Septic tanks are installed to allow solids to settle out of sewage and hold these solids in the tank. Over the years of operating, accumulated solids begin taking up too much room in the tank, reducing the volume available for settling.
It is helpful to draw a diagram of the septic system which shows the location of the house, the septic tank and its manholes, and the drain field.
This diagram will make it easier for a qualified maintenance worker to check and maintain the system. Sketch a diagram showing the location of your septic tank and drain field in relation to your house.
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