24. A groundwater withdrawal facility consisting of a well drilled into rock must be constructed in accordance with the following conditions:(1) the casing used must be anchored in bedrock for at least 0.6 m or until penetration ceases;
(2) a drive shoe or other device to prevent deformation of the lower end of the casing must be used;
(3) where the drilled rock formation is located within a depth of 5 m, the facility must be sealed in accordance with section 19, without having to be supervised by a professional if, in the latter case, the facility is constructed in accordance with subparagraph 1, 2 and 3 of the first paragraph of section 17.