Jonesville Lock And Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateLouisiana
CountyCatahoula
Nearest CitySIMMESPORT
River/StreamBLACK RIVER
Coordinates31.48269, -91.85955

Physical Characteristics

Dam TypeGravity
NID Height94 ft
Dam Length920 ft
Year Completed1972 (54 years old)

Storage & Hydraulics

NID Storage149,300 acre-ft
Max Storage149,300 acre-ft
Normal Storage123,700 acre-ft
Surface Area7,120 acres
Drainage Area24,200 sq mi
Max Discharge176,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Vicksburg District
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection02/16/2022
Emergency Action PlanYes

Identifiers

NID IDLA00175
Federal IDLA00175
More InfoState Dam Safety Program

Nearby Dams

Honey Brake Unit 8 2.7 mi Low Honey Brake Unit 1 5.2 mi Low Honey Brake Unit 9 7.2 mi Low Honey Brake Unit 11 7.3 mi Low Honey Brake Unit 10 7.3 mi Low Little River Closure Dam 9.7 mi Low Larto Lake Dam 11.2 mi Low Wallace Lake - Catahoula Dam 13.0 mi Low Catahoula Lake Control Structure 15.0 mi Low