Airport Lagoon Dam

TR-INTRACOSTAL WATERWAY OFFSTREAM· Horry, South Carolina· Built 1970· 11 ft tall
Low Hazard Other Private

Key Takeaway

Airport Lagoon Dam is classified as low hazard in South Carolina. It was completed in 1970 and is 56 years old. Its primary use is other.

Physical Details

Dam Height 11 ft (taller than 8.3% in SC)
Max Storage165 acre-ft
Normal Storage120 acre-ft
Surface Area8 acres
Year Completed1970 (56 years old)
NID IDSC02000

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 6, 2017
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

HORRY COUNTY DEPARTMENT OF AIRPORTS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Airport Lagoon Dam?

Airport Lagoon 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 Airport Lagoon Dam?

Airport Lagoon Dam is owned by HORRY COUNTY DEPARTMENT OF AIRPORTS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Airport Lagoon Dam built?

Airport Lagoon Dam was completed in 1970, making it 56 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 Airport Lagoon Dam?

Airport Lagoon Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Airport Lagoon Dam?

Airport Lagoon 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 Airport Lagoon Dam last inspected?

Airport Lagoon Dam was last inspected on December 6, 2017. 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.