E.T.I.B S.A.S. within the operation of the zone component established by Transmilenio performs a daily washing of the operational fleet, to guarantee an excellent service of transport to the users of the system of the SITP in the city of Bogota; according to this the activity is generated spills during the washing process, which are arranged as a hazardous waste with a primary accumulator. According to the national legislation in its Decree 1076 of 2015 on control of the spills generated by any industrial operation, they must be controlled and treated in order to prevent the contamination of the water sources where final disposal will be given to the fluid generated product of the operation of the company, for that reason requires a vertimientos plan that ensures compliance with the regulations set forth by Colombian legislation and containing clear measures of environmental awareness that minimize the impacts generated by the operation of the organization. For E.T.I.B. S.A.S is of great importance the self-sustainability in each of its processes, to guarantee the usefulness of the business; Accordingly, in the San José business unit, there is a physical structure for the installation of an industrial wastewater treatment plant (PTARI), which, through the implementation of a treatment for the reuse of the wastewater a decrease in the costs of the washing operation can be obtained