O riginal Article Bulletin of Pure and Applied Sciences. Vol. 36 E (Geology), Issue (No.1) 2017: P.18-26 Print version ISSN 0970 4639 Online version ISSN 2320 3234 DOI 10.5958/2320-3234.2017.00002.6 Corresponding Author: Aher K.R, Groundwater Survey and Development Agency, 2 nd floor, collector office building, Fazalpura, Aurangabad-431001 M.S. India. E-mail: kailashgis@gmail.com (Received on 07.03.2017, Accepted on 29.06.2017) M ultivariate Statistical Analyses of Physicochemical Parameters in Groundwater Samples of Borinala Watershed of Aurangabad District, M aharashtra, India Aher K.R.*, Dhumal M.L.** *Groundwater Survey and Development Agency, 2nd floor, collector office building, Fazalpura, Aurangabad-431001 M.S. India. **Department of Mathematics, Deogiri College, Aurangabad-431001 M.S. India. 1. INTRODUCTION Water is essential to all forms of life and makes up 50-97% of the weight of all plants and animals and about 70% of human body (Buchholz, 1998). Water is also a vital resource for agriculture, manufacturing, transportation and many other human activities. Despite its importance, water is the most poorly managed resource in the world (Fakayode, 2005) Groundwater is the major source of drinking water in both urban and rural areas. The importance of groundwater for the existence of human society cannot be overemphasized. Besides, it is an important source of water for the agricultural and industrial sector. Till recently it had been considered a dependable source of uncontaminated water. Groundwater crisis is not the result of natural factors. It has been caused by human actions. Much of ill Abstract The present study was carried out to evaluate the current status of groundwater samples collected from Borinala watershed of Aurangabad district. A total of 23 samples were collected and analyzed for the determination of various physicochemical parameters. The results of the present study established that some of the groundwater samples show slightly high pH (8%), TDS (4%), total hardness (4%), magnesium (4%) and bicarbonate (4%). This degradation of water quality occurred due to the agricultural practices. The order of mean levels of various physico-chemical parameters was found to be HCO3 > Cl > Ca > Na >Mg. The correlation study revealed the strongest correlation was observed between conductance and sodium (ݎ= 0.980). Multivariate analysis in terms of principle component analysis and cluster analysis furnished information about the sources of various parameters in groundwater samples. Therefore there is need to preserve and protect the precious groundwater resources as well as a continuous monitoring of groundwater resources is needed to know the quality water.