Rainbow Lake Dam
Rainbow Lake Dam is an earth dam located in Cumberland County, North Carolina, built in 1974. It carries a Low hazard potential classification.
About Rainbow Lake Dam
The primary purpose of Rainbow Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. It impounds the Gray Creek near Tar Heel.
The dam stands 10 feet tall, has a maximum storage capacity of 384 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1974, 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. The most recent inspection on record was 02/12/2008. That was over 18 years ago.
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Location
| State | North Carolina |
| County | Cumberland |
| Nearest City | Tar Heel |
| River/Stream | Gray Creek |
| Coordinates | 34.92490, -78.85800 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 384 acre-ft |
| Max Storage | 384 acre-ft |
| Normal Storage | 320 acre-ft |
| Drainage Area | 7 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Not Listed |
| Hazard Classification | Low |
| Last Inspection | 02/12/2008 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NC01140 |
| Federal ID | NC01140 |
| More Info | State Dam Safety Program |