Do Not Disturb: The Soil, That Is!

Less is more when we’re talking about disturbing the soil in and around an infiltrative area where a mound or at-grade system will be installed.
Do Not Disturb: The Soil, That Is!
An excavator bucket is used to scarify the soil during surface preparation for a mound system.

Since the 1970s in Minnesota we have been using mound treatment systems to overcome soil limitations and provide separation for treatment of septic tank effluent. Since the 1990s we have been using at-grade systems where the soils permit. With both of these above-ground systems,...

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