Notification of Ministry of Natural Resources and Environment on Designation of the developed land as a point source which shall be regulated of the wastewater to be discharged into the public waterways or environment B.E. 2564 (2021).

This Notification is issued by the Ministry of Natural Resources and Environment by virtue of the Enhancement and Conservation of National Environmental Quality Act, B.E. 2535 (1992), aiming to determine the allocated land as a source of pollution that must be controlled for the discharge of wastewater into public water bodies or into the environment.
Each type of developed land shall provide a necessary wastewater treatment system to meet the standard before discharging to the environment.