Eichhornia crassipes Efficacy in Secondary Wastewater Treatment in the Western Highlands of Cameroon

Table 3

Fecal coliforms and streptococci contents in the vegetated and control lagoons system during the dry and rainy seasons at the inflow and outflow of each lagoon.

Lagoon system	Parameters	Dry season					Rainy season
		Inlet	Anaerobic lagoon	Facultative 1 lagoon	Facultative 2 lagoon	Maturation lagoon	Inlet	Anaerobic lagoon	Facultative 1 lagoon	Facultative 2 lagoon	Maturation lagoon
Vegetated	SF  10^4 (UFC/100 ml)	41.33 ± 21.56^b	6 ± 3.33^a	2.33 ± 3.11^a	0 ± 0^a	0 ± 0^a	28.75 ± 34.12^ab	0.75 ± 11.25^a	0.25 ± 0.37^a	0 ± 0^a	0 ± 0^a
	CF  10^4 (UFC/100 ml)	75.67 ± 49.56^c	20 ± 16^abc	14.33 ± 42.22^ab	11 ± 9.33^ab	19 ± 11.33^abc	60.5 ± 28.25^bc	13.25 ± 7.25^ab	3.75 ± 1.75^a	6 ± 7^a	34 ± 38.5^abc
Control	SF  10^4 (UFC/100 ml)	41.33 ± 21.56^ab	5 ± 3.33^ab	3.33 ± 4.44^ab	0 ± 0^a	0 ± 0^a	28.75 ± 34.12^ab	0 ± 0^a	15.25 ± 19.87^ab	7 ± 9^ab	56.25 ± 54.25^b
	CF  10^4 (UFC/100 ml)	75.67 ± 49.56^a	15 ± 16^a	4.67 ± 3.56^a	38.33 ± 41.11^a	53.33 ± 57.78^a	60.5 ± 28.25^a	31 ± 11.5a	56.25 ± 39.25^a	27.5 ± 15^a	29.5 ± 22.5^a

The letters a, b, and c signify that the values are significantly different.