563.4. The owners or occupants of lands situated in the territory of a municipality or in neighbouring local municipal territories not more than 48 km distant, must give free access to their lands at any reasonable time to persons authorized by the municipality for the purpose of(1) searching for a new source of water supply intended to supply water to the inhabitants of the municipality or supply a waterworks or public well referred to in article 557 and carrying out the inventories, studies and analyses required to assess the location, quantity, quality and vulnerability of the groundwater;
(2) delimiting the supply area and protection areas of any existing or planned source of water supply intended to supply water to the inhabitants of the municipality or supply a waterworks or public well referred to in article 557 and assessing the vulnerability of the groundwater present in those areas.
Access to the lands is subject, however, to restoring the premises to their former state and compensating the owners or occupants, as the case may be, for any damage; the municipality is also bound, except in the case of emergency, to give the owners or occupants prior notice of at least 48 hours of the person’s intention to enter upon their lands for the above-mentioned purposes.