Table 2.

The extracted principal components of water quality indexes.

Component	Initial Eigenvalue			Extract Sum of Squares and Load
	Total	Variance %	Accumulation %	Total	Variance %	Accumulation %
1	4.307	43.067	43.067	4.307	43.067	43.067
2	2.244	22.443	65.510	2.244	22.443	65.510
3	1.278	12.785	78.295	1.278	12.785	78.295
4	0.725	7.246	85.541
5	0.474	4.738	90.279
6	0.409	4.088	94.367
7	0.316	3.156	97.523
8	0.149	1.487	99.009
9	0.084	0.837	99.846
10	0.015	0.154	100.000