RedactedNarrative: The boat was beached on Iowa Island.  The gernerator was started to run the air conditioner.  The  children went into the forward sleeping berth in the cabin.  Their mother joined them. subject stated he started the generator and went on the beach. He came back to the boat and found his wife on the floor. He carried her outside and went back and got the kids. First Aid was started. His father in another boat had an oxygen tank. They put all three victims on oxygen and started reviving them before EMS arrived. The generator had a leak. The carbon monixde detectors were disconnected.
NameOfBodyOfWater: Mississippi River
NearestCityTown: Grafton                       