Tank size? Field size? Soil conditions? Site location? Closest excavator's phone number? Number of bedrooms? Airspeed velocity of an unladen swallow?

Now call the phone number and ask them your questions.

It depends. Somewhere between $15,000 and $80,000, unless you have something unusual going on, in which case it can be more. You really need a local estimate based on your needs and conditions.

Give more details. Do you need a mound system? Has the system been designed yet? Many states require a system to be designed by a licensed professional so if you live in one of them that is your first step. The price will be around $500 to $800 for the perk tests and design requirements a contractor must follow. The designer will be able to give you a ball park figure of what a contractor will charge you.

I had an aerobic septic system put in last year and it was about $8,000.