Larto Lake Dam
Larto Lake Dam is an earth dam located in Catahoula Parish, Louisiana, built in 1959. It carries a Low hazard potential classification and has a fair condition assessment.
About Larto Lake Dam
The primary purpose of Larto Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by State Of Louisiana (state). It impounds the Larto Bayou near Delhoste.
The dam stands 38 feet tall and stretches 2,930 feet across, creates a reservoir covering 8,200 acres, has a maximum storage capacity of 126,000 acre-feet, and collects water from a drainage area of 142 square miles. Completed in 1959, 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 07/24/2020.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Louisiana |
| County | Catahoula |
| Nearest City | Delhoste |
| River/Stream | Larto Bayou |
| Coordinates | 31.33390, -91.93580 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 2,930 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 126,000 acre-ft |
| Max Storage | 126,000 acre-ft |
| Normal Storage | 15,000 acre-ft |
| Surface Area | 8,200 acres |
| Drainage Area | 142 sq mi |
| Max Discharge | 4,407 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | State of Louisiana |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/24/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00023 |
| Federal ID | LA00023 |
| More Info | State Dam Safety Program |