This checkoff list could be used by a scribe to keep track of which Scouts have earned which merit badges or could be used by an individual Scout.

Canoeing or kayaking through whitewater rapids can be a thrilling experience. Safe whitewater fun requires each participant to understand the the equipment and techniques and to have a firm respect for the power of nature’s waterways.
Printable requirements for Whitewater Merit Badge
This checkoff list could be used by a scribe to keep track of which Scouts have earned which merit badges or could be used by an individual Scout.
A reader asks about how old a Scout should be to work on a merit badge. The Guide to Advancement provides some answers.
Boating/Canoeing Troop Program Feature for Boy Scouts: The focus of this program feature is on fitness, boating skills, and swimming skills.
Safe Swim Defense provides the steps which a BSA unit must take to safely participate in an activity which involves swimming.
The BSA swim test is used to determine ability level so that participants can swim in an area which is appropriate for them.
The most familiar application of skill level limits is the swim tests which are administered at summer camp. But there are other examples as well.
Before embarking on a boating activity with your scouts, make sure everyone is aware of the Safety Afloat guidelines.