Hemphill Lake Dam
Hemphill Lake Dam is an earth dam located in St. Tammany Parish, Louisiana, built in 1982. It carries a Low hazard potential classification and has a fair condition assessment.
About Hemphill Lake Dam
The primary purpose of Hemphill Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mark H Rutledge (private). It impounds the Red Oak Fork\e.fork Bogue Fal near Bush.
The dam stands 12 feet tall and stretches 730 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1982, the structure is 44 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 12/14/2021.
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Location
| State | Louisiana |
| County | St. Tammany |
| Nearest City | Bush |
| River/Stream | Red Oak Fork\e.fork Bogue Fal |
| Coordinates | 30.61578, -89.99097 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 730 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 125 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 153 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mark H Rutledge |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 12/14/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00559 |
| Federal ID | LA00559 |
| More Info | State Dam Safety Program |