How Well Do You Know Your Septic Tanks?

Plumbing professionals must understand the roles and function of four kinds of sewage tanks: holding, septic, trash and processing.
How Well Do You Know Your Septic Tanks?
Installation of a two-compartment septic tank. Tank size is based on the daily sewage flow and the detention time needed to separate the solids. The septic tank provides the only pretreatment before final dispersal.

During a recent workshop, we were discussing the operation and maintenance of aerobic treatment units (ATUs). As we talked about the trash tank, a participant asked, “What in the world is this trash tank?” 

We often take for granted that people know what we are talking about...

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