==To calculate the required storage reservoir footprint area where the depth is constrained (1D drainage)==
==To calculate the required storage reservoir footprint area where the depth is constrained (1D drainage)==
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In many locations throughout Ontario, there may be limited depth of soil available into which stormwater may be infiltrated. In such cases the required storage needs to be distributed more widely across the landscape. The area of the storage reservoir, A<sub>r</sub> can be calculated:
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In many locations throughout Ontario, there may be limited depth of soil available into which stormwater may be infiltrated. In such cases the required storage needs to be distributed more widely across the landscape. The footprint area of the water storage reservoir, A<sub>r</sub> can be calculated: