Changes

==Drawdown time to empty facility==

==Drawdown time to empty facility==

[[file:Hydraulic radius.png|thumb|Three footprint areas of 9 m².<br>

[[file:Hydraulic radius.png|thumb|Three footprint areas of 9 m².<br>

From left to right x = 12 m, x = 14 m, and x = 16 m]]

From left to right x = 12 m, x = 20 m]]

The target [[drawdown time]] for the internal storage of an infiltration facility is between 48-72 hours. <br>

The target [[drawdown time]] for the internal storage of an infiltration facility is between 48-72 hours. <br>

For some geometries (e.g. particularly deep facilities or linear facilities), it preferable to account for lateral infiltration.  

For some geometries (e.g. particularly deep facilities or linear facilities), it preferable to account for lateral infiltration.