Knoll Lake Dam

Little Bayou Na Bonchasse· De Soto, Louisiana· Built 2002· Earth· 23 ft tall
Low Hazard Recreation Fish And Wildlife Pond Private

Key Takeaway

Knoll Lake Dam is classified as low hazard in Louisiana. It was completed in 2002 and is 24 years old. Its primary use is recreation.

Physical Details

Dam Height 23 ft (taller than 72.4% in LA)
Dam Length640 ft
Dam TypeEarth
Max Storage207 acre-ft
Normal Storage189 acre-ft
Surface Area18 acres
Drainage Area0 sq mi
Max Discharge353 cfs
Year Completed2002 (24 years old)
NID IDLA00641

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: November 17, 2021
State Regulated: Yes
Regulatory Agency: LA DOTD

Ownership

Lakes of Bon Chasse, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Knoll Lake Dam?

Knoll 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 Knoll Lake Dam?

Knoll Lake Dam is owned by Lakes of Bon Chasse, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Knoll Lake Dam built?

Knoll Lake Dam was completed in 2002, making it 24 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 Knoll Lake Dam?

Knoll Lake Dam serves the following purposes: Recreation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Knoll Lake Dam?

Knoll Lake Dam has a dam height of 23 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 Knoll Lake Dam last inspected?

Knoll Lake Dam was last inspected on November 17, 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.