Groundwater

The original source of water (aside from collecting rain). The health of aquifers globally is concerning. Access (digging wells) has become very costly and risky as there is no guarantee how deep you need to go to hit water. 

Issues include:

-Contamination
-Subsidence
-Seawater intrusion
-Water rights
-Replenishment
-Infiltration

in India, Andhra Pradesh , kotanka ( pincode: 515731) village .. The person Nagireddy who is very specialist in finding water from underground level Village Technics , Watch Indian Violent Festival :: https://youtu.be/Uh6ew5oCETw Subscribe please : https://www.youtube.com/channel/UCdcWA-gWj8_zP1MgvbZendw
 
 
well and pail.jpg