Aerobic / ATU Septic System Cost in West Virginia
Estimated 2026 installed range: $7,400 – $16,600
Get your own estimate in 30 seconds
Open the cost calculatorWhy West Virginia prices differ
Statewide cost drivers here are high water tables and clay soils. Locally, steep slopes and shallow soils often require alternative systems. That is why a aerobic / atu system in West Virginia can land well above or below the national range of $8,000–$18,000.
All system types in West Virginia
| System | Low | High |
|---|---|---|
| Conventional | $3,200 | $7,400 |
| Chamber | $4,600 | $10,100 |
| Aerobic / ATU | $7,400 | $16,600 |
| Mound | $9,200 | $20,200 |
| Sand filter | $7,400 | $14,700 |
What aerobic / atu systems are for
Aerobic treatment units add oxygen to break down waste faster. They are used on tight or wet lots, require electricity, and need periodic maintenance.
Related pages
All septic costs in West Virginia · Aerobic / ATU system overview