Calculate Storage Volume of Retention cum Detention Pond By Double-end Area Method

Elevation of pond bottom (ELb)

Water surface elevation (ELt)

Surface area of pond bottom (SAb)

Area of water surface (SAt)

Result

Depth of pond, D

Storage volume of pond, V

ELb - Elevation of pond bottom
ELt - Water surface elevation
SAb - Surface area of pond bottom
SAt - Area of water surface
D - Depth of pond
v - Storage volume of pond