Glossary of Terms
Excavation in fill or soil, being a component of a leaching bed where a distribution pipe will be or is placed, which allows permeation of the effluent into the fill or soil.
A sequence of perforated pipe installed in a leaching bed for the intention of distributing effluent from a septic tank or secondary treatment unit to the soil or fill in a leaching bed.
Liquid which flows away from a containing space, such as a septic tank. Sanitary sewage that is passed through a treatment unit.
Wastewater from showers, laundry, and kitchen sinks, excluding toilet wastes.
A tank designed for the total retention of all sewage released into it and needing intermittent discharging by a hauled sewage system.
The absorption system constructed as absorption trenches or as a filter bed, located in ground or raised above ground as required by local conditions, to which effluent from a septic tank or secondary treatment unit is applied for treatment and disposal.
A process of draining of soluble salts, alkali and other constituents from soils or other media by natural percolation or abundant irrigation.
A transportable latrine in which the receptacle for human body waste and the superstructure are connected structurally into one component.
Oils and greases and other material that will float forming a deposit on the top of the sewage.
A watertight vault in which sewage is accumulated with the intention of extracting scum, grease, and solids from the liquid without the addition of air and anaerobic digestion of the sewage being established.
The gathered settled solids accumulated from sewage or industrial refuse, treated or raw, in tanks or basins, and comprising more or less water to build a semi-liquid accumulation.
Any type of water upgrade that improves treated wastewater to meet reuse requirements. This may include general cleanup of water, or elimination or certain parts of wastes inadequately removed by conventional treatment processes. The standard process would include chemical remedies and pressure filtration.
Fertile dark coloured surface soil that supports growth.
A latrine in which the receptacle for the human waste consists of an assembled vault from which the refuse is intermittently extracted.