Ensuring water supply and sewage management are among the primary tasks of every commune, and they are also the condition for multi-functional de-velopment of rural areas. Positive changes in the area of providing communes with the basic water mains-sewerage infrastructure mean an improvement in the living conditions for the population and for the functioning of companies. For many years intensive work has been going on in Poland, aimed at ensuring a suitable status of the environment, especially in rural areas where still a lot needs to be done in this respect. At the end of the 20th and the beginning of the 21st centuries numerous water supply and sewerage systems have been built in those areas, as well as many household and collective sewage treatment plants. One of the provinces where the largest number of household sewage treatment systems have been built is the Lublin Province. The technological most frequently applied here include systems based on the use of a septic tank and filtration drainage, systems with a biological bed or active sludge, as well as hybrid systems (biological bed + active sludge). Less popular, on the other hand, are constructed wetland systems, probably because their construction requires plots with ...
