Big Hill Pond Lake

DISMAL BRANCH· McNairy, Tennessee· Built 1977· Earth·
Significant Hazard State Government

Key Takeaway

Big Hill Pond Lake is classified as significant hazard in Tennessee. It was completed in 1977 and is 49 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length620 ft
Dam TypeEarth
Max Storage3.3K acre-ft
Normal Storage2.4K acre-ft
Surface Area162 acres
Drainage Area2 sq mi
Year Completed1977 (49 years old)
NID IDTN10906

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
Last Inspection: May 23, 2019
State Regulated: Yes
Regulatory Agency: TENNESSEE SAFE DAMS PROGRAM

Ownership

TDEC

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Big Hill Pond Lake?

Big Hill Pond Lake 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 Big Hill Pond Lake?

Big Hill Pond Lake is owned by TDEC (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Big Hill Pond Lake built?

Big Hill Pond Lake was completed in 1977, making it 49 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

When was Big Hill Pond Lake last inspected?

Big Hill Pond Lake was last inspected on May 23, 2019. 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.