Seis Lagos No 5 Dam

TRIBUTARY OF WHITE ROCK CREEK· Collin, Texas· Built 1968· Earth· 25 ft tall

Significant Hazard Irrigation Private

Key Takeaway

Seis Lagos No 5 Dam is classified as significant hazard in Texas. It was completed in 1968 and is 58 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height	25 ft (taller than 50.9% in TX)
Dam Length	600 ft
Dam Type	Earth
Max Storage	88 acre-ft
Normal Storage	43 acre-ft

Surface Area	9 acres
Drainage Area	0 sq mi
Max Discharge	1 cfs
Year Completed	1968 (58 years old)
NID ID	TX04845

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes

Last Inspection: April 4, 2023

State Regulated: Yes

Regulatory Agency: TCEQ

Ownership

SEIS LAGOS COMMUNITY SERVICES ASSOCIATES INC

Private

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Rowlett Creek WS SCS Site 4 Dam

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Rowlett Creek WS SCS Site 7 Dam

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Domain Subdivision Pond B

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Domain Subdivision Pond A

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Frequently Asked Questions

What is the hazard classification of Seis Lagos No 5 Dam?

Seis Lagos No 5 Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Seis Lagos No 5 Dam?

Seis Lagos No 5 Dam is owned by SEIS LAGOS COMMUNITY SERVICES ASSOCIATES INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Seis Lagos No 5 Dam built?

Seis Lagos No 5 Dam was completed in 1968, making it 58 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 Seis Lagos No 5 Dam?

Seis Lagos No 5 Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Seis Lagos No 5 Dam?

Seis Lagos No 5 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 Seis Lagos No 5 Dam last inspected?

Seis Lagos No 5 Dam was last inspected on April 4, 2023. 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.