The present Ordinance applies to the collection, treatment and discharge of municipal waste water, as well as to the treatment and discharge of waste water of certain industries. The text consists of 13 articles as follows: Sphere of application (1); Definition of terms (2); Surface waters (3); Canalisation (4); Discharge of municipal waste water in public waters (5); Discharge of industrial waste waters in public waters (6); Discharge of industrial waste water in canalisation (7); Exceptions (8