InterNACHI Septic Practice Questions - InterNACHI Certified Septic System Inspector Exam

Which statement BEST describes the advantage of a two-compartment septic tank over a single-compartment tank?

It eliminates the need for periodic pumping It provides additional settling in a second chamber, reducing solids carryover to the drainfield It doubles the effective hydraulic retention time per unit volume It eliminates the need for an effluent filter

Correct Answer:

It provides additional settling in a second chamber, reducing solids carryover to the drainfield

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