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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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Donald R. Wheeler (Surprise Lake) Dam

New Jersey — Morris County — East Branch Rockaway River

Location

StateNew Jersey
CountyMorris
RiverEast Branch Rockaway River
Coordinates40.95315, -74.35688

Physical Characteristics

NID Height22 ft
Dam Height22 ft
Dam Length750 ft
NID Storage190 acre-ft
Max Storage190 acre-ft
Surface Area25 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentSatisfactory
EAP StatusYes
Last InspectionDecember 19, 2024
Inspection Frequency2

Dam Information

Year Completed1909
Primary PurposeRecreation
Dam TypeEarth
Owner TypePrivate
OwnerPequannock Properties, LLC

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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