As part of the Ergene Basin Conservation Action Plan, the organization of 12 domestic wastewater treatment facilities built by the Ministry of Forestry and Water works in the Ergene Basin, with the aim of efficient operation of the various municipalities in the same basin by our Institute The short course program titled "Considerations for the design and operation of wastewater treatment plants" was held for technical personnel from 20 people. In the last part of the program, a technical excursion to the Pasaköy advanced biological Wastewater Treatment Plant was presented to participants with participation documents.