98. The city may, by by-law,
(1) define and classify waste water and the other substances discharged into a purification works;
(2) determine standards for the construction, maintenance or operation of purification works, including standards relating to the materials used, and standards relating to the methods to be used for the carrying out of purification work;
(3) regulate or prohibit the discharge of waste water or of any substance it determines into a purification works or watercourse; for such purpose, establish categories of contaminants or sources of contamination and determine, as regards contaminants, the quantity or maximum concentration authorized in waste water or in substances discharged into a purification works or a watercourse;
(4) determine the method for computing the quantity of waste water or substances discharged into a purification works; prescribe the use of meters and establish conditions for connection to the purification works of the city;
(5) require any person or class of persons that discharges waste water or other substances of a category it determines into a purification works to hold a permit issued by the city; exempt from such obligation any person or class of persons it determines; and
(6) determine the qualifications required of a person applying for a permit, the conditions of issue and renewal of the permit, the information and documents the person must provide and the cases of suspension or revocation of the permit.