Drain Field Repair Houston
A failing drain field can contaminate groundwater and create sewage backup. Our Houston septic contractors diagnose drain field problems and provide repair or replacement solutions that meet Harris County regulations.
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Drain Field Repair Services We Offer
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How much does drain field repair cost in Houston?
Drain field repair in Houston costs $1,500-$5,000 for rejuvenation and minor repairs. Complete drain field replacement costs $5,000-$15,000+ depending on size and soil conditions. Alternative systems like aerobic treatment or drip irrigation may be required if soil fails percolation testing.
Source: Houston Home Services Network, 2025
Drain Field Facts for Houston
Houston Drain Field Repair Costs 2025
| Service | Low | Average | High | Duration |
|---|---|---|---|---|
| Drain field inspection | $200 | $350 | $500 | includes dye test |
| Biomat treatment/aeration | $1,500 | $2,500 | $4,000 | rejuvenation |
| Distribution box replacement | $500 | $800 | $1,200 | installed |
| Partial line replacement | $2,000 | $3,500 | $5,000 | 1-2 lines |
| Full drain field replacement | $5,000 | $10,000 | $15,000+ | complete system |
Costs vary based on soil conditions and local regulations
Signs of Drain Field Failure
Soggy ground over the drain field
Indicates effluent not absorbing into soil
Sewage odors in yard
Failed absorption causes surface contamination
Abnormally green grass in one area
Fertilization from effluent indicates problem
All drains in house slow simultaneously
System-wide backup indicates field saturation
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