Evaluation of Occurrence, Concentration, and Removal of Pathogenic Parasites and Fecal Coliforms in Three Waste Stabilization Pond Systems in Tanzania

Table 5

FC concentration means of raw wastewater and effluents of anaerobic, facultative, and maturation ponds of the three WSP treatment systems.

Type of wastewater	Morogoro WSP		Mwanza WSP		Iringa WSP
	Cfu/100 ml	Log units/100 ml	Cfu/100 ml	Log units/100 ml	Cfu/100 ml	Log units/100 ml
Raw wastewater	2.07 × 10^8	7.95	1.01 × 10^8	7.43	3.12 × 10^8	8.06
Anaerobic pond(s)	1.14 × 10^8	7.53	4.42 × 10^6	6.52	8.15 × 10^7	7.13
Facultative pond(s)	3.21 × 10^6	6.39	2.73 × 10^5	5.21	2.61 × 10^7	6.56
Maturation pond(s)	5.81 × 10^5	5.38	4.92 × 10^3	3.62	5.73 × 10^6	6.07

Note. WSP = waste stabilization pond; cfu = colony-forming unit.