Manning Dam is an earth dam located in Walton County, Florida, built in 1930. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 750 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 Manning Dam
The primary purpose of Manning Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Derlie Brown Revocable Trust (private). It impounds the Eight Mile Creek near Gaskin.
The dam stands 10 feet tall and stretches 750 feet across, creates a reservoir covering 32 acres, and has a maximum storage capacity of 116 acre-feet. Completed in 1930, the structure is well-established, with more than 75 years of service.
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 05/22/1994. That was over 32 years ago.
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Location
| State | Florida |
| County | Walton |
| Nearest City | Gaskin |
| River/Stream | Eight Mile Creek |
| Coordinates | 30.96057, -86.19693 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 750 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 116 acre-ft |
| Max Storage | 116 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 32 acres |
| Max Discharge | 1,059 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Derlie Brown Revocable Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/22/1994 |
| Emergency Action Plan | No |
Identifiers
| NID ID | FL00016 |
| Federal ID | FL00016 |
| More Info | State Dam Safety Program |