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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

Infrastructure

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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Lewiston Dam

California — Trinity County — TRINITY RIVER

Location

StateCalifornia
CountyTrinity
RiverTRINITY RIVER
Coordinates40.72640, -122.79300

Physical Characteristics

NID Height91 ft
Dam Height73 ft
Dam Length745 ft
NID Storage14,660 acre-ft
Max Storage14,660 acre-ft
Surface Area750 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentNot Available
EAP StatusYes
Last InspectionApril 19, 2023
Inspection Frequency4

Dam Information

Year Completed1963
Primary PurposeWater Supply
Dam TypeEarth
Owner TypeFederal
OwnerBUREAU OF RECLAMATION
Other NameLewiston 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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