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The Curious Bag
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<h4 class="dechead">On One Hand: Pump Every Few Years
To keep a septic tank healthy, pump the tank every 3 to 5 years. This can help to eliminate unwanted chemicals that could change the bacterial makeup of the tank, thereby harming it.
On the Other: Big Families Might Need to Pump More Often
Large families of eight or more might have to pump their septic tank every year, especially for older systems that require additional monitoring. Homes without a garbage disposal should also regularly pump their tanks every 1-2 years. Buildup of sludge can prevent liquid waste from processing through the system, and cause a backup with unsanitary liquids bubbling up to the surface, leading to an expensive and stinky mess.
Bottom Line
Most mid-sized families only need to pump their septic tank every 3 to 5 years, but larger households that are creating a high level of food waste and sewage should pump more often to prevent their system from failing.
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