(1) 30 m from a category 1 or 2 water withdrawal site, unless a professional determines them after certifying, in a hydrogeological study, that(a) the presence of a superficial geological formation with low permeability provides natural protection for the groundwater;
(b) the configuration of the land or a nearby infrastructure ensures the protection of the quality of the groundwater with respect to incidents or activities that may occur in the zone concerned; or
(c) human activities within a radius of 30 m from the withdrawal present no significant risk that may affect groundwater quality;