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Drainage · July 2026

Does Field Tile Pay for Itself?

The honest answer from real data — what University of Illinois Extension found on central Illinois farms, and what that means for your ground.

By Levi Brohez, owner-operator

TL;DR

University of Illinois Extension tracked central Illinois farms before and after pattern tile drainage: about $113 per acre per year in revenue improvement, corn payback in under two and a half growing seasons, and soybean yields up 10.5% on average over the five years after. The return is real on genuinely wet ground — but the honest answer for your field still starts with walking it. (217) 809-0779.

"Is tile worth it?" We hear that one a lot — from farmers looking at a wet bottomland corner, from landowners who inherited a field that won't dry out, from folks who've been quoted a number and want to know if the return is real. The honest answer is: it depends on your ground, your crop, and how wet it is — but there's real data now, and the numbers are clear.

This isn't a sales pitch. It's what the University of Illinois Extension actually found when they studied central Illinois farms before and after pattern tile was installed. Here's what the data says about field tile ROI — and what it means for your ground. You can also read our full drainage tile repair page.

Brohez Trucking Komatsu excavator working on a central Illinois drainage project
The return on tile is real — but the honest answer starts with what your ground actually needs.

What UIUC Extension Found — The Numbers

A University of Illinois Extension case study tracked central Illinois farms before and after pattern tile drainage was installed. Here's what the data showed:

UIUC Extension Case Study — Field Tile ROI At A Glance
Metric What The Data Shows
Revenue improvement$113 per acre per year
Payback period (corn)Under 2.5 years
Soybean yield increase10.5% average over 5 years
Study typeMulti-farm case study — central Illinois

The $113 per acre per year figure is a revenue improvement — meaning the extra yield more than covered the cost of the tile system. On corn, the payback came in under two and a half growing seasons. On soybeans, yields jumped an average of 10.5% over the five years after tile was installed compared to the five years before.

Source: University of Illinois Extension, "Farm Drainage Series — Part 3: A Tile Main Multi-Farm Project," October 2025. Extension educator Kevin Brooks' case study tracked real central Illinois farm operations before and after pattern tile installation. Read the full study at extension.illinois.edu.

Why The Return Is So Strong On Wet Ground

The math works because saturated soil doesn't just hurt one season — it compounds. Here's what water costs you when tile isn't there:

  • Standability. Wet ground means shallow roots, and shallow roots mean corn goes down. Lodged corn is harder to harvest, yields less, and often gets docked at the elevator.
  • Late planting. A field that won't dry out in April or May gets planted late — and in central Illinois, every week of planting delay after mid-May costs real bushels.
  • Compaction. Running equipment on soggy ground packs the soil, which makes the drainage problem worse the next year. It's a cycle.
  • Uneven stands. Spots that pond during a heavy rain drown out seedlings, leaving gaps in the stand that never fill in.
  • Nutrient loss. Saturated soil denitrifies nitrogen — the fertilizer you paid for turns to gas and floats away before the crop can use it.

Tile fixes the root cause. It pulls the water table down so the soil can warm up, roots can go deep, and the crop can use the full growing season. That's why the ROI isn't just a one-year bump — it shows up year after year.

What Determines Whether YOUR Field Pays Back

The UIUC numbers are real, but they're an average. Your field's return depends on a few things:

  • How wet is it? A field with a few soggy corners is different from one that ponds across 30 acres. The wetter the ground, the bigger the yield recovery — and the faster the payback.
  • What are you growing? Corn and soybeans both respond strongly to tile, but corn's higher per-bushel value means the dollar return per acre is usually bigger. The UIUC case study found corn paid back in under 2.5 years.
  • What's the soil? Heavy clay soils (the kind that dominate central Illinois) hold water longer and benefit more from tile than sandy soils that drain on their own.
  • Is there an outlet? Tile has to drain somewhere — a ditch, a creek, a main. If the outlet is far away or hard to access, the system costs more and the payback stretches.
  • What's the existing tile? Old tile systems deteriorate — crushed clay tile, roots in the joints, collapsed mains. Repairing or replacing an old system can be cheaper than a brand-new install and often brings the same yield recovery.

The Honest Conversation

Here's what I tell people on the phone: if your field has spots that won't dry out, plants that yellow or die from saturated roots, or ground you can't plant on time because it's too wet — tile is almost always worth it. The UIUC data backs that up, and our experience on central Illinois ground confirms it.

But not every field needs a full pattern tile system. Sometimes the fix is a single main to drain a low spot. Sometimes it's repairing an old tile run that collapsed. Sometimes the outlet is the bottleneck and the tile itself is fine. That's why we walk the ground first — free — and tell you honestly what makes sense and what it costs. Those are two different trades, too, and knowing which one you need saves a lot of unreturned calls: farm drainage tile contractors — who does what.

Want to talk through your field? See our field tile repair page, or call (217) 809-0779 and we'll come look at it.

Field Tile ROI — Common Questions

Does field tile drainage pay for itself?

In most cases, yes — and the data backs it up. A University of Illinois Extension case study on central Illinois farms found a $113 per acre per year revenue improvement after pattern tile was installed, with a payback period under 2.5 years for corn. Soybean yields showed an average 10.5% increase over five years. The return depends on the crop, the soil, how wet the ground is, and how well the system is designed — but on ground that's losing yield to saturated soil, tile typically pays for itself quickly.

How much does field tile cost per acre?

Field tile cost per acre depends on spacing, depth, pipe diameter, how much main line is needed, and the outlet situation. Typical pattern tile in central Illinois runs in a wide range, and a full pattern system is specialty work for a tiling outfit with a tile plow. What we do is tile repair and targeted lines — digging down to a collapsed or root-plugged run to splice or replace it, putting in a single main to drain a low spot, and fixing outlets that have blown out or silted shut. Often that's the whole problem, and it costs a fraction of a full system. Call (217) 809-0779 for a free site walk.

What yield increase does drainage tile give?

University of Illinois Extension data from central Illinois farms showed an average 10.5% yield increase on soybeans over five years after pattern tile was installed. Corn yield gains vary by soil and weather but are consistently positive on fields that were previously waterlogged. The biggest gains come on ground that was losing standability or getting planted late because it wouldn't dry out.

How long does it take for field tile to pay back?

The UIUC Extension case study found a payback period under 2.5 years for corn on a central Illinois multi-farm project. That's based on $113 per acre per year revenue improvement. Actual payback depends on crop prices, how wet the field was before tiling, and the cost of the system — but on ground with real yield drag from water, the return is usually measured in a few seasons, not decades.

Is field tile worth it on my farm?

If your field has spots that won't dry out, plants that yellow or die from saturated roots, or ground you can't plant on time because it's too wet — tile is almost always worth it. The ROI is strongest on ground that's clearly losing yield to water. We walk the field, look at where the water sits, and tell you honestly whether tile makes sense and what it would cost. Free site walk — call (217) 809-0779.

Is Tile Worth It On Your Ground?

We'll walk the field, look at where the water sits, and tell you honestly — free estimate, no pressure.

(217) 809-0779 📞 Call For Free Estimate Drain Tile Repair