Low-Carbon Watershed Management: Potential of Greenhouse Gas Reductions from Wastewater Treatment in Rural Vietnam

Table 2

Johkasou system wastewater treatment performance (source: [21, 22]).

Parameters	Influent	Effluent	Vietnam standard for domestic effluent [23]
COD, mg/L	200–400	22–50	—
BOD, mg/L	150–200	11–20	30
TSS, mg/L	80–200	1.6–50	50
NH4-N, mg/L	20–40	2–5	5
T-P, mg/L	6–8	4–6	6
Coliform, MPN/100 mL	0.1 × 10^6–2 × 10^9	2900–3000	3000