Wednesday, September 23rd, 2020

Mound Septic System

October 26, 2009 by  
Filed under Latest Septic Information

mound septic system

Is A Mound Septic System Necessary?

If your area contains one or more of the following conditions:

  • high water table
  • non porous soil (will not perc well)
  • very compacted soil, slate, or just plain rock
  • close proximity to area wells

then, you may want to consider a Mound Septic System.

The mound septic system simply places the materials necessary for suitable filtering and dispersion above the normal septic system components. The above ground (mound) septic system is generally more expensive than a typical septic system, though the impact on the land is somewhat lessened as there is not as much digging required.

Components of a Mound Septic System

Similar to a normal septic system, an above ground mound septic system begins with a septic tank. This is where the waste water from the home initially goes. Within the septic tank, the heavier solids sink to the bottom, where bacteria begins to decompose them, while the lighter liquids float to the top. The waste water exiting the tank then travels to the pump chamber slightly lower in the ground which allows gravity to ensure a constant flow of water. The pump operates off of a float switch, turning it on and off as tank level requires.

Since the mound replaces the leach field, the size is determined by the number of occupants in the home or expected usage of the system. The pump chamber is sized accordingly as well, and the float switch is set to a specific dose which the mound is expected to be able to handle for a given amount of time.

The effluent exits the mound septic system pump chamber through a series of small pipes, that begin near the top of the mound, in measured doses that are controlled by the pump. Surrounding the small pipes is the mound itself, which is a calculated amount of sand atop a gravel-filled bed which sits on top of the natural soil surface. The effluent then trickles slowly through the mixture of sand, then gravel, then top soil, before naturally returning to the earth which further filters it before reaching the ground water.

The above ground mound septic system has been proven to work very well, and hardly ever fails. In the rare case of a failure, however, the waste water will reach the alarm float, which sits above the on float, triggering an alarm in the home so that the issue can be addressed before the surroundings are contaminated.

Mound Septic System Components Available on Ebay

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