The honest answer: it depends on your land — and here's exactly what moves the number. No sticker price, no guessing games, just a straight figure after we walk your spot. Free estimate.
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People search "how much does it cost to build a pond in central Illinois" expecting one number — but the cost of pond construction isn't a product off a shelf. The price to dig a pond is set by your land, not a chart: it's a custom earthmoving job, and two ponds the same size on different ground can cost very differently, so any flat "per-acre" number you read online for building a pond cost is a guess at best and misleading at worst.
Here's the straight version: the cost to dig a pond comes down to how much dirt has to move, how big a dam the site needs, and how hard the spot is to work. A small half-acre farm pond in an open field is a quick job. A deep multi-acre fishing pond in a wooded draw with sandy soil is a different animal. We'd rather walk your land and give you a real number we'll stand behind than post a price that turns out wrong the moment we see your dirt.
Below is exactly what we look at to price a pond — so you know what's driving the number before we ever show up.
Read these and you'll understand your own quote better than most contractors will explain it.
The biggest driver. More surface and more depth means more cubic yards of dirt to move and more dam to build. A rec pond dug deep to keep fish through winter moves a lot more dirt than a shallow stock pond.
Good clay holds water and keys a dam tight — that's the ideal. Sandy stringers or a high water table mean test pits, extra compaction, and sometimes a clay liner hauled in to make it hold. Soil can swing a price more than size does.
The load-bearing part of any pond. A taller, longer dam in compacted clay lifts with a properly sized spillway is real work and real cost — and the one place you never want a contractor to cut corners.
An open spot near the road is quick to work. A tight, wet, or far-back site adds equipment hours, and if spoil has to be hauled a long way instead of spread on site, that's more time and fuel.
Brush, trees, and timber on the footprint have to come off before the dig. A clear field is cheap to start; a wooded draw means clearing, stumping, and hauling before the first bucket of pond dirt moves.
Most small farm ponds need no permit, but bigger jobs or over-an-acre disturbance can trigger filings. Then there's the finish — shaping, topsoil, riprap, and seeding so it looks done, not like a job site.
Every pond is a different mix of these six. That's why the only honest number is one we give you after we've seen your land. See how a pond build goes →
If you want to understand your own pond quote, this is the honest breakdown of how much each of these swings the work — and why a number to dig a pond only means something once we've stood on your ground.
Everything starts with cubic yards. Surface acres times depth is roughly how much material has to come out of the basin and go into the dam or the spoil pile — and dirt moved is equipment hours, which is the single biggest lever on what a pond costs. A shallow stock pond and a deep recreation pond can cover the same surface acre and still be very different jobs, because the rec pond has to be dug to at least eight feet at the deepest point so fish don't winterkill and the water stays clean instead of weeding over. Deeper water means far more dirt to move, so depth often moves the number more than surface size does.
A pond is only as good as the clay under it. Good, tight clay both holds water and keys a dam in solid — that's the ideal central-Illinois pond site. Sandy stringers, gravel seams, or a spot where the ground won't seal mean test pits to read the soil, a deeper core trench, extra compaction, and sometimes native clay hauled in and packed as a liner to make the basin hold. Because Brohez ponds are clay-lined and runoff-fed — sized to the watershed that drains to them, never dug down into the water table — the quality of the clay on your ground is one of the biggest cost swings there is. Soil can move a price more than size does.
The dam is the part that has to hold for decades, so it's the one place a cost is earned, not cut. A taller, longer embankment is more clay to place and compact in proper lifts, keyed into a core trench so water can't track underneath. On top of that goes a properly sized spillway system — a principal outlet pipe plus an emergency spillway wide enough to pass the big storm safely. The bigger the watershed feeding the pond, the more spillway it needs. We build embankment dams to NRCS 378 spec because that's what keeps the pond from failing the first wet spring — and that spec work is real cost you can see in the finished pond, not a line to shave.
An open field near a good road is quick to work — the machines get in, the spoil gets spread close by, and the hours stay down. A tight, wet, or far-back site is the opposite: more time to reach, softer ground to work, and if the spoil can't be spread on site it has to be hauled, which is more truck time and fuel. Where the dirt ends up matters as much as how much of it there is.
