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

Table 1

Characteristics of the different lagoons.

Device	Length (m)	Width (m)	Depth (m)	Hydraulic retention time (days)
Anaerobic lagoon	1.65	1.3	0.99	1.80
Facultative lagoon 1	1.65	1.3	0.55	1.2
Facultative lagoon 2	1.65	1.3	0.55	0.88
Maturation lagoon	1.65	1.3	0.35	0.66

AL: anaerobic lagoon; FL: facultative lagoon; ML: maturation lagoon.