28. A geothermal system that withdraws water must be constructed in accordance with the following conditions:
(1) the system must be exclusively supplied by groundwater;
(2) the system must return the water to the aquifer without allowing it to come into contact with any substance liable to affect its quality;
(3) the water withdrawal facility and the discharge facility of such a system must comply with the standards applicable to a groundwater withdrawal facility set out in sections 12 to 26, adapted as required.