166. For the purposes of this Chapter,(1) the average volume of water withdrawn or consumed per day is calculated on the basis of a period of 90 consecutive days corresponding to the period during which water consumption is the highest;
(2) the number of persons served by a water withdrawal is calculated in accordance with Schedule 0.1 of the Regulation respecting the quality of drinking water (chapter Q-2, r. 40) on the basis of the system, establishment or place to which it is mainly or exclusively connected.