Patent ID: 7727388
Filing Date: 2010-06-01
Classification: E03F

Abstract:
1. An underground disposal system for filtering post-septic effluent comprising: a watertight basin adapted to be installed underground, the basin having a top, a bottom and connected side walls; a filter media housed within the basin; an effluent distribution means within the basin for distributing post-septic effluent through the filter media; a conduit connecting a septic tank with the basin for transport of post-septic effluent into the distribution means; a discharge pipe connected underneath and along a substantial portion of the bottom of the basin for receiving and transporting filtered effluent from the basin; and at least one reservoir retention chamber connected with the discharge pipe and laterally separated from the basin, the at least one reservoir retention chamber forming a drainfield reserve for introduction of the filtered effluent into the surrounding soil; wherein the at least one reservoir retention chamber includes an elongated mesh tube filled with a reservoir retention chamber filter media.