Colwell Lake Dam No.1 is an earth dam located in Lamar County, Georgia. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 325 ft long, taller than 62% 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 Colwell Lake Dam No.1
The primary purpose of Colwell Lake Dam No.1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Colwell, Stanley L & Rebecca J (private). It impounds the Unknown near Barnesville.
The dam stands 28 feet tall and stretches 325 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 39 acre-feet, and collects water from a drainage area of 60 square miles.
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 04/29/2020.
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Location
| State | Georgia |
| County | Lamar |
| Nearest City | Barnesville |
| River/Stream | Unknown |
| Coordinates | 33.07389, -84.13806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 325 ft |
Storage & Hydraulics
| NID Storage | 39 acre-ft |
| Max Storage | 39 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 60 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Colwell, Stanley L & Rebecca J |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/29/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | GA04786 |
| Federal ID | GA04786 |
| More Info | State Dam Safety Program |