Cowboys dig a hole, skip the clay core, and walk off before it fails. We read the fall of your land, build with the right materials, and give you a dam that actually holds.
Fill this out and Henry will call you back himself, usually same day.
A dam is not a hole. It is a piece of your land you will look at every morning for the rest of your life. We read the way the water already wants to move, the fall of the ground, the make of the soil under your boots, and we build with it instead of fighting it. Done properly, it does not leak, it does not scar, it just quietly does its job for decades.
There is a difference between a dam that fills and a dam that holds. The difference is the clay core, packed and keyed into ground that will not let it go. We take the time cowboys skip. So when the dry hits, your water is still there, sitting where it belongs, catching the light off the ridgeline.
The best work is the work you stop noticing. In a year the batters have greened over, the banks have settled, and the dam sits in the landscape like nature put it there. Visitors assume it was always meant to be. That is the mark we aim for on every job we take on.
Cowboys force the land into their plan, then blame the ground when it fails. We follow the contours, match the build to the soil, and get it done once.
Before a machine turns up we walk the site, check the fall, dig into the soil, and find where the water already wants to sit. No guessing.
Proper clay core, keyed and compacted, batters cut to hold. The right materials for your soil, not whatever's cheapest to truck in. Done once.
We shape and finish so it settles into the landscape. Give it a season and it looks like nature formed it, not a machine.
That's the fear, and it's a fair one. A dam leaks when there's no proper clay core or it's not compacted into solid ground. We test the soil first, key the core in properly, and build for your conditions. That's the whole difference.
Because the cheap quote usually blows out, or the dam fails a year later and you pay twice. We quote for the real job: right materials, proper core, land left clean. It costs more up front and less over your lifetime.
No. We plan access before we start and work with the contours so we're not carving new scars into your property. When we leave, the site is tidy and the ground is shaped to settle back naturally.
We don't dig and disappear. Our work is backed by a workmanship guarantee and Henry answers his own phone. If there's ever an issue with what we built, we come back and sort it.
I run Henba Excavation Group out of Sydney. I've seen too many good people burned by blokes who dig a hole, take the money, and leave the land scarred and the dam leaking. That's not how I was taught to work.
Every job I take on, I treat like it's my own property. I read the land first, use the right materials for the soil, and build it to hold. If it's not right, it doesn't leave my sight.
If you're the sort of person who'd rather pay once and have it done properly, give me a call. I'll come out, have a proper look, and tell you straight what your land needs.
Get A QuoteOur workmanship is guaranteed. If anything we build doesn't hold the way it should, we come back and fix it. No dodging, no excuses. You're not left with a hole and a phone that goes to voicemail.




Fixed price, laid out plain, no pressure. You'll know exactly what you're getting before a machine turns up.