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What are the most important things to remember about a septic system?
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1.  The most important thing to remember about a septic tank is that it should be emptied regularly and inspected by a professional every two to three years.
2.  It's also important to keep the area around the tank free from debris, such as leaves and grass clippings, which can clog the drain field.
3.  Regular maintenance of the tank includes checking for signs of leakage or damage and cleaning out any solids in the tank.