Table 3.

Comprehensive evaluation value.

Monitoring Point	PC1	PC2	PC3	Composite Scores (Sorting)	WQI Values (Sorting)
Shuaishui	−3.5171	−0.8721	−2.0030	−2.5512 (1)	11.80 (1)
Hengjiang	−0.2822	−1.9778	1.8058	−0.4221 (4)	33.24 (5)
Hunagkou	−1.0502	2.4149	−0.8606	−0.0659 (5)	30.53 (4)
Dunhuang	−1.3722	−1.4120	−0.9634	−1.3191 (2)	23.30 (2)
Xinguan	0.7327	1.7571	2.2443	1.2518 (6)	35.37 (7)
Pukou	6.4341	−1.6283	−1.1362	3.0268 (8)	53.13 (8)
Kengkou	1.0445	3.1580	−0.4212	1.3970 (7)	35.23 (6)
Jiekou	−1.9896	−1.4396	1.3343	−1.3172 (3)	24.27 (3)