1. Masters Research Student, International Water Management Institute, Hyderabad 502324, India; and Univ. of Melbourne, Melbourne, Victoria 3053, Australia (corresponding author).
2. Principal Researcher—Hydrogeology, International Water Management Institute, Hyderabad 502324, India.
3. Senior Research Fellow, Dept. of Infrastructure Engineering, Univ. of Melbourne, Melbourne, Victoria 3053, Australia.
4. Joint Director, Groundwater Dept., Government of Andhra Pradesh, Hyderabad, India.
5. Research Fellow, Dept. of Infrastructure Engineering, Univ. of Melbourne, Melbourne, Victoria 3053, Australia.