Armstrong Dam

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.

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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Low HazardFair ConditionEmergency Action Plan: No

Location

StateLouisiana
CountyLincoln
Nearest CityRuston
River/StreamTr-cypress Creek
Coordinates32.56894, -92.69646

Physical Characteristics

Dam TypeEarth
NID Height22 ft
Dam Height19 ft
Dam Length400 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage102 acre-ft
Max Storage102 acre-ft
Normal Storage64 acre-ft
Surface Area15 acres
Drainage Area0 sq mi
Max Discharge798 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerCody Armstrong
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection03/17/2022
Emergency Action PlanNo

Identifiers

NID IDLA00370
Federal IDLA00370
More InfoState Dam Safety Program

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