It shall be unlawful for any person to pollute any of the waters of Elm Fork impounded by reason of the dams maintained by the city, viz., Carrollton, California, Elm Fork and Grape Vine Dams. It shall be unlawful for any person to use in any manner such water or create a condition that may likely pollute the waters or so as to cause the waters to become unwholesome for domestic use by the inhabitants of the city or so as to affect the health or life of the inhabitants of the city. (Code 1941, Art. 157-1)