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Line 137:
Line 137: − Catchment land use influences the recommended total storage volume. A higher level of treatment may require a larger storage volume.+
→Volume
*''t'' = [[drainage time|time permitted for ponding to infiltrate]] (hrs) (typically 48 hours)}}
*''t'' = [[drainage time|time permitted for ponding to infiltrate]] (hrs) (typically 48 hours)}}
Higher catchment imperviousness may require a larger storage volume, as shown in the chart on the right.
===Outlet===
===Outlet===