Armstrong Dam is an earth dam located in Lincoln Parish, Louisiana, built in 1977. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 22 ft22 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 Armstrong Dam
The primary purpose of Armstrong 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 Cody Armstrong (private). It impounds the Tr-cypress Creek near Ruston.
The dam stands 22 feet tall and stretches 400 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 102 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1977, the structure is 49 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 03/17/2022.
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Location
| State | Louisiana |
| County | Lincoln |
| Nearest City | Ruston |
| River/Stream | Tr-cypress Creek |
| Coordinates | 32.56894, -92.69646 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 19 ft |
| Dam Length | 400 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 102 acre-ft |
| Max Storage | 102 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 798 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Cody Armstrong |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 03/17/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00370 |
| Federal ID | LA00370 |
| More Info | State Dam Safety Program |