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No person shall allow, cause or permit any explosive, inflammable or hazardous substance, as defined in 310 CMR 30, MGL Chapter 21 and the Massachusetts Oil and Hazardous Materials Release Prevention and Response Act, to enter directly or indirectly any common sewer. No person shall allow, cause or permit any material which may tend to cause an obstruction to enter any common sewer or public drain.

The Director of Public Works, the Director of Public Health, the Civil Defense Director, and their agents and employees may order any person found in violation of this ordinance to remove or cause to be removed any substance or material from a sewer or drain within such time and in such manner as said agent or employee deems reasonable; provided that removal of hazardous substances shall be done in accordance with the provisions of Chapter 21E, Massachusetts Oil and Hazardous Material Release Prevention and Response Act. Any agent issuing a removal order under the provisions of this ordinance may, upon the failure of any person to comply with said order, cause said substance to be removed by the city at the expense of the violator.

Violations of this ordinance may also be punished in the manner proscribed in Massachusetts General Laws Chapter 41, Section 21D by a fine of $300.00 for each offense. Each twenty-four hour period during which a violation exists shall constitute a separate offense, punishable by the imposition of an additional fine.