Inside the septic tank.
Two tank septic system diagram.
Most household septic tank systems since 1989 have been installed with either two leach drains or two sets of soak wells.
Some systems also have a pump tank.
Septic tank systems are a type of simple onsite sewage facility ossf.
The septic tank digests organic matter and separates floatable matter e g oils and grease and solids from the wastewater.
These systems fall into two general categories 1.
A conventional septic system is typically installed at a single family home or small business.
Gravity fed conventional and 2.
Septic tanks above ground.
A septic tank and a drainfield.
A septic tank is an underground chamber made of concrete fiberglass or plastic through which domestic wastewater flows for basic treatment.
Most conventional septic systems have a septic tank which is usually a large buried rectangular or cylindrical container made of concrete fiberglass or polyethylene.
Settling and anaerobic processes reduce solids and organics but the treatment efficiency is only moderate referred to as primary treatment.
The middle liquid layer effluent then exits the tank and into the drainfield.
Here a diverter mechanism is built into the system which can alter the flow of effluent also allowing one of the soak wells or one of the leach drains to be shut off at any time.
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The pretreated effluent is discharged through a series of perforated pipes onto porous surfaces that allow.
Alternative pump systems including aerobic treatment units atus.
These are referred to as alternating systems.
A septic system consists of two main parts.
A typical septic system consists of a septic tank and a drainfield or soil absorption field.
The drainfield is a shallow covered excavation ideally in unsaturated soil.
Soil based systems discharge the liquid known as effluent from the septic tank into a series of perforated pipes buried in a.
How septic system works diagram 1.
Private onsite wastewater treatment systems powts more commonly referred to as septic systems are used primarily in rural areas of the country where waste water treatment is not available.
A decentralized wastewater treatment system consisting of a septic tank and a trench or bed subsurface wastewater infiltration system drainfield.