Regulations for the Discharge and Reuse of Wastewater and Sludge Disposal, Governmental Agreement No. 236-2006.

It establishes the criteria and requirements that can be met for the discharge and reuse of wastewater, as well as for the disposal of sludge. The aforementioned in order to establish a process that allows:

1. Protect receiving water bodies from the impacts of human activity.
2. Recover receiving water bodies in the process of eutrophication.
3. Promote the development of water resources with a vision of integrated management.