The following shall be declared to be public nuisances affecting the waters of any lake or other body of water within the limits of the city:
1. Interfering with, obstructing, or tending to obstruct a body of water within the limits of the city. Rendering dangerous for passage or for use a body of water within the limits of the city;
2. Depositing of sewage in public waters within the limits of the city;
3. Depositing of refuse, waste, other deleterious, poisonous, or injurious substances within the waters of this city; provided, however, that weed control measures shall not be prohibited when carried out pursuant to a permit issued by an authorize governmental agency. One copy of the permit shall be on file at the office of the City Administrator prior to beginning work authorized within the permit;
4. The failure to equip and to operate a boat, vessel or watercraft in accordance with the provisions of M.S. Chapter 86B, as it may be amended from time to time, which statutes are hereby adopted and incorporated herein; provided however, that these additional requirements shall be met by all owners and operators of watercraft within the waters described herein, namely:
a. All watercraft in use or under way between sunset and sunrise shall be equipped with and have in operation red and green running lights in the forward section of the boat, and a white light at the stern or on the superstructure, which white light shall be visible on a dark night with clear atmosphere for a distance of two miles from any direction. Provided, however, that motor powered watercraft under 16 feet in overall length may use portable lights, which shall be clamped on the watercraft when in use; and non-powered watercraft may use a portable single white light which shall be visible from any direction for a distance of two miles on a dark night with clear atmosphere;
b. All watercraft, when at anchor or drifting, shall show a white light visible from any direction for a distance of one mile, and the light shall be lit from sunset to sunrise, except that a watercraft anchored in a cove within 100 feet of shore and 200 feet away from normal navigation, and any watercraft anchored at a dock or pier, need not have the white light;
c. All watercraft when in use shall have on board and readily accessible life preservers, vests, or other similar buoyant devices capable of keeping every person on board afloat;
d. No watercraft other than an authorized Water Patrol Boat or other police watercraft shall use or display a police, sheriff, or law enforcement officers’ flag, or any device designed to simulate such a flag;
e. No person shall board, use, damage, or tamper with a watercraft, except when done by the owner or with the owner’s consent;
f. No person under 15 years of age shall operate a watercraft powered by a motor of ten horse power or more, unless accompanied by a competent person 15 years of age or older; and
g. No watercraft shall cause a wake to be created after sunset on any day of the week.
5. Water skiing or surfboarding within 100 feet of an occupied craft, public or private dock, and careless or reckless act on water skis or a surfboard except during the takeoff or the landing of a skier. No water skiing shall be allowed before sunrise or after sunset on any day of the week. For the purposes of this subdivision, both the person or persons operating the watercraft and the person or persons being towed shall be deemed equally guilty if convicted of a violation hereof;
6. The overtaking or passing of any craft in a channel or narrow passage by the operator of any motor boat, speed boat, or of any vessel under power, so as to endanger other craft; and all craft shall proceed through all channels and narrow passage of water at no wake speeds;
7. Obstructing or interfering with the passage of a boat or vessel through a channel or narrow water passageway;
8. Operating a boat or vessel in a careless or reckless manner, in or about a public swimming beach or within 100 feet of a private or public dock, except for the purpose of launching, docking, or removing the boat or vessel from the water; and
9. Swimming in a channel, or jumping or diving from a channel bridge.