A vessel operator is required to make a verbal and written report whenever a boating accident results in:
- Loss of life or disappearance of a person or...
- Injury to any person or...
- Property damage in excess of $2,000.
Verbal reports must be made immediately to a DNR conservation warden or a local law enforcement officer.
A written report must be made within 10 days on DNR Form 4100-20 to
DNR Boating Section
P.O. Box 7921
Madison, WI 53707
The Operator Boating Incident Report form (Form 4100-20) is available from the Wisconsin DNR website.