Q.We’re looking to purchase a new home that will need a septic system. How much will it cost to buy and install one?

Installation of a complete septic system can cost $10,000 to $25,000. Septic tank installation requires initial ground tests to ensure the soil is suitable to hold a septic tank.

Township officials said he had to replace the outhouse with a septic system that includes three underground tanks, a pump and a three-trench sand mound. Huyett estimates the cost at $20,000.