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=== Key Design Parameters ===
=== Key Design Parameters ===
The performance of sedimentation systems depends on several factors:
The performance of sedimentation systems depends on several factors:
'''Permanent Pool Volume''' – The volume of water permanently stored in a system, aiding quiescent settling.
'''Permanent Pool Volume''' – The volume of water permanently stored in a system, aiding quiescent settling.
'''Surface Loading Rate''' – The volume of water per unit surface area per unit time.
'''Surface Loading Rate''' – The volume of water per unit surface area per unit time.
'''Detention Time''' – The length of time water remains in the system before discharge.
'''Detention Time''' – The length of time water remains in the system before discharge.
'''Particle Size Distribution''' – Determines the settling velocity of solids in runoff.
'''Particle Size Distribution''' – Determines the settling velocity of solids in runoff.
'''Inlet and Outlet Design''' – Properly designed structures reduce resuspension and short-circuiting of flow.
'''Inlet and Outlet Design''' – Properly designed structures reduce resuspension and short-circuiting of flow.
{| class="wikitable"
{| class="wikitable"
! Practice !! Permanent Pool Volume (m³/ha) !! Surface Area (m²/ha) !! Surface Loading Rate (L/min/m²) !! Detention Time (hrs)
! Practice !! Permanent Pool Volume (m³/ha) !! Surface Area (m²/ha) !! Surface Loading Rate (L/min/m²) !! Detention Time (hrs)
Wet Ponds/Tanks
Wet Ponds/Tanks