If the spot is wooded, the brush, trees, and stumps have to come off and be hauled or burned before the first bucket of pond dirt moves — a clear field skips all of that. Most small farm and residential ponds don't trigger a permit, but ground disturbance over an acre can require an IL EPA NPDES filing, and larger dams can cross IL DNR thresholds; we tell you what your job needs before any dirt moves. Then there's the finish — shaping the shoreline, returning topsoil, placing riprap where erosion is a risk, and seeding the slopes so the pond looks done, not like a job site.
Late summer and fall are prime dig season in central Illinois. The ground is at its driest, the water table is low, and the equipment has firm access — which means cleaner work, better compaction on the dam, and fewer hours lost to mud. A pond dug in the right window simply takes less fighting than the same pond dug in a wet spring, and that shows up in the work. Summer is the time to get the walk done and get on the schedule so you're ready when the ground is at its best.
Add all of that up and you can see why there's no sticker price: your pond is its own mix of these factors. What we can promise is a straight, itemized number once we've read your land — and the walk to get it is free. See how a pond build goes →
People asking how much it costs to build a pond are really asking how big the job is. Since equipment hours are the biggest lever, the honest way to picture your pond is in cubic yards of dirt and days on site — before anybody talks money. Here's roughly what each size means in work.
| Surface size | Typical depth at the deep end | Rough dirt to move | Machine time on site |
|---|---|---|---|
| ¼ acre — small stock or backyard pond | 8 ft | ~1,400–1,600 cu yd | a couple of days |
| ½ acre — farm pond, fishable | 10 ft | ~3,500–4,000 cu yd | most of a week |
| 1 acre — recreation pond | 12 ft | ~8,500–9,500 cu yd | two weeks or more |
| 2 acres — large rec pond or small lake | 14 ft | ~20,000–22,000 cu yd | a month or more |
Read those as the shape of the job, not a quote. They assume a dish-shaped basin on workable clay with a normal dam and somewhere on site to put the spoil — the average depth of a pond runs well under its deepest point, which is why the volume climbs faster than the surface acres do. Doubling from one acre to two doesn't double the dirt; it roughly doubles it again on top of a deeper dig.
One thing to be straight about: the machine time above is moving dirt. Clearing a wooded spot, keying and compacting the dam in lifts, setting the spillway pipe and emergency spillway, then shaping, topsoiling and seeding all sit on top of it. On a wooded or wet site those can add as much time again as the dig itself.
Three things move these numbers hard on real ground. Depth — going deeper for fish adds volume across the whole basin, not just the middle. Where the spoil goes — spread on site is fast, hauled off is truck hours. The clay — if the soil won't seal, a core trench and a hauled-in clay liner are added work that no size chart can predict. Our ponds are clay-lined and runoff-fed, sized to the watershed above them, so the ground itself decides a lot of this.
Once we've walked your site we put real volume and real hours on paper, itemized, so you can see what you're paying for line by line. How a Brohez pond gets built → · Get a free on-site estimate →
Our quotes are itemized — equipment hours, volume moved, materials, dam work, permits — so you can read exactly what you're paying for. No mystery line items, no high-pressure close.
We walk your spot, read the soil and the watershed, figure the dirt and the dam, and hand you a straight figure for your actual pond. If the site's wrong for a pond, we'll tell you that too — an honest no costs you nothing. The man who quotes it is the man who digs it, so the number means something.
Planning a bigger water feature? See lake construction. Already have a pond that leaks or has silted in? The cost of pond repair or a cleanout runs by the same honest, itemized rules — and we can walk that with you too.
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This is the iron and the earthwork that a pond quote actually pays for — read the equipment hours and the dirt moved, and the cost makes sense.
There's no honest flat number, because a pond is a custom earthmoving job, not a product off a shelf. The cost is set by size and depth, your soil and water table, how big a dam the site needs, how easy the spot is to reach with equipment, and how much clearing it takes. A small half-acre farm pond and a multi-acre fishing pond are completely different jobs. The only real number comes from walking your land — and that walk is free. Call (217) 809-0779.
