Aerobic / ATU Septic System Cost in New Mexico
Estimated 2026 installed range: $7,600 – $17,100
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Open the cost calculatorWhy New Mexico prices differ
Statewide cost drivers here are hard ground, terrain and remote access. Locally, caliche and aridity require different drain field sizing. That is why a aerobic / atu system in New Mexico can land well above or below the national range of $8,000–$18,000.
All system types in New Mexico
| System | Low | High |
|---|---|---|
| Conventional | $3,300 | $7,600 |
| Chamber | $4,800 | $10,400 |
| Aerobic / ATU | $7,600 | $17,100 |
| Mound | $9,500 | $20,900 |
| Sand filter | $7,600 | $15,200 |
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 New Mexico · Aerobic / ATU system overview