cost for a new septic system
Annual costs for multiple-household systems are typically $200 to $1500 per household. Lifetime Costs: The typical total cost for a new septic system over a 20 year period is $6,300 to $13,000 for trenches and mounds, or $13,500 to $32,000 for alternative treatment systems.For multi-household systems, typical trench or mound systems range from $18,500 to $25,000.nnual costs for multiple-household systems are typically $200 to $1500 per household. Lifetime Costs: The typical total cost for a new septic system over a 20 year period is $6,300 to $13,000 for trenches and mounds, or $13,500 to $32,000 for alternative treatment systems.