The following words and terms, as used in this article, shall be construed or defined as follows, unless the context clearly indicates otherwise:
Refers to any liquid, gaseous or solid substance resulting from any manufacturing or industrial processes.
Includes individuals or natural persons, artificial persons existing only in contemplation of law, and is construed to include associations, partnerships, limited partnerships, joint-stock companies and corporations.
Refers to the present storm sewer system of the City and any additions or extensions that may hereafter be made thereto by the City.