Lake Cohoon Dam

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateVirginia
CountySuffolk
Nearest CitySuffolk
River/StreamCohoon Creek - VAHU6 JL 45 Cohoon Creek
Coordinates36.75490, -76.62770

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length625 ft

Storage & Hydraulics

NID Storage9,300 acre-ft
Max Storage9,300 acre-ft
Normal Storage6,230 acre-ft
Surface Area602 acres
Drainage Area33 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCity of Portsmouth, Department of Public Utilities
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection05/10/2022
Emergency Action PlanYes

Identifiers

NID IDVA800001
Federal IDVA800001
More InfoState Dam Safety Program

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