Underwood Dam is an earth dam located in Walton County, Florida, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 260 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 Underwood Dam
The primary purpose of Underwood Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by R B Underwood (private). It impounds the Tr-west Sandy Creek near Ponce De Leon.
The dam stands 17 feet tall and stretches 260 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1962, 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 01/26/1999. That was over 27 years ago.
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Location
| State | Florida |
| County | Walton |
| Nearest City | Ponce De Leon |
| River/Stream | Tr-west Sandy Creek |
| Coordinates | 30.78005, -86.14082 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 260 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Normal Storage | 115 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 96 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | R B Underwood |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/26/1999 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | FL00023 |
| Federal ID | FL00023 |
| More Info | State Dam Safety Program |