Loch Mcgregor Dam

St. Tammany, Louisiana· Built 1983· Earth· 11 ft tall
Low Hazard Private

Key Takeaway

Loch Mcgregor Dam is classified as low hazard in Louisiana. It was completed in 1983 and is 43 years old.

Physical Details

Dam Height 11 ft (taller than 16.4% in LA)
Dam Length580 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage37 acre-ft
Surface Area9 acres
Drainage Area1 sq mi
Max Discharge1,203 cfs
Year Completed1983 (43 years old)
NID IDLA00719

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
Last Inspection: September 20, 2021
State Regulated: Yes
Regulatory Agency: LADOTD

Ownership

The Highlands Homeowners Association of St. Tammany, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Loch Mcgregor Dam?

Loch Mcgregor 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 Loch Mcgregor Dam?

Loch Mcgregor Dam is owned by The Highlands Homeowners Association of St. Tammany, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Loch Mcgregor Dam built?

Loch Mcgregor Dam was completed in 1983, making it 43 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Loch Mcgregor Dam?

Loch Mcgregor Dam has a dam height of 11 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 Loch Mcgregor Dam last inspected?

Loch Mcgregor Dam was last inspected on September 20, 2021. 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.