Gray Lake Dam
Gray Lake Dam is an earth dam located in Irwin County, Georgia, built in 1959. It carries a Low hazard potential classification.
About Gray Lake Dam
The primary purpose of Gray 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 Benfield Family Revlvg. Trust C/o Jean Gray Benfield Trustee (private). It impounds the Unknown near Ocilla Environs.
The dam stands 12 feet tall and stretches 645 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 117 acre-feet, and collects water from a drainage area of 180 square miles. Completed in 1959, 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 03/01/2009. That was over 17 years ago.
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Location
| State | Georgia |
| County | Irwin |
| Nearest City | Ocilla Environs |
| River/Stream | Unknown |
| Coordinates | 31.56667, -83.29306 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 645 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 117 acre-ft |
| Max Storage | 117 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 180 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Benfield Family Revlvg. Trust C/O Jean Gray Benfield Trustee |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 03/01/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA00942 |
| Federal ID | GA00942 |
| More Info | State Dam Safety Program |