@ARTICLE{Abdul-Hameed_Hayder_M._Applying_2020, author={Abdul-Hameed, Hayder M.}, number={No 47}, pages={25-29}, journal={Journal of Water and Land Development}, howpublished={online}, year={2020}, publisher={Polish Academy of Sciences; Institute of Technology and Life Sciences - National Research Institute}, abstract={In this research different methods for measuring water quality indices were conducted to investigate the performance of the newly designed, constructed and operated 9-Nissan water treatment plant, Iraq. Data gathering and implementation took place throughout winter and summer. Water samples were taken periodically, according to the standard method, the re-search was carried out by collecting different random samples for eight months (Jun. 2015–Jan. 2016) and measuring (tur-bidity, total hardness, pH, total dissolved solids, suspended solids, Cl–, Mg2+, Fe2+,NO3–, NH3+) for each sample. Five dif-ferent approaches and methodologies of calculating the water index were applied. The results revealed that the Water Qual-ity Indices varied from 70.55 to 88.24, when applying Canadian Council of Ministers of the Environment Water Quality Index (CCMEWQI) and British Columbia water quality index (BCWQI) geometric weighted mean respectively. All the results, from the five approaches indicated good water quality, multiple regression analyses were conducted for turbidity, total hardness and suspended solids, they found that these parameters are strongly related to each other and to other pa-rameters.}, type={Article}, title={Applying of water quality indices methods for assessment of 9-Nissan Water Treatment Plant}, URL={http://www.czasopisma.pan.pl/Content/118031/PDF/Abdul%20Hameed%20670.pdf}, doi={10.24425/jwld.2020.135028}, keywords={nitrate, pH, suspended solids, water quality index, water treatment plant}, }