| Value | Category | 
|---|---|
| 10 | PIPED WATER | 
| 11 | Inside the house | 
| 12 | Inside neighbor's house | 
| 13 | Public water | 
| 20 | OPEN WELL WATER | 
| 21 | In own land | 
| 22 | In neighbor's land | 
| 23 | Unprotected public well | 
| 30 | COVERED WELL/BOREHOLE | 
| 31 | Protected public well | 
| 40 | SURFACE WATER | 
| 41 | River/Lake | 
| 51 | Rainwater | 
| 96 | Other |