Effluent sewer

Effluent sewer systems, also called septic tank effluent drainage (STED) or solids-free sewer (SFS) systems, have septic tanks that collect sewage from residences

4-reasons-to-have-your-septic-tank-inspected4 reasons to have your septic tank inspected
from petesoutflow, ago in
If you are preparing to sell a property that has OSSF (On-Site Sewage Facilities) or a septic system you should hire qualified professionals to perform a real estate septic inspection. Here are four reasons why a septic system inspection makes a lot of sense.

Plumber’s Handbook
Howard C. Massey, published 1998, 350 pages