Clark Middle South Dam

TRIB. OF LITTLE ELM CREEK· Collin, Texas· 25 ft tall
High Hazard Private

Key Takeaway

Clark Middle South Dam is classified as high hazard in Texas. 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 25 ft (taller than 50.9% in TX)
Dam Length1,550 ft
Max Storage388 acre-ft
Normal Storage192 acre-ft
Max Discharge2 cfs
NID IDTX07453

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: No
Last Inspection: December 5, 2019
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

RL TRUST

Private

Nearby Dams

Little Elm and Laterals WS SCS Site 12 Dam

Collin, TX

Low Hazard 31 ft

Little Elm and Laterals WS SCS Site 11 Dam

Collin, TX

Low Hazard 21 ft

Clark Northwest Dam

Collin, TX

High Hazard 21 ft

Clark Southwest Dam

Collin, TX

High Hazard 21 ft

Little Elm and Laterals WS SCS Site 10 Dam

Grayson, TX

Low Hazard 24 ft

Jim Porter Dam

Collin, TX

Low Hazard 29 ft

Little Elm & Laterals WS SCS Site 16 Dam

Collin, TX

Low Hazard 27 ft

Little Elm and Laterals WS SCS Site 7 Dam

Grayson, TX

Low Hazard 25 ft

Frequently Asked Questions

What is the hazard classification of Clark Middle South Dam?

Clark Middle South 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 Clark Middle South Dam?

Clark Middle South Dam is owned by RL TRUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Clark Middle South Dam?

Clark Middle South Dam has a dam height of 25 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 Clark Middle South Dam last inspected?

Clark Middle South Dam was last inspected on December 5, 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.