70-Sissertation Report on Assessment of Groundwater Resource in Coastal Regions of Andhra Pradesh.

Abstract

Water is essential for life and is always the talk of the town either due to too much of it or too little of it. Groundwater is a regenerated phenomenon. It is simply the existed water in vents and scratches in rocks beneath the earth surface. As groundwater is being positioned below the surface of earth at its saturation level and that is acknowledged as aquifers, within which water quench the crevices and openings of rocks and residues. Groundwater is the highly treasurable asset of any nation. It helps sustaining life and promote developmental activities. In India, groundwater fulfils almost 85% of rural domestic needs and 50% of urban needs in today's world the rate of contamination has exceeded its limits and the after affect has seen in the form of surface water contamination. As groundwater and surface water are interdependent on each other for example- contaminated aquifers that discharges continuous groundwater to streams can result in long-term contamination of surface water; conversely, streams can be a major source of contamination of aquifers. The area of concern is Andhra Pradesh which is separated from Telangana in the year 2014, because of separation the coastline importance has increased. It has a coastline of about 974 km. The purpose of this study to examine the salt water intrusion presence in the coastal districts and if presence is their then in which amount salinity is there, these presence are examined by isotopic and ionic analysis.