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,...
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 Systems Problem Planned Service Will Help Keep Your Home Safe. Untreated sewage tracked into your home might be an invisible...
  • Install Septic System A properly installed and operated system treats wastewater from your home and returns it to the groundwater to...
  • Septic Tank Replacement Don't attempt to repair a failing system yourself, Hire an experienced contractor. We provide septic tank installation, repair and...
  • Septic Tank Field People with septic systems should not do all the laundry on one day nor should they discharge large...
  • Septic System Water The aerobic treatment unit components - pretreatment tank, aeration chamber, air pump and settling chamber - work together...