Assessment of River Water Quality and Pollution Status Using Physicochemical and Biometrics, Awetu River, Ethiopia

Table 3

Order of macroinvertebrate load collected from selected site of Awetu River.

Order	Sample site							Average	%
	S1	S2	S3	S4	S5	S6	Sum
Odonata	118	76	63	51	33	42	383	63.8	27.1
Himeptera	43	35	27	18	13	21	157	26.2	11.1
Coleptera	52	48	31	9	7	1	148	24.7	10.5
Tricoptera	70	64	49	26	19	18	246	41.0	17.4
Dipteral	0	11	17	28	61	117	234	39.0	16.6
Ephemeroptera	54	32	13	11	7	9	126	21.0	8.9
Plecoptera	29	18	12	7	3	0	69	11.5	4.9
Hirudinea	4	5	7	7	9	18	50	8.3	3.5
Total	370	289	219	157	152	226	1413	235.5	100