L and M

TR BIG BLACK CREEK· St. Clair, Alabama· Built 1954· Earth·
Significant Hazard Recreation Private

Key Takeaway

L and M is classified as significant hazard in Alabama. It was completed in 1954 and is 72 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length700 ft
Dam TypeEarth
Max Storage200 acre-ft
Normal Storage140 acre-ft
Max Discharge1,200 cfs
Year Completed1954 (72 years old)
NID IDAL01052

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: No
State Regulated: No

Ownership

MOUNTAINVIEW LAKE INC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of L and M?

L and M 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 L and M?

L and M is owned by MOUNTAINVIEW LAKE INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was L and M built?

L and M was completed in 1954, making it 72 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 L and M?

L and M serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

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.