Assessment of a Physicochemical Indexing Method for Evaluation of Tropical River Water Quality

Table 4

The average water quality of 18 stations over three samplings in Dec 2015, Jan 2016, and Mar 2016.

ST	pH	DO; (mg/L)	Conductivity (μS/cm)	Turbidity (NTU)	TSS; (mg/L)	BOD; (mg/L)	COD; (mg/L)	NH3-N; (mg/L)	FCC; (CFU/100 mL)
1	6.95 ± 0.13	4.80 ± 0.63	47.67 ± 10.97	39.63 ± 13.68	52.96 ± 16.63	1.49 ± 0.77	1.61 ± 2.14	0.02 ± 0.02	6500 ± 4501
2	7.07 ± 0.19	4.67 ± 0.97	53.33 ± 6.95	37.18 ± 7.36	44.96 ± 11.10	1.57 ± 0.78	2.90 ± 2.48	0.03 ± 0.05	9611 ± 7209
3	7.04 ± 0.18	4.41 ± 0.78	49.67 ± 2.65	40.64 ± 5.16	50.63 ± 8.63	1.44 ± 0.69	0.79 ± 0.77	0.02 ± 0.03	7638 ± 5491
4	7.04 ± 0.12	5.18 ± 1.20	67.33 ± 40.10	67.19 ± 47.13	68.78 ± 41.48	1.42 ± 0.72	5.55 ± 5.33	0.12 ± 0.18	25694 ± 13385
5	7.17 ± 0.19	4.06 ± 1.81	99.11 ± 16.34	28.29 ± 13.64	40.26 ± 17.27	1.66 ± 0.68	4.76 ± 1.95	0.14 ± 0.14	33722 ± 35238
6	7.17 ± 0.48	4.44 ± 0.87	109.11 ± 63.90	101.41 ± 52.20	191.28 ± 247.95	1.90 ± 1.04	13.88 ± 19.64	0.05 ± 0.07	17166 ± 10655
7	7.04 ± 0.24	3.83 ± 1.00	65.83 ± 26.87	57. 53 ± 34.53	67.81 ± 39.06	1.61 ± 0.86	2.88 ± 4.08	0.02 ± 0.03	18361 ± 17759
8	6.60 ± 0.53	4.27 ± 1.12	66.33 ± 17.33	103.17 ± 89.15	86.44 ± 64.33	2.05 ± 1.40	4.80 ± 6.51	0.06 ± 0.05	8055 ± 6660
9	6.75 ± 0.25	4.33 ± 1.84	76.33 ± 24.28	22.12 ± 11.27	20.71 ± 4.44	2.06 ± 1.36	17.73 ± 23.86	0.07 ± 0.02	7750 ± 4883
10	7.25 ± 0.22	3.46 ± 1.70	137.33 ± 63.31	27.70 ± 6.78	29.26 ± 14.16	1.61 ± 0.44	5.99 ± 8.41	2.08 ± 1.69	94805 ± 77343
11	7.46 ± 0.38	1.98 ± 0.61	192.67 ± 26.74	21.14 ± 10.66	22.52 ± 7.48	2.01 ± 0.37	16.82 ± 16.45	1.45 ± 1.00	73638 ± 32315
12	7.58 ± 0.41	2.43 ± 1.08	255.67 ± 29.87	38.55 ± 27.66	15.96 ± 10.31	2.06 ± 0.61	13.43 ± 12.10	2.23 ± 0.52	75500 ± 31716
13	7.19 ± 0.12	2.75 ± 0.27	150.56 ± 111.59	29.41 ± 13.85	26.00 ± 6.82	2.32 ± 0.67	5.97 ± 3.13	1.48 ± 1.83	60555 ± 50737
14	6.96 ± 0.07	3.58 ± 1.13	68.11 ± 24.31	38.37 ± 29.64	37.41 ± 23.84	2.23 ± 0.62	8.41 ± 4.84	0.10 ± 0.08	14722 ± 8511
15	6.97 ± 0.16	3.22 ± 0.50	632.56 ± 843.61	30.37 ± 13.45	31.37 ± 9.79	2.51 ± 1.03	13.87 ± 11.28	0.10 ± 0.09	37694 ± 9794
16	7.25 ± 0.15	3.38 ± 0.92	4100.67 ± 4739.69	208.71 ± 193.36	227.96 ± 249.41	2.53 ± 0.86	10.82 ± 7.99	0.08 ± 0.08	22138 ± 19138
17	7.27 ± 0.10	3.00 ± 0.20	2951.33 ± 2190.91	32.52 ± 11.13	33.48 ± 5.63	1.84 ± 0.62	9.95 ± 2.48	0.11 ± 0.09	32916 ± 29389
18	7.36 ± 0.20	2.65 ± 0.27	4468.33 ± 2592.71	58.54 ± 35.83	55.00 ± 27.62	1.66 ± 0.55	8.39 ± 3.60	0.70 ± 0.52	44416 ± 9555