RedactedNarrative: SO and WCO responded to a boat accident near Bad River boat ramp on the Bad River near Fort Pierre, South Dakota. O1 was operating V1 and struck a fishing pier owned by the City of Fort Pierre and caused significant damage. After striking the dock O1 operated V1 and struck a moored vessel. The moored vessel was unoccupied. The moored vessel did not have reportable damage after being struck. V1 took all the damage from the impact. O1 was arrest by WCO for Boating Under the Influence