basic treatment train diagrams keep in mind…variations are always possible
TRANSCRIPT
Basic Treatment Train Diagrams
Keep in mind…variations are ALWAYS possible
Basic Gravity System Components
Source
Septictank with
effluent screen
Drainfield
Soil
DistributionBox
Shallow placement drainfield
Limiting layer
Suitable Fill Drainlines and Gravel
Aerobic Soil
Areal Fill (“Mound”) drainfield
Limiting Layer
Suitable Fill Trenches
Aerobic Soil
Pressure-dosed gravity
Source
Septic Tank with effluent
screen
Drainfield
Aerobic Soil
DosingTank
Press
ure
man
ifold
Pressure regulating
valve
Basic LPP System Components
Source
Septic Tank withEffluent screen
LPP Laterals
Aerobic Soil
DosingTank
Turn
upMan
ifold
Pressure regulating
valve
Basic Drip Irrigation System Components (Direct ST Effluent)
Source
Septic Tank withEffluent screen
Drip Laterals and supply and return manifolds
Aerobic Soil
DosingTank
Headworks assembly
Basic Drip Irrigation System Components (Advanced-treated effluent)
Source
Septic Tank withEffluent screen
Drip Laterals and supply and return manifolds
Aerobic Soil
DosingTank
Headworks assembly
Advanced treatment and possible
recirculation
Basic sand filter system Basic sand filter system componentscomponents
To drainfieldO
bser
vatio
n
port
Sampli
ng
Septic Tank with effluent
screen
Dosing Tank
Underdrain
Type A Peat Filter System
Peat Bio-filter Module(s)
Fill Mound
Septic Tank
Dosing Tank
Gravel Pad
Type B Peat Filter System(gravity-fed drainfield)
Fill Mound
Septic Tank
Dosing Tank
Gravel Pad
Peat Bio-filter Module(s)
To Drainfield
Drop Box (Sampling
point)
Type B Peat Filter System(pressure-dosed drainfield)
Fill Mound
Septic Tank
Dosing Tank
Gravel Pad
Peat Bio-filter Module(s)
To
D
rain
fiel
d
Pump tank