_____________________________________________________________________________________________________ *Corresponding author: Email: mha_bina@yahoo.com, hossain.ali.bina@gmail.com; Asian Journal of Advances in Agricultural Research 16(4): 18-27, 2021; Article no.AJAAR.75120 ISSN: 2456-8864 Quality Assessment of Groundwater of Barind Area, Bangladesh using Integrated Hydrochemical Method M. H. Ali 1* , M. H. Zaman 1 , M. A. Islam 1 , P. Biswas 1 , N. N. Karim 2 and M. A. Kader 2 1 Agricultural Engineering Division, Bangladesh Institute of Nuclear Agriculture (BINA), BAU Campus, Mymensingh 2202, Bangladesh. 2 Bangladesh Agricultural Research Council, Farmgate, Dhaka, Bangladesh. Authors’ contributions This work was carried out in collaboration among all authors. All authors read and approved the final manuscript. Article Information DOI: 10.9734/AJAAR/2021/v16i430181 Editor(s): (1) Dr. Rajesh Kumar, College of Veterinary Science & A.H, Lala Lajpat Rai University of Veterinary and Animal Sciences, India. Reviewers: (1) Mamdouh Salama Morsi, Egypt. (2) Pale Sié, Centre Universitaire de Gaoua, Université Nazi Boni, Burkina Faso. Complete Peer review History: https://www.sdiarticle4.com/review-history/75120 Received 09 August 2021 Accepted 19 October 2021 Published 25 October 2021 ABSTRACT The study was conducted for assessing water quality for drinking and irrigation purposes of groundwater sources. Total 50 water samples were collected from different locations of Nachol and Niamatpurupazilla of Chapainawabgonj and Naogaon district in January 2019 and January 2020. Water quality parameters like pH, electrical conductivity ( Ec), iron (Fe), manganese (Mn), calcium (Ca), magnesium (Mg), zinc (Zn), copper (Cu), sodium (Na), potassium (K), total hardness (TH), alkalinity, sulphate (SO4), nitrate (NO3), nitrite (NO2), ammonia (NH4), phosphate (PO4), chloride (Cl), dissolved oxygen (DO), and total dissolved solids (TDS) were analyzed in the laboratory. All the analyzed parameters were compared with national and international drinking and irrigation water quality standards to understand the overall groundwater quality status of the study area. The study showed that the water samples of almost all the locations were suitable for consumption and irrigation. Keywords: Water quality; water quality index; chemical parameters; irrigation. Original Research Article