Dams in Mercer County, Iowa

1Total Dams
0High Hazard
1Significant

Dam Safety in Mercer County, Iowa

Mercer County has 1 dams tracked in the National Inventory of Dams. Another 1 carry a significant hazard classification.

The average dam in Mercer County is 87 years old. The most common purpose is navigation. The tallest dam is Mississippi River Lock And Dam 17 at 47 ft.

DamHazardConditionHeight (ft)PurposeYear
Mississippi River Lock And Dam 17SignificantNot Available47Navigation1939