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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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Hallowell Swm Dam

Maryland — Montgomery County — James Creek

Location

StateMaryland
CountyMontgomery
RiverJames Creek
Coordinates39.15600, -77.04660

Physical Characteristics

NID Height29 ft
Dam Height29 ft
Dam Length600 ft
NID Storage357 acre-ft
Max Storage357 acre-ft
Surface Area15 acres

Safety Classification

Hazard PotentialLow
Condition AssessmentSatisfactory
EAP StatusNo
Last InspectionApril 20, 2022
Inspection Frequency—

Dam Information

Year Completed1990
Primary PurposeFlood Risk Reduction
Dam TypeEarth
Owner TypeLocal Government
OwnerMontgomery County DEP
Other NameLake Hallowell

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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