Henry Roy Dam is an earth dam located in Lincoln Parish, Louisiana, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Henry Roy Dam
The primary purpose of Henry Roy Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Robert Roy (private). It impounds the Tr-moncrief Creek near Clay.
The dam stands 21 feet tall and stretches 400 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 97 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1963, 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 04/22/2021.
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Location
| State | Louisiana |
| County | Lincoln |
| Nearest City | Clay |
| River/Stream | Tr-moncrief Creek |
| Coordinates | 32.47580, -92.63530 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 18 ft |
| Dam Length | 400 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 97 acre-ft |
| Max Storage | 97 acre-ft |
| Normal Storage | 67 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 360 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Robert Roy |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/22/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00364 |
| Federal ID | LA00364 |
| More Info | State Dam Safety Program |