Las Colinas Reservoir No 7 Dam

TR-ELM FORK TRINITY RIVER· Dallas, Texas· Built 1963· Earth· 16 ft tall
Significant Hazard Irrigation Recreation Private

Key Takeaway

Las Colinas Reservoir No 7 Dam is classified as significant hazard in Texas. It was completed in 1963 and is 63 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 16 ft (taller than 19.7% in TX)
Dam Length985 ft
Dam TypeEarth
Max Storage144 acre-ft
Normal Storage99 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge582 cfs
Year Completed1963 (63 years old)
NID IDTX04378

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: May 3, 2017
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

LAS COLINAS COUNTRY CLUB

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Las Colinas Reservoir No 7 Dam?

Las Colinas Reservoir No 7 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 Las Colinas Reservoir No 7 Dam?

Las Colinas Reservoir No 7 Dam is owned by LAS COLINAS COUNTRY CLUB (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Las Colinas Reservoir No 7 Dam built?

Las Colinas Reservoir No 7 Dam was completed in 1963, making it 63 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 Las Colinas Reservoir No 7 Dam?

Las Colinas Reservoir No 7 Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Las Colinas Reservoir No 7 Dam?

Las Colinas Reservoir No 7 Dam has a dam height of 16 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 Las Colinas Reservoir No 7 Dam last inspected?

Las Colinas Reservoir No 7 Dam was last inspected on May 3, 2017. 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.