William Sensley Dam
William Sensley Dam is an earth dam located in Union Parish, Louisiana, built in 1990. It carries a Low hazard potential classification and has a fair condition assessment.
About William Sensley Dam
The primary purpose of William Sensley Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Butch Sensley (private). It impounds the Tr-horse Through near Spearsville.
The dam stands 14 feet tall and stretches 425 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 111 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1990, the structure is 36 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 01/15/2025.
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Location
| State | Louisiana |
| County | Union |
| Nearest City | Spearsville |
| River/Stream | Tr-horse Through |
| Coordinates | 32.88100, -92.49300 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 425 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 111 acre-ft |
| Max Storage | 111 acre-ft |
| Normal Storage | 107 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 340 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Butch Sensley |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 01/15/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00523 |
| Federal ID | LA00523 |
| More Info | State Dam Safety Program |