Catchment and runoffRunning
Water cycle loop. Roof area at 239 m². Water harvested 203.32 m³, Tank capacity 102 m³. Currently water harvested is over by 101.32 m³.TUNINGWATER HARVESTEDTANK CAPACITY239 M²
t = 0.0s

Water harvested

203.32

Tank capacity

102

239

Water cycle loop. Roof area at 239 m². Water harvested 203.32 m³, Tank capacity 102 m³. Currently water harvested is over by 101.32 m³.

What has to balanceV=A×dV = A \times d

What is happening

You are called to a village sizing a rooftop rainwater tank before the monsoon.

The village will not get through the dry season. A season delivers 0.85 m of rain, the tank must fill with 102 m³, and the roof area on the plan is wrong.