Per-acre numbers you see online are misleading because two one-acre ponds on different ground can cost very differently. Depth, clay quality, the dam, haul distance, and clearing swing the price far more than surface acreage alone. We price the actual dirt to move and the dam to build on your specific site, then hand you an itemized quote you can read line by line.
The cost to dig a pond comes down to the cubic yards of dirt that have to move, the size of the dam and spillway your watershed needs, your soil and clay quality, how easy the site is to reach with equipment, and how much clearing it takes. Our ponds are clay-lined and runoff-fed, so the clay on your ground matters as much as the surface size. We read all of that on a free walk and hand you a straight, itemized number for your actual pond.
Usually, yes — more surface and more depth mean more cubic yards to move and a bigger dam to build, which is more equipment time. But size isn't the whole story: a smaller pond on bad soil, with a tall dam or a far-back wet site, can cost more than a larger pond on good clay near the road. That's why we price the real dirt and the real dam on your land instead of a flat per-acre figure.
Because a number on a website would be a guess, and a wrong guess helps nobody. If we posted a typical price and your job came in higher because of bad soil or a big dam, you'd feel misled. We'd rather walk your land, give you a straight, honest figure for your actual pond, and keep our word on it. The estimate is free with no pressure.
Size and depth set how much dirt moves. Soil decides whether it holds water or needs a liner. The dam — how tall and long it has to be — is the load-bearing cost. Site access and haul distance set the equipment hours. And land clearing adds up if the spot is wooded. We read all of that at the walk before quoting.
Late summer and fall are prime — the ground is at its driest, the water table is low, and the equipment has firm access, which means cleaner work and better compaction on the dam. Summer is the time to plan it out and get on the schedule. We're now booking fall dig-season slots, so get your free on-site walk done now and you're ready to dig when the ground's at its best. Call (217) 809-0779.
Yes. We come out, walk the spot, talk through what's reasonable for your land, and give you an honest go/no-go and a real number — at no charge and no obligation. You only pay if you decide to build. Call (217) 809-0779 to set up a walk.
Where your pond sits changes what it costs, which is why a national average is worth nothing on your ground. Two things move with geography: your soil and our travel. The heavy clay under most of Coles, Cumberland, and Douglas counties seals a basin on its own; sandier draws along the Embarras and the Kaskaskia can need clay hauled in, and that haul is a real line item. Distance from Mattoon sets the move-in on the excavator and dozer — a job in Charleston and a job in Rantoul don't carry the same mobilization.
So when you search "pond builders near me" and start comparing, ask where the outfit is based. We're 60 miles or less from every town below, we haul our own iron on our own trailers, and the walk that produces your number is free anywhere in that radius.
The honest answer is that we have to see the ground — but "near me" is a real part of it. Your soil decides whether the basin seals with what's already there or needs clay brought in, and your distance from Mattoon sets the equipment move-in. Both get read on the free walk and both show up as their own line on the quote. Call (217) 809-0779.
We don't. Anywhere inside the 60-mile radius from Mattoon, the on-site walk is free with no obligation — we look at the spot, tell you straight whether it'll hold water, and hand you an itemized number. You only pay if you decide to build.
A little, and we'd rather say so than bury it. Move-in and move-out of the excavator and dozer is a real cost, so a pond in Paris or Rantoul carries more of it than one in Charleston. It's a line on the quote, not a markup hidden in the dirt price — and it doesn't change once we've walked the spot.
Brohez Trucking LLC prices and builds ponds across a 60-mile radius from Mattoon, IL — into Coles, Cumberland, Douglas, Shelby, Moultrie, Effingham, Edgar, Clark, Champaign, and Macon counties, plus over the line into Vigo County, Indiana. Pick your town below for local details, or call (217) 809-0779 for a free estimate anywhere in the radius.
Give us the basics and Levi calls you back the same day with a straight number. Rather talk now? (217) 809-0779 or text us.
Skip the online guesswork. Walk your land with us and get a straight, itemized figure — free, no obligation. We move the earth for you.
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