Value | Category |
---|---|
-9 | don't know |
1 | water supply connected to public water pipeline |
2 | water supply connected to private air compressed water tank |
3 | private fountain connected to public water pipeline |
4 | public fountain connected to public water pipeline |
5 | public fountain connected on separate spring |
6 | excavated well (pump) |
7 | perforated (piped) pump |
8 | aerial well (pump) |
9 | regulated spring |
10 | unregulated spring |
11 | tank (water cistern) with percolator |
12 | tank (water cistern) without percolator |
13 | surface water (from river, stream, cave, ditch, etc) |
14 | bottled water |
19 | other (specify) |