Problem village if water is in depth more than?
A “problem Village” has been defined as one where :

No source of safe water is available within a distance of 1.6 km OR
Water source has excess salinity, iron, fluorides &other toxic elements OR
Water is exposed to the risk of cholera
Water is available at a depth of more than 15 mts OR
5 mts
10 mts
15 mts
20 mts