Lake Helene Dam

High HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateMaryland
CountyMontgomery
Nearest CityGaithersburg
River/StreamMuddy Branch-TR
Coordinates39.11933, -77.24070

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Height27 ft
Dam Length420 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage177 acre-ft
Max Storage177 acre-ft
Normal Storage1 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge253 cfs
Spillway TypeNone

Ownership & Safety

PurposeRecreation
OwnerCity of Gaithersburg
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/18/2024
Emergency Action PlanNo

Identifiers

NID IDMD00325
Federal IDMD00325
More InfoState Dam Safety Program

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