Texas Health and Safety Code - HEALTH & SAFETY § 365.032. Throwing Certain Substances in or Near Lake Lavon; Criminal Penalty

(a) The definitions provided by Section 365.011 apply to this section.

(b) A person commits an offense if the person throws, leaves, or causes to be thrown or left wastepaper, glass, metal, a tin can, refuse, garbage, waste, discarded or soiled personal property, or any other noxious or poisonous substance in the water of or near Lake Lavon in Collin County if the substance is detrimental to fish or to a person fishing in Lake Lavon.

(c) An offense under this section is a Class C misdemeanor unless it is shown on the trial of the defendant that the defendant has previously been convicted of an offense under this section, in which event the offense is a Class A misdemeanor.