Contra Costa County Municipal Code Ch. 410-6 Restrictions

No person shall swim in any area designated as a "no swimming" area, or outside the boundaries of a marked swimming area, or in a location or in a manner likely to create a condition hazardous to themself or to any other person or object.

(Ord. No. 2024-23, § III(Exh. A), 12-3-24; Ord. 69-50 § 1 (part), 1969).

No person shall operate any vessel, or ride, pull or tow any aquaplane or water skis, within any designated swimming area or within twenty feet of the exterior boundaries thereof.

(Ord. 69-50 § 1 (part), 1969).

No person shall operate any vessel within five hundred feet of any dam owned or operated by a public agency, or within any area designated as a "no boating" area by the appropriate regulatory agency, where signs have been erected giving notice of the prohibition.

(Ord. 69-50 § 1 (part), 1969).

No person shall operate a motorboat on a lake containing less than three hundred surface acres where signs have been erected at intervals of not over one-quarter mile around the lake giving notice of the prohibition.

(Ord. 69-50 § 1 (part), 1969).

No person shall shoot any firearm, or gun operated by spring or compressed gas, from any vessel or across or over any portion of any navigable body of water; but this does not prohibit the otherwise lawful shooting of a shotgun to kill waterfowl.

(Ord. 69-50 § 1 (part), 1969).

No person shall operate a vessel, vehicle or other motive power which is pulling or towing any aquaplane or water skier, nor shall any person ride any aquaplane or water skis, between sunset and the following sunrise.

(Ord. 69-50 § 1 (part), 1969).

No person shall operate, or permit the operation of, any vessel while anyone is anywhere thereon not designed or intended for use by passengers, nor shall anyone ride in such a manner.

(Ord. 69-50 § 1 (part), 1969).

A person shall not do any of the following:

(a) Place, deposit or dump any garbage on or adjacent to the bulkheads, docks, piers, gangways, or wharves of any waterway where the material is likely to be washed or otherwise deposited into a waterway by tides, floods, storms, waves or accidental displacement.

(b) Cause any mooring line, water hose, electrical cable or other service line to extend across a dock, pier, or gangway so as to create a hazardous condition that could cause accident or injury; or cause any obstacles such as ladders, tools, canvas, vessels, boat gear, or other materials or equipment to obstruct free passage along any dock, pier or gangway; or create any other hazardous condition on a dock, pier or gangway that could cause accident or injury.

(c) Leave or store on any dock, pier, gangway, or wharf of a waterway any empty tanks or containers previously used for flammable or combustible liquids, unless free from explosive vapors, except that empty safety containers may be kept in storage.

(d) Violate any of the following sanitation and pollution statutes: Fish and Game Code Section 5650; Fish and Game Code Section 5652; Harbors and Navigation Code Section 131; Harbors and Navigation Code Section 133; Harbors and Navigation Code Section 780; Health and Safety Code Section 5411.5; Health and Safety Code Section 117480; Health and Safety Code Section 117515; or any other sanitation or pollution statute.

(Ord. 2005-02 § 10).

(a) Whenever a vessel is sunk in a waterway, the owner must mark the vessel immediately with a buoy or daymark during the day and with a light at night, in accordance with Title 33 Code of Federal Regulations, Part 64. The markings must be maintained until the sunken vessel or obstruction is removed. Removal of the vessel must commence immediately and be completed in a timely manner. The owner must immediately notify the sheriff of the sunken vessel and provide all other notifications required by law.

(b) A vessel that is not properly marked, or a vessel where removal does not commence immediately and is not completed in a timely manner, is subject to removal, storage, and disposal in accordance with Section 410-2.014.

(Ord. 2005-02 § 11).

(a) No person shall operate any vessel that is pulling or towing water skis, an aquaplane, or a similar device, nor shall any person ride water skis, an aquaplane, or a similar device, in any of the special use areas designated in subsection (b) of this section. This prohibition is in effect on the following days:

(1) Every Saturday and Sunday from the Saturday before Memorial Day through the Sunday before Labor Day.

(2) Every Memorial Day, July 4th, and Labor Day.

(b) The following waterways are designated as special use areas:

(1) That portion of Indian Slough between the Discovery Bay Marina Channel on the east and the intersection of Werner Dredger Cut and Kellogg Creek on the west.

(2) That portion of Werner Dredger Cut between the Orwood Road bridge on the north and the intersection of Indian Slough and Kellogg Creek on the south.

(c) The sheriff is authorized to place regulatory markers giving notice of the restrictions specified in subsection (a) at the boundaries of the special use areas designated in subsection (b).

(Ord. 2007-22 § 2).