Integrated Evaluation of Urban Water Bodies for Pollution Abatement Based on Fuzzy Multicriteria Decision Approach

Table 1

Water quality parameters before BT and Chinese National Standard.

Sampling time		Monitoring project
		Water temperature °C	pH	DO; mg/L	COD; mg/L	TP; mg/L	TN; mg/L	NH3N; mg/L
National standard GB3838-2002		Class V index	6–9	2.00	15.00	0.0	2.00	2.00
A	14:40	16.1	7.5	2.5	10.90	0.96	14.80	10.60
	River water quality class		—	V	V	Inferior V	Inferior V	Inferior V
B	16:00	27.2	8.77	2.81	12.10	0.82	14.90	11.20
	River water quality class		—	V	V	Inferior V	Inferior V	Inferior V

A, B represent two criteria based on pH and temperature value.