Hi-roc Lake Dam is an earth dam located in Rockdale County, Georgia, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 1,310 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 Hi-roc Lake Dam
The primary purpose of Hi-roc Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hi-roc Association, Inc. (private). It impounds the No Name near Milstead.
The dam stands 19 feet tall and stretches 1,310 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 148 acre-feet, and collects water from a drainage area of 276 square miles. Completed in 1965, 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 09/01/2018.
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Location
| State | Georgia |
| County | Rockdale |
| Nearest City | Milstead |
| River/Stream | No Name |
| Coordinates | 33.70750, -83.97222 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 1,310 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 148 acre-ft |
| Max Storage | 148 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 276 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hi-roc Association, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/01/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA01268 |
| Federal ID | GA01268 |
| More Info | State Dam Safety Program |