5. Flush toilet

24. Flush toilet (Question V) [p.39]
1. Only toilets flushed with running water that is connected to the water supply system shall be indicated.
2. If, within the dwelling, there is a flush toilet installed then, basing on the hints and tips in points 4 and 5, the census enumerator shall specify whether wastewater is removed my means of public or local water treatment system, and in accordance with the specified answer encircle symbol 1 or 2.
3. If there is no flush toilet inside the dwelling, but such a device is located inside the building (for example, in the hall or basement) and is used as such by the inhabitants of the building, it must be also specified whether the device is connected to the public water treatment system or to the local system, and in accordance with the specified answer encircle symbol 3 or 4.
In some cases, the inhabitants of the building (all or some of them) have private flush toilet which are not located within the dwelling but in the same time inside the house. Even if such a system is utilized by the representatives of a single household only, it should be considered to be located within the building rather than within the dwelling.
4. Water treatment system shall be understood as an underground sewerage system utilized to transfer wastewater from the dwellings to a given destination, such as river, channel, lake, sea, upper layer of the ground), if only the overall length of the installation is equal to or exceeds 250 m. It may be a general water treatment system, as well as economic or natural waste treatment one. The latter as the name suggests is utilized to remove the surplus of natural wastewater but in some cases, dwellings or whole houses can be connected to it.
Water treatment system, such as water supply one, may be municipal, provincial or workplace-managed.
5. Local water treatment system shall be understood as a network connecting few neighboring buildings and transferring wastewater to a cesspit or to river, channel, lake, sea, upper layer of the ground, etc. The distance between the destination and the buildings does not exceed 250 m.
Local water treatment system, similarly to a local water supply one, may be owned by one or more lodgers, as well as may be managed by organized agricultural units.
6. If there is no water treatment system within the dwelling and the inhabitants do not use the system installed inside the house, then the 0 symbol shall be encircled.
In some cases, the inhabitants of a given building may have access to a flush toilet, but in order to do so, it is necessary to leave the building. In such an instance, the 0 shall be encircled as well.