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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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Upper Big Nemaha L-4

Nebraska — Lancaster County — TR-MID BR BIG NEMAHA RIVER

Location

StateNebraska
CountyLancaster
RiverTR-MID BR BIG NEMAHA RIVER
Coordinates40.54762, -96.58717

Physical Characteristics

NID Height26 ft
Dam Height25 ft
Dam Length700 ft
NID Storage371 acre-ft
Max Storage371 acre-ft
Surface Area15 acres

Safety Classification

Hazard PotentialSignificant
Condition AssessmentPoor
EAP StatusNot Required
Last InspectionApril 19, 2023
Inspection Frequency3

Dam Information

Year Completed1971
Primary PurposeFlood Risk Reduction
Dam TypeEarth
Owner TypeLocal Government
OwnerNemaha Natural Resources District

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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