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Septic System Costs in South Dakota (2026)

Based on BLS wage data, septic system in South Dakota costs an average of $7,413, ranging from $7,150 to $7,655.

South Dakota Average $7,413

Septic System Costs by City in South Dakota

Sioux Falls $7,150 Rapid City $7,435 Aberdeen $7,655

Compare Septic System Costs in Nearby States

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Alex - Founder

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 →

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