You might also hear the drain field called the drainage field, leach field, or absorption field, but they are all the same thing. It is the last stop in the septic wastewater management process.

Tree roots may even be the cause of drainage issues or pipe damage. ... Leach field replacement costs between $1,000 and $5,000 whereas replacing leach lines cost between $20 and $45 per linear foot.

You Can’t Plant Vegetation That Harms the System. While there are benefits to growing certain vegetation on the septic field, you can run into problems if you plant the wrong type of vegetation.

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