Lewis Lake Dam

TR-SISTER GROVE CREEK· Collin, Texas· Built 1968· Earth· 14 ft tall

Key Takeaway

Lewis Lake Dam is classified as low hazard in Texas. It was completed in 1968 and is 58 years old. Its primary use is fire protection.

Physical Details

Dam Height 14 ft (taller than 12.5% in TX)
Dam Length395 ft
Dam TypeEarth
Max Storage74 acre-ft
Normal Storage36 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1968 (58 years old)
NID IDTX05305

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
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

BOB LEWIS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lewis Lake Dam?

Lewis Lake 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 Lewis Lake Dam?

Lewis Lake Dam is owned by BOB LEWIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lewis Lake Dam built?

Lewis Lake 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 Lewis Lake Dam?

Lewis Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lewis Lake Dam?

Lewis Lake 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.

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.