Gum Swamp is an earth dam located in St. Tammany Parish, Louisiana, built in 1963. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 7 ft7 ft tall and 1,400 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 Gum Swamp
The primary purpose of Gum Swamp is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by East Win LLC (private). It impounds the Tr-english Branch near Abita Springs.
The dam stands 7 feet tall and stretches 1,400 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1963, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 12/12/2022.
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Location
| State | Louisiana |
| County | St. Tammany |
| Nearest City | Abita Springs |
| River/Stream | Tr-english Branch |
| Coordinates | 30.50033, -89.94560 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 120 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | East Win LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 12/12/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00276 |
| Federal ID | LA00276 |
| More Info | State Dam Safety Program |