Lake Ramsey is an earth dam located in St. Tammany Parish, Louisiana, built in 1966. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 19,000 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 Lake Ramsey
The primary purpose of Lake Ramsey is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Ramsey Homeowners Association and One Consort International, LLC (private). It impounds the Horse Branch Offstream near Ramsay.
The dam stands 10 feet tall and stretches 19,000 feet across, creates a reservoir covering 355 acres, has a maximum storage capacity of 1,510 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 03/15/2023.
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Location
| State | Louisiana |
| County | St. Tammany |
| Nearest City | Ramsay |
| River/Stream | Horse Branch Offstream |
| Coordinates | 30.52692, -90.16923 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 8 ft |
| Dam Length | 19,000 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 1,510 acre-ft |
| Max Storage | 1,510 acre-ft |
| Normal Storage | 755 acre-ft |
| Surface Area | 355 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 373 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Ramsey Homeowners Association and One Consort International, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 03/15/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00166 |
| Federal ID | LA00166 |
| More Info | State Dam Safety Program |