(a) Water service supplied to municipal buildings, schools, sewer treatment plants, etc., shall be metered and the regular metered service rates (Schedule Mg-I) applied.
(b) Water used on an intermittent basis for flushing sewers, street sprinkling, flooding skating rinks, drinking fountains, etc., shall be metered where meters can be set to measure the service. Where it is impossible to measure the service, the Superintendent shall estimate the volume of water used based on the pressure, size of opening and period of time water is allowed to be drawn. The estimated quantity used shall be billed at the rate as determined by the Village Board.
(c) Billing shall be the same as Schedule Mg-1.