Dams in Grundy County, Iowa

1Total Dams
0High Hazard
0Significant

Dam Safety in Grundy County, Iowa

Grundy County has 1 dams tracked in the National Inventory of Dams.

The average dam in Grundy County is 29 years old. The most common purpose is recreation. The tallest dam is Holland Marsh Dam at 11 ft.

Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
DamHazardConditionHeight (ft)PurposeYear
Holland Marsh DamLowNot Rated11Recreation1997