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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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Marble Rock Milldam

Iowa, Floyd County, SHELL ROCK RIVER

Location

StateIowa
CountyFloyd
RiverSHELL ROCK RIVER
Coordinates42.96530, -92.87090

Physical Characteristics

NID Height15 ft
Dam Height15 ft
Dam Length187 ft
NID Storage836 acre-ft
Max Storage836 acre-ft
Surface Area110 acres

Safety Classification

Hazard PotentialLow
Condition AssessmentNot Rated
EAP StatusNot Required
Last InspectionDecember 12, 1989
Inspection Frequency-

Dam Information

Year Completed1913
Primary PurposeRecreation
Dam TypeGravity
Owner TypeLocal Government
OwnerCity of Marble Rock

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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