Third Creek Watershed Dam #19 is an earth dam located in Iredell County, North Carolina, built in 1956. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 38 ft38 ft tall and 268 ft long, taller than 84% of U.S. dams with a recorded height. 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 Third Creek Watershed Dam #19
The primary purpose of Third Creek Watershed Dam #19 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Hpt Investment Holding, LLC (private). It impounds the Third Creek.
The dam stands 38 feet tall and stretches 268 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 358 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1956, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 01/30/2025.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | North Carolina |
| County | Iredell |
| River/Stream | Third Creek |
| Coordinates | 35.75370, -80.86930 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Length | 268 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 358 acre-ft |
| Max Storage | 358 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 330 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Hpt Investment Holding, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 01/30/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NC00145 |
| Federal ID | NC00145 |
| More Info | State Dam Safety Program |