921.01 Waters prohibited in sanitary sewers.
921.02 Discharge of storm water; approval required to discharge unpolluted industrial waters.
921.03 Prohibited wastes.
921.04 Industrial wastes.
921.05 Construction and installation of grease, oil and sand interceptors.
921.06 Maintenance of interceptors.
921.07 When preliminary treatment required.
921.08 Maintenance of treatment facilities.
921.09 Control manholes.
921.10 Measurements, tests and analyses.
921.11 Industrial agreements.
CROSS REFERENCES
Interference with sewage flow - see Ohio R. C. 4933.24
Use of public sewers required; exception - see S. U. & P. S. Ch. 915
Sanitary sewage charges - see S. U. & P. S. Ch. 923
Storm water and all other unpolluted drainage shall be discharged to such sewers as are specifically designated as combined sewers or storm sewers, or to a natural outlet approved by the Superintendent. Industrial cooling waters or unpolluted process waters may be discharged upon approval of the Superintendent to a storm sewer, or a natural outlet.
No person shall discharge or cause to be discharged any of the following waste materials to any public sewer:
(a) Any gasoline, benzene, naphtha, fuel oil or other flammable or explosive liquid, solid or gas.
(b) Any garbage that has not been properly shredded.
(c) Any ashes, cinders; sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch. manure or any other solid viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper operation of the Municipal Wastes Works.
(d) Any noxious or malodorous gas or substance capable of creating a public nuisance.
The admission of any industrial wastes containing critical characteristics such as: excessive temperatures, oils, fats or grease; pH lower than 5.5 or higher than 9.5, or having other corrosive properties; toxic or poisonous ingredients; excessive suspended solids; cyanide, free acid or caustic alkaline solution, or any other constituent critical to the collection and treatment of municipal wastes, shall be subject to the review and approval of the Superintendent. When in the opinion of the Superintendent preliminary treatment or control of wastes is necessary, suitable facilities shall be constructed according to plans approved by the Superintendent.
Grease, oil and sand interceptors shall be provided when, in the opinion of the Superintendent, they are necessary for the proper handling of liquid wastes containing grease in excessive amounts, such interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be of a type and capacity approved by the Superintendent, and shall be located as to be readily and easily accessible for cleaning and inspection. Grease and oil interceptors shall be constructed of impervious materials capable of withstanding abrupt and extreme changes in temperature. They shall be of substantial construction, watertight and equipped with easily removable covers which, when bolted in place, shall be gastight and watertight.
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