Effectiveness of Entropy Weight Method in Decision-Making

Table 4

Water quality evaluation results.

Sample	CODMn	NH3	Sulfide	Water quality index	Water quality degree
Water 1	97.0	86.7	82.0	84.6	Excellent
Water 2	96.5	10.0	100.0	88.8	Excellent
Water 3	77.5	30.0	100.0	88.6	Excellent
Water 4	62.5	50.0	100.0	88.9	Excellent
Water 5	47.5	74.3	100.0	89.7	Excellent