Toposhaw Watershed Structure Y-27-01 Dam

Chickasaw, Mississippi· Built 1971· Earth· 25 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Toposhaw Watershed Structure Y-27-01 Dam is classified as low hazard in Mississippi. It was completed in 1971 and is 55 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 25 ft (taller than 78.4% in MS)
Dam TypeEarth
Max Storage928 acre-ft
Drainage Area2 sq mi
Year Completed1971 (55 years old)
NID IDMS00322

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: December 15, 2021
State Regulated: Yes
Regulatory Agency: MS DEPARTMENT OF ENVIRONMENTAL QUALITY

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Toposhaw Watershed Structure Y-27-01 Dam?

Toposhaw Watershed Structure Y-27-01 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 Toposhaw Watershed Structure Y-27-01 Dam?

Toposhaw Watershed Structure Y-27-01 Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Toposhaw Watershed Structure Y-27-01 Dam built?

Toposhaw Watershed Structure Y-27-01 Dam was completed in 1971, making it 55 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 Toposhaw Watershed Structure Y-27-01 Dam?

Toposhaw Watershed Structure Y-27-01 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Toposhaw Watershed Structure Y-27-01 Dam?

Toposhaw Watershed Structure Y-27-01 Dam has a dam height of 25 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 Toposhaw Watershed Structure Y-27-01 Dam last inspected?

Toposhaw Watershed Structure Y-27-01 Dam was last inspected on December 15, 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.