. 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.