Local Government

Small sewage treatment facility (renamed as "village sewerage" in 1996) (~50m³/d)

Village sewerage (50~500m³/d)

Sewage treatment facility

Sewerage Pipeline

Excrement disposal facilities

Public sewage Treatment facilities

Public Sewerage

※ Village sewerages with a capacity of less than 50m³/d has been subject to Sewerage Law and managed as public sewerage since Jan 1, 2010