This document discusses water resources in Bangalore, including groundwater sources like open wells and borewells. It notes that borewell water quality is generally within acceptable limits for drinking but quality is declining. It advocates recharging groundwater by capturing rainwater in recharge wells. The document also outlines Bangalore's increasing reliance on multiple water sources like piped water, groundwater, and bottled water due to issues like water scarcity and infrastructure growth. It recommends demand management and rainwater/wastewater reuse to supplement supplies. Lastly, it provides details on the Karnataka Groundwater Act and regulations regarding borewell registration and permissions.