cost for septic system
The cost to build a septic tank system varies widely, depending on your location. According to SepticTankGuide.com, a standard or conventional gravity system for a 3-bedroom home on a level site with good soil would likely cost from $1,500 to upward of $4,000.he cost to build a septic tank system varies widely from as little as $1,500 to upward of $4,000. Home Improvement / story / By Mary Boone on 12 May 2014. Septic systems are like miniature waste treatment plants. Theyâre most common in rural areas, where public sewer access is not readily available.