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Mound system
A mound system is a type of septic drain field built above natural grade using sand and special layering.
Why it matters
It can be used when the natural soil is not suitable or when groundwater is too high.
Where people get this wrong
A mound is not a landscaping feature. It is a working system. Driving over a mound can ruin it.
Real-world example
A homeowner plans a flat backyard for kids, then sees the septic plan includes a mound. The mound changes how the yard can be used and landscaped.
Where this hits your build
This matters before and during site work. Rural systems have regulations, setbacks, and maintenance requirements that affect where you can build and how you live.
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