Allu

Assuming a 5-br house, a 45min/inch percolation rate, estimated seasonal high-water table is 12ftbelow ground surface, 4-ft separation between seasonal high-water table and bottom of any disposal system, and available stone is limited to no more than 6-inch below leach pipe or concrete structure. Compare the overall surface area (ft2)required to dispose of the septic tank treated wastewater according to the NHregs using the following disposal systems: leach bed, chambers, and dry well. Assume an 8-ft diameter concrete dry well.

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