Mississippi River Lock And Dam 17

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIowa
CountyMercer
Nearest CityNEW BOSTON
River/StreamMISSISSIPPI RIVER
Coordinates41.19165, -91.05845

Physical Characteristics

Dam TypeConcrete
NID Height47 ft
Dam Length3,510 ft
Year Completed1939 (87 years old)

Storage & Hydraulics

NID Storage50,000 acre-ft
Max Storage50,000 acre-ft
Surface Area8,312 acres
Drainage Area99,600 sq mi
Max Discharge370,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Rock Island District
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection06/22/2022
Emergency Action PlanYes

Identifiers

NID IDIA00009
Federal IDIA00009
More InfoState Dam Safety Program

Nearby Dams

Louisa County Roadgrade Dam 24-74-3 4.2 mi Low Parson Pond Dam 4.3 mi Low Morrison Lake Dam 6.6 mi Significant Klum Lake Dam 6.8 mi Low Four-h Recreation Dam 7.1 mi Low Skidmore Dam 7.4 mi Low Stone Dam 8.3 mi Low Louisa County Raodgrade Dam 36-73-3 8.6 mi Low Idot Wetland Dam 8.7 mi Low Hertitage Hills Dam 8.9 mi Low