Red River Lock And Dam 3

Red River Lock And Dam 3 is a gravity dam located in Natchitoches Parish, Louisiana, built in 1991. It carries a Significant hazard potential classification.

About Red River Lock And Dam 3

The primary purpose of Red River Lock And Dam 3 is navigation. The dam maintains water levels sufficient for boat and barge traffic, supporting commercial or recreational navigation on the waterway. The dam is owned by Usace - Vicksburg District (federal). It impounds the Red River near Colfax.

The dam stands 134 feet tall and stretches 866 feet across, creates a reservoir covering 9,500 acres, has a maximum storage capacity of 108,500 acre-feet, and collects water from a drainage area of 66,060 square miles. Completed in 1991, the structure is 35 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 07/27/2021.

At 134 feet, this dam is taller than 99% of all dams in the United States.

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Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateLouisiana
CountyNatchitoches
Nearest CityColfax
River/StreamRed River
Coordinates31.52281, -92.72611

Physical Characteristics

Dam TypeGravity
NID Height134 ft
Dam Length866 ft
Year Completed1991 (35 years old)

Storage & Hydraulics

NID Storage108,500 acre-ft
Max Storage108,500 acre-ft
Normal Storage108,500 acre-ft
Surface Area9,500 acres
Drainage Area66,060 sq mi
Max Discharge248,600 cfs
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Vicksburg District
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection07/27/2021
Emergency Action PlanYes

Identifiers

NID IDLA00582
Federal IDLA00582
More InfoState Dam Safety Program

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