Sewage / Waste dream meaning is explained below using 1 different source. Each interpretation is shown with its source.
Interpretation 1 — Klaus Vollmar
Going with the flow, but there is a certain amount of stain connected to it, in contrast to the image of Brook, River. Often a symbol for the shadow or underworld (as in underground sewage pipes). Need for cleansing (see Toilet). It may also be a sign of concern for the environment (see Environmental Pollution).
Source: Little Giant Encyclopedia • Author: Klaus Vollmar