(2)__Log rafts, carrying not more than 2 persons and used on ponds or lakes or internal waters of less than 50 acres in area, are exempt from carrying personal flotation devices.

C. The following penalties apply to violations of this subsection.

(1)__A person who violates this subsection commits a civil violation for which a fine of not less than $100 nor more than $500 may be adjudged.

(2)__A person who violates this subsection after having been adjudicated as having committed 3 or more civil violations under this Part within the previous 5-year period commits a Class E crime.

5.__Operating watercraft to endanger.__A person may not operate any of the following so as to endanger any person or property:

A. Watercraft;

B. Water ski; or

C. Surfboard or similar device.

A person who violates this subsection commits a Class E crime.

6.__Reckless operation of watercraft.__A person may not operate any of the following in such a way as to recklessly create a substantial risk of serious bodily injury to another person:

A. Watercraft;

B. Water ski; or

C. Surfboard or similar device.

A person who violates this subsection commits a Class D crime.

7.__Operating watercraft at greater than reasonable and prudent speed.__A person:

A.__May not operate a watercraft except at a reasonable and prudent speed for existing conditions; and