Benthic Macroinvertebrates Diversity as Bioindicator of Water Quality of Some Rivers in East Kalimantan, Indonesia

Table 5

Water quality parameters in December 2015 in each station.

		December 15
		Karang Mumus				Jembayan				Pampang
No.	Parameter	K-1	K-2	K-3	Mean ± SD	J-1	J-2	J-3	Mean ± SD	P-1	P-2	P-3	Mean ± SD
1	Dissolved Oxygen	5.97	6.05	3.97	5.33±1.18	7.23	7.15	7.17	7.18±0.04	7.35	7.33	7.4	7.36±0.04
2	pH	5.6	5.55	5.19	5.45±0.22	5.86	5.98	5.65	5.83±0.17	3.53	3.7	5.98	4.40±1.37
3	BOD	79.81	66.71	61.27	69.27±9.53	1.27	0.1	0.96	0.78±0.61	3.35	2.57	0.1	2.01±1.70
4	Temperature Change	30	29.81	29.97	29.93±0.10	29.7	29.92	29.38	29.67±0.27	27.13	25.54	25.61	26.09±0.90
5	Total Phosphate	0.28	0.16	0.68	0.37±0.27	0.58	0.12	0.66	0.45±0.29	0.05	0	0.11	0.05±0.06
6	Nitrates	0.1	0.04	0	0.05±0.05	0.38	0.43	0.15	0.32±0.15	0.38	1.8	0.14	0.78±0.89
7	Turbidity	15.2	20.3	32.6	22.70±8.94	33.6	39.9	18.6	30.70±10.94	2.46	1.19	2.23	1.96±0.68
8	TDS	245	258	270	257.67±12.50	104	103	96	101.00±4.36	216	214	102	177.33±65.25
	WQI =	42.23	42.53	34.71	39.82±4.43	50.99	56.6	51.62	53.07±3.07	50.19	51.47	62.14	54.60±6.56
	Criteria	B	B	B	B	M	M	M	M	B	M	M	M

Note: B: bad; M: medium or moderate.