Modification of the Water Quality Index (WQI) Process for Simple Calculation Using the Multi-Criteria Decision-Making (MCDM) Method: A Review

1Horton Index [8]8✓✓✓2Fuzzy Index [112]No guidelinesFuzzy logic✓Fuzzy logic3National Sanitation Foundation (NSFWQI) [9]11✓✓✓4Prati Index [81]13✓✓✓5Water Contamination Index [18]6✓*✓6Weighted Arithmetic Index (AW-WQI) [113]2✓✓✓7Walski and Parker Index [114]10✓✓✓8Harkins Index [115]No guidelines✓✓✓9SRDD Index [10]10✓✓✓10Ross Index [116]4✓✓✓11Storet Index [117]No guidelines✓✓✓12Stoner Index [83]13✓✓✓13Bascarón Index [103]23✓✓✓14Deininger Index [88]11✓✓✓15Tiwari and Mishra Index [118]14✓✓✓16Bhargava Index [16]4✓✓✓17Dinius Index [119]12✓✓✓18House Index [102]9✓✓✓19Smith Index [82]7✓✓✓20Anzali Index [120]9✓✓✓21Dojlido Index [111]7✓*✓22British Columbia Index [13,121]4***23Aquatic toxicity Index [122]12✓✓✓24Oregon Index [15]8✓✓✓25Canadian Index (CCMEWQI) [12]4***26Contact Recreation Index [123]8✓*✓27Hallock Index [95]8✓*✓28Dalmatian Index [63]9✓✓✓29Overall Index of Pollution [14]8✓✓✓30River Status Index [11]13✓*✓31Kaurish Index [124]9✓*✓32Schiff Index [125]9✓*✓33Universal Index [126]12✓✓✓34Malaysia Index [17]6✓✓✓35Catalan Index [127]5✓✓✓36Hanh Index [80]11✓*✓37Almeida Index [108]9✓✓✓38Ved Prakash Index [7]4✓✓✓39Modified Canadian Index (MCWQI) [128]4***40Vaal Index [19]15✓✓✓41Wanda Index [129]7✓✓✓42Medeiros Index [130]11✓✓✓43Garcia-Ávila Index [131]13✓✓✓44West Java Index [132]17✓✓✓45Drinking Water Quality Index [101]17✓✓✓46Wastewater Water Quality Index [71]23✓✓✓