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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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Pr-11 Retention Dam

Montana — Phillips County — BEAUCHAMP CK./MISSOURI RIVER(R

Location

StateMontana
CountyPhillips
RiverBEAUCHAMP CK./MISSOURI RIVER(R
Coordinates47.84750, -108.20255

Physical Characteristics

NID Height17 ft
Dam Height—
Dam Length294 ft
NID Storage530 acre-ft
Max Storage530 acre-ft
Surface Area99 acres

Safety Classification

Hazard PotentialLow
Condition AssessmentNot Rated
EAP StatusNot Required
Last InspectionAugust 15, 2016
Inspection Frequency5

Dam Information

Year Completed1942
Primary PurposeFlood Risk Reduction
Dam TypeGravity
Owner TypeFederal
OwnerDOI BLM

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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