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Septic tank having a lid with access port

  • US 10,640,407 B1
  • Filed: 06/02/2016
  • Issued: 05/05/2020
  • Est. Priority Date: 06/02/2015
  • Status: Active Grant
First Claim
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1. A septic tank having a lengthwise centerline, an elongate shape, an inlet end, an outlet end, a top, and opposing lateral sides running between said ends, which comprises:

  • a baffle dividing the tank lengthwise into a first compartment having a first interior cavity and a second compartment having a second interior cavity, wherein the first interior cavity is bounded lengthwise by a wall at the inlet end of the tank and opposingly by the baffle, and wherein the first interior cavity is substantially larger than the second interior cavity;

    a tank top having a first hatch opening that is circular and has a diameter between 16 inches and 30 inches, said hatch opening having a diameter and a longitudinal centerline, said hatch opening providing man-size access to the first interior cavity;

    the tank top having a second hatch opening that is circular and spaced apart along the lengthwise centerline by a portion of tank top from the first hatch opening, the second hatch opening having an associated longitudinal centerline, the second hatch opening;

    providing man-size access to the second interior cavity;

    wherein, the tank top extends both laterally from said two hatch openings to the opposing lateral sides of the tank and lengthwise between the first hatch opening and the second hatch openinga lid, removably attached to the tank top to cover the first hatch opening, the lid having a longitudinal centerline, an effective radius and an associated effective diameter, a top surface, and a periphery;

    the lid comprising a port having a longitudinal centerline and a round bore that provides a passageway through the lid;

    said bore having a diameter between about 4 inches and about 8 inches in dimension;

    wherein the lid is attached to the tank top by a first plurality of fasteners that require a tool for removal thereof, and wherein said port is positioned nominally along the lengthwise centerline of the tank; and

    ,a cover, removably mounted on the lid, closing off said bore of the port.

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