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. 2005 Feb;3(1):3–12. doi: 10.3121/cmr.3.1.3

Figure 2.

Figure 2.

Illustration of a storm water catch basin. Storm water carrying debris and organic material flows from above-ground into the grate. Debris settles and excess water is carried out. Water below the inlet/outlet pipe remains in the catch basin. Catch basins often retain water even during dry periods.