Hewitt Lake Dam is an earth dam located in Montgomery County, North Carolina, built in 1969. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 255 ft long, taller than 50% 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 Hewitt Lake Dam
The primary purpose of Hewitt Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by David G Grigg (private). It impounds the Denson Creek near Capelsie.
The dam stands 25 feet tall and stretches 255 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1969, 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 11/07/2012. That was over 13 years ago.
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Location
| State | North Carolina |
| County | Montgomery |
| Nearest City | Capelsie |
| River/Stream | Denson Creek |
| Coordinates | 35.40870, -79.88920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Length | 255 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 185 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | David G Grigg |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/07/2012 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC00476 |
| Federal ID | NC00476 |
| More Info | State Dam Safety Program |