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// CODE SNIPPET

406.3 Percolation Rate, Trench or Bed

Private Sewage Disposal Code 2012 of South Holland, IL > 4 Site Evaluation and Requirements > 406 Site Requirements > 406.3 Percolation Rate, Trench or Bed

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A subsurface soil absorption system of the trench or bed type shall not be installed where the percolation rate for any one of the three tests is slower than 60 minutes for water to fall 1 inch (25 mm). The slowest percolation rate shall be used to determine the absorption area.

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