Septic System Diagram

Types of Aerobic Treatment Units
Submerged Aerobic Treatment Systems

Suspended Growth
Submerged Attached Growth/Fixed Film
Sequencing Batch Reactor
Rotating Biological Contactor

Suspended Growth


Aerobic microbes free swimming in the aeration chamber Mixing in the chamber mixes the microbes and the wastewater contaminants Microbial growth in equilibrium with the organic loading, Extended aeration

Submerged Attached Growth



Fixed Film Media Media is submerged in the aeration chamber Microbes are attached to the media Effluent is circulated through the media thus passing contaminants by the microbes Microbial growth in equilibrium with the organic loading, Extended aeration



Previous Article : Septic System Installers - - Next Article : Septic Tank Full

Featured Articles
Providing Quality Service...Guaranteed In the Greater Austin Area of Travis, Hays, Williamson, Burnet, & Bastrop Counties , Point Venture, Onion Creek, Lakeway, San Marcos, Wimberley, Buda, Waterloo, Liberty Hill, Coupland, Bell County, Misc Locations.
Call (512) 338-1804 for fast, dependable service.
Seller Says "Too Bad" Seller Says “Too Bad” After Homebuyers Find Rotting Septic Tank Under Plywood(From Pumper Magazine, October 23, 2018) A news organization in Cortland Manor, New...
Improved Efficiency - Public And Private (Rare story: A public agency and private company work together to improve efficiency for themselves AND their customers.) Background:   Since the State-wide change in...
Aerobic System Pumping Aerobic Treatment Units (ATU) generally require more frequent pumping than do septic tanks of comparable size. There are 2 reasons: The...
  • Septic System Perc The percolation test is only a small part of a complete site evaluation, but it is vital...
  • Maintenance Here's a little discussed but logical fact of life regarding septic systems: All septic systems require maintenance to...
  • Septic Tank Emptying A septic tank system is a vital part of a household. The tank is where waste goes when...
  • Drainfield Septic DrainfieldThe wastewater exits the septic tank and is discharged into the drainfield for further treatment by the soil....
  • Septic System Pumping Traditionally, the most common domestic wastewater treatment system used in rural areas is the septic tank-soil absorption system....