Patan is one of the agriculturally, socially and economically advanced districts, situated in the northern part of Gujarat State. Regionally, it forms part of North Gujarat Region and is bounded towards north by Banaskantha, towards south by Surendranagar Towards west by Little Rann of Kachchh and towards east by Mahesana districts. The Patan district lies between 23°20'51ʺ N 24°05ʹ19ʺ N Latitudes and 71°01ʹ12ʺ E 72°27ʹ53ʺ E Longitudes and falls in the SOI degree sheet nos. 41M, 46A, 40P 45D is part of north Gujarat alluvium Plain. Salinity in the groundwater is the major issue in the district. The groundwater quality is highly variable with fresh groundwater in the eastern part of the district to saline in the central and western part of the district. Aquifer group II and III have relatively good quality in the eastern part of the district which gradually deteriorates towards western part in the areas adjoining Rann. The Clay content increases from East to west in the district, evident from the Subsurface Hydrogeological sections.