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Apparatus and method for monitoring the condition of septic tanks

  • US 6,012,020 A
  • Filed: 05/21/1998
  • Issued: 01/04/2000
  • Est. Priority Date: 05/21/1998
  • Status: Expired due to Fees
First Claim
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1. A method for monitoring the status of a septic system which includes a tank, having a bottom, an inlet, and an outlet, wherein the tank contains three levels of material, consisting of an essentially solid sediment level, a liquid level above the sediment level, and an essentially solid cake level above the liquid level, comprising:

  • sensing the location of the bottom of the septic tank;

    sensing the location of the boundary between the sediment level and the liquid level;

    sensing the location of the boundary between the liquid level and the cake level;

    calculating the status of the septic system as a function of said locations; and

    outputting said status remotely from the tank.

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