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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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Little Seneca Dam

Maryland — Montgomery County — Little Seneca Creek

Location

StateMaryland
CountyMontgomery
RiverLittle Seneca Creek
Coordinates39.18500, -77.30000

Physical Characteristics

NID Height99 ft
Dam Height99 ft
Dam Length628 ft
NID Storage24,185 acre-ft
Max Storage24,185 acre-ft
Surface Area505 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentFair
EAP StatusNo
Last InspectionMay 30, 2024
Inspection Frequency—

Dam Information

Year Completed1984
Primary PurposeWater Supply
Dam TypeEarth
Owner TypePublic Utility
OwnerWashington Suburban Sanitary Commission
Other NameLittle Seneca Lake

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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