Mirror Lake
Mirror Lake is an earth dam located in Tangipahoa Parish, Louisiana, built in 1938. It carries a Low hazard potential classification and has a fair condition assessment.
About Mirror Lake
The primary purpose of Mirror Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Marietta And Warren Trust (private). It impounds the Bailey Branch near Loranger.
The dam stands 9 feet tall and stretches 486 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 105 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1938, 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. 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 08/25/2021.
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Location
| State | Louisiana |
| County | Tangipahoa |
| Nearest City | Loranger |
| River/Stream | Bailey Branch |
| Coordinates | 30.61389, -90.32870 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 486 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 105 acre-ft |
| Max Storage | 105 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 803 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Marietta and Warren Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/25/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00159 |
| Federal ID | LA00159 |
| More Info | State Dam Safety Program |