Evaluation of Long-Term Wastewater Treatment Performances in Multi-Soil-Layering Systems in Small Rural Communities

Figure 2

The structure and piping diagram of multi-soil-layering system at each site: (a) SITE 1, (b) SITE 2, (c) SITE 3, and (d) enlarged view of MSL structure.

(a)

(b)

(c)

(d)