Ross Barnett Reservoir Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateMississippi
CountyRankin
Nearest CityJACKSON
River/StreamPEARL RIVER
Coordinates32.39726, -90.06488

Physical Characteristics

Dam TypeEarth
NID Height65 ft
Dam Height64 ft
Dam Length18,400 ft
Year Completed1962 (64 years old)

Storage & Hydraulics

NID Storage540,000 acre-ft
Max Storage540,000 acre-ft
Normal Storage360,000 acre-ft
Surface Area33,000 acres
Drainage Area3,050 sq mi
Max Discharge250,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeWater Supply
OwnerPEARL RIV. VAL. WTR. SUP. DIST
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection10/26/2022
Emergency Action PlanYes

Identifiers

NID IDMS02716
Federal IDMS02716
More InfoState Dam Safety Program

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