William Dyess Dam
William Dyess Dam is an earth dam located in Natchitoches Parish, Louisiana. It carries a Low hazard potential classification and has a fair condition assessment.
About William Dyess Dam
The primary purpose of William Dyess Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by William Dyess (private). It impounds the Tr-bayou Dupont near Shamrock.
The dam stands 10 feet tall and stretches 570 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 118 acre-feet, and collects water from a drainage area of 0 square miles.
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 01/17/2022.
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Location
| State | Louisiana |
| County | Natchitoches |
| Nearest City | Shamrock |
| River/Stream | Tr-bayou Dupont |
| Coordinates | 31.72757, -93.34310 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 570 ft |
Storage & Hydraulics
| NID Storage | 118 acre-ft |
| Max Storage | 118 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 780 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | William Dyess |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 01/17/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00461 |
| Federal ID | LA00461 |
| More Info | State Dam Safety Program |