It shall be unlawful for any person, firm or corporation to build, excavate, construct or maintain any earthen excavation commonly known as a slush pit for the deposit of oil, liquid with oil content, gasoline or other oil product, surface or rotary mud, sand or salt water, or any other waste in connection with oil wells. (Ord. 972, 9-11-2017; amd. Ord. 975, 10-10-2017)