No person shall cause, authorize or permit any oil, brine water, liquid dye, toxic chemical or other substance deleterious to tree life to be poured, flow, lie, leak or drip upon or into the soil about the base or within the root zone of any tree, shrub or plant within any public street within the city.
('70 Code, § 20-32) (Ord. 1981-46, passed 8-3-81) Penalty, see § 98.99