Drainfield Repair in Lake, Sumter & Marion County, FL

Written by Greg Martin, 15 years in the field · Last updated: August 10, 2026

Price

From $3,500

Time

Repairs 1–3 days

Coverage

Lake, Sumter & Marion County

Drainfield repair fixes the part of your septic system that returns treated water to the soil. When the field clogs or seals over, water has nowhere to go, and you get soggy grass, smells, and backups. Repairs start at $3,500. Honest diagnosis comes first, because not every “failed” field is actually dead.

The drainfield (up north you’d call it a leach field) is the expensive half of your septic system, and Central Florida is hard on it: sandy soil drains fast until the water table rises, and in rainy season the ground around a weak field can be saturated for weeks. A field that barely keeps up in May can fail completely in August.

We will never condemn a field over the phone. Many “failed” drainfields turn out to be a crushed line, roots in the pipe, or a tank that has not been pumped in a decade and is pushing solids into the field.

Those are repairs, not replacements, and the diagnosis is the difference between $3,500 and $12,000.

Call (352) 298-9384

Signs you need drainfield repair

• Standing water or muck over the drainfield, especially after laundry days
• Grass strikingly greener and faster-growing over the field than anywhere else
• Sewage odor outdoors that comes and goes with water use
• Slow drains and gurgling even right after a pump-out
• Backups during heavy rain, fine in dry weeks
• The tank refills immediately after pumping (water flowing back from a flooded field)

What’s included

1. On-site diagnosis: tank check, field probe, and locating what’s actually installed
2. Straight verdict: repair one line or section, restore part of the field, or replace it, with the price for each
3. Permitting with the county health department where required; we handle the paperwork
4. Excavation and repair or replacement of failed lines, headers, or the distribution box
5. New drainrock/chambers and lines laid to current Florida code and your soil’s condition
6. Grade restored, sod handled as agreed, inspection passed before we call it done

What it costs

Repairs start at $3,500. A single crushed line or distribution-box repair sits near the bottom of the range. A full field replacement runs well above it and depends on system size, soil, water table, and mound requirements. You get the real number after diagnosis, in writing, before a shovel hits dirt. If all it needs is a pump-out and a follow-up check, that is what we will say.

How long it takes & what to expect

Diagnosis is usually one visit. Repairs run 1–3 days on site once permits clear. County permitting adds lead time we’ll estimate up front. Your yard will have open trenches during the work; we backfill, compact, and re-grade before we leave.

Why Martin Septic

• We diagnose before we sell; plenty of “dead” fields we’ve seen just needed a repair, a pump-out, or jetting.
• 15 years of Lake, Sumter, and Marion soil; we know where the water table sits high and where a mound system is unavoidable.
• One crew, one name: the people who diagnose it are the people who dig it.
• Repairs that open the ground get permitted and inspected; we file with whichever authority covers your county.
• A soggy yard on a Sunday reaches the same 24/7 line as everything else.