Table 6.

Variance decomposition of the extracted principal components of water quality indexes.

Component	Initial Eigenvalues			Extract Sum of Squares and Load
	Total	Variance %	Accumulation %	Total	Variance %	Accumulation %
1	3.566	35.655	35.655	3.566	35.655	35.655
2	1.823	18.233	53.889	1.823	18.233	53.889
3	1.310	13.103	66.992	1.310	13.103	66.992
4	1.104	11.035	78.027	1.104	11.035	78.027
5	0.857	8.573	86.600
6	0.504	5.039	91.639
7	0.354	3.537	95.176
8	0.307	3.068	98.244
9	0.112	1.119	99.363
10	0.064	0.637	100.000