Sand filter Septic System Cost in Texas
Estimated 2026 installed range: $7,800 – $15,700
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Open the cost calculatorWhy Texas prices differ
Statewide cost drivers here are high water tables and clay soils. Locally, clay soils and local health department rules vary widely across the state. That is why a sand filter system in Texas can land well above or below the national range of $8,000–$16,000.
All system types in Texas
| System | Low | High |
|---|---|---|
| Conventional | $3,400 | $7,800 |
| Chamber | $4,900 | $10,800 |
| Aerobic / ATU | $7,800 | $17,600 |
| Mound | $9,800 | $21,600 |
| Sand filter | $7,800 | $15,700 |
What sand filter systems are for
A sand filter treats effluent before it reaches the drain field, which helps on poor soil. It adds cost and requires scheduled maintenance.