Airport Lagoon Dam is a dam located in Horry County, South Carolina, built in 1970. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 11 ft11 ft tall. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Airport Lagoon Dam
Airport Lagoon Dam is a dam in Horry, South Carolina. The dam is owned by Horry County Department of Airports (private). It impounds the Tr-intracostal Waterway Offstream.
The dam stands 11 feet tall, creates a reservoir covering 8 acres, and has a maximum storage capacity of 165 acre-feet. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/06/2017.
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Location
| State | South Carolina |
| County | Horry |
| River/Stream | Tr-intracostal Waterway Offstream |
| Coordinates | 33.82360, -78.71330 |
Physical Characteristics
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 165 acre-ft |
| Max Storage | 165 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 8 acres |
Ownership & Safety
| Purpose | Other |
| Owner | Horry County Department of Airports |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 12/06/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SCD03636 |
| Federal ID | SCD03636 |
| More Info | State Dam Safety Program |