The subject of the investment is the extension of the existing sanitary sewage treatment plant (Q=402 m³/d) to Q=804 m³/d capacity in Partynia on plot no. 512/6 partition – technological and construction changes. The scope includes: main pumping plant, cleaning technology in a blocked sequential reactor with filling, aeration, washing water tank, sludge steel sheath, measuring chamber, coagulant dispensing, power supply, automation of cleaning processes, photovoltaics with a joint container for treatment plants, sewage measurement, place and roads with the conversion of fences, pipes and installations, technology, electrical installations inter-object. The energy produced in its entirety will be used for the own use of the treatment plant. Construction of sanitary sewage system with pumping stations, pressing pipelines, power supply with a total length of 254.7 mb i.e. network- 228.10 mb, distribution network 26.60 mb. The material scope includes photovoltaic installations. The main objective of the project is to organise waste water management in Radomyśl Wielki by building a new sewerage system and expanding the existing sewage treatment plant. The general objective of the project is to strengthen economic and social cohesion in the area of investment, improve the environmental status, clean water and soil, and adapt the sewage management of Radomyśl Wielki commune to the requirements of Poland and the European Union.According to RPOWP for the years 2014-2020, the goal of Sub-measure 4.3.1 in the area of waste water management in agglomerations will be increased proportion of the population using sewage treatment system, which will be achieved through completion of sewage management systems in agglomerations as well as expansion and repair systems. Ineligible expenditure shall be VAT.