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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

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Lake Helene Dam

Maryland — Montgomery County — Muddy Branch-TR

Location

StateMaryland
CountyMontgomery
RiverMuddy Branch-TR
Coordinates39.11933, -77.24070

Physical Characteristics

NID Height27 ft
Dam Height27 ft
Dam Length420 ft
NID Storage177 acre-ft
Max Storage177 acre-ft
Surface Area1 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentSatisfactory
EAP StatusNo
Last InspectionApril 18, 2024
Inspection Frequency—

Dam Information

Year Completed1950
Primary PurposeRecreation
Dam TypeEarth
Owner TypeLocal Government
OwnerCity of Gaithersburg
Other NameKentlands - Lake Helene

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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