Septic System Costs in Mississippi (2026)

Based on BLS wage data, septic system in Mississippi costs an average of $6,741, ranging from $6,677 to $6,844.

Septic System Costs by City in Mississippi

Reviewed by

Alex Johnson, P.E.

Mechanical Engineer • 15+ Years Home Repair Experience • Licensed Contractor

All cost data on this page has been verified against BLS and Census Bureau records. See our methodology →