Sewage Treatment Plant is a plant or installation that is used to purify contaminated substances. These substances may be solid, liquid and semi-solids. Sewage treatment Foul or grey water is one of the treatments that a waste water treatment plant can process. Treatment plants are named after their treated substances, for example:
- Wastewater treatment plant – treated wastewater
- Effluent treatment plant – treated effluent
- Sewage treatment plant – treated sewage
- Water treatment plant – treated water
A treatment plant is necessary in a domestic property that is not connected directly to the sewer.. The treatment plant will break down the sewage in 3 stages, Primary settlement, Biological treatment and final treatment to final effluent. The end product should be clear,clean and reduced ammonia to be discharged to the ground via a drainage field or can discharge directly to a brook or stream.