Dewar Lake Dam is an earth dam located in Harnett County, North Carolina, built in 1951. It carries a Significant hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 480 ft long. 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 Dewar Lake Dam
The primary purpose of Dewar Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bobby T Dewar (private). It impounds the Avents Creek near Lillington.
The dam stands 12 feet tall and stretches 480 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 77 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1951, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 03/02/2001. That was over 25 years ago.
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Location
| State | North Carolina |
| County | Harnett |
| Nearest City | Lillington |
| River/Stream | Avents Creek |
| Coordinates | 35.51730, -78.93090 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Length | 480 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 40 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Bobby T Dewar |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 03/02/2001 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC01104 |
| Federal ID | NC01104 |
| More Info | State Dam Safety Program |