Boating While Intoxicated:
https://www.iowadnr.gov/Things-to-Do/Boating/Boating-While-Intoxicated
 
https://www.youtube.com/watch?v=703YsMxuHeg&t=3s

Iowa DNR Boat Control
https://youtu.be/dryUXZtYZ0s

Boat Safety Operations:
https://www.youtube.com/watch?v=fz12p14jkVE

Boater Safety:
https://www.rentalboatsafety.com/dist/pdfs/resource_kit_2019.pdf

Lake Dream Rentals recommends this FREE Iowa DNR Boater Education Course:
https://www.iowadnr.gov/Things-to-Do/Boating/Boater-Education