Archives
Leachfield
an area of land in which wastewater seeps through layers of soil and by doing so undergoes natural biological decontamination
Chemical Toilet
Waterless toilet with a tank that contains a chemical to limit decomposition of non-water-carried human waste during storage prior to…
Composting Toilet
Self-contained waterless toilet designed to decompose nonwater-carried human wastes through microbial action on a carbon source and store the resulting…
Suspended-Growth Process
Configuration wherein the microorganisms responsible for treatment are maintained in suspension within a liquid.
Attached-Growth Process
Configuration wherein the microorganisms responsible for treatment colonize a fixed medium
Sequencing Batch Reactor
Component in which batch type suspended-growth (activated sludge) processes are carried out in the same tank in stepwise order (e.g. fill,…
Activated Sludge Process
Wastewater treatment process that uses activated sludge to biologically convert non-settleable (suspended, dissolved, and colloidal) organic materials to a settleable product…
Drip Field
Above or below grade soil treatment area where final treatment and dispersal occurs via application of effluent to the infiltrative…
Effluent Screen
Removable, cleanable (or disposable) device installed on the outlet piping of a septic tank for the purpose of retaining solids…