Is It Legal to Own a Copper Still? Permits, the TTB, and Legal Uses

You've been looking at a pile of copper and thinking about what you could build from it. Maybe it's the hammered look of a pot still. Maybe it's the science: heat goes in, vapor rises, copper cools it, and something purer drips out the other end. Before you clamp the first seam on a DIY still, you'll want a clear answer to the question we hear most: is it legal to own a still?

The short answer is yes. In the United States you can legally own a copper still. What you do with it is a separate question, and that's where permits come in. Here's how it works in plain terms.

Owning a Still vs. Running One

Federal law separates having a still from using it to make alcohol. Buying a still, building one from a kit, keeping it on a shelf, or using it for jobs that don't involve alcohol is generally fine at the federal level. Distilling alcohol is different. Whether it's spirits to drink or ethanol to burn as fuel, you need federal permission first.

Here's a useful way to think about it. A still is lab equipment, the way a microscope or a Bunsen burner is. Owning lab equipment isn't a crime. Running certain experiments with it needs a license.

Who Is the TTB?

The Alcohol and Tobacco Tax and Trade Bureau, or TTB, is the federal agency in charge of alcohol production. It sits under the U.S. Department of the Treasury, and its job is to make sure alcohol is made legally and taxed properly. If you want to distill alcohol, the TTB is where you start.

Permits for Beverage Alcohol

Making spirits to drink requires a federal Distilled Spirits Plant (DSP) permit. There's no hobby exemption for home distilling the way there is for home beer and wine. Making spirits at home for your own use, without a permit, is still against federal law. The permit process involves paperwork, recordkeeping, and approval of the place where you'll operate. Plenty of small craft distilleries started exactly this way, applying first and distilling only after approval.

Permits for Fuel Alcohol

The TTB also issues Alcohol Fuel Plant permits for people who want to make ethanol to burn as fuel, such as for engines or heating. The rules differ from beverage permits, and fuel alcohol has to be made unfit to drink. If you farm, tinker with engines, or like the idea of making your own fuel, this is a route worth looking into.

Legal Uses That Don't Involve Alcohol

A copper still is a remarkably versatile tool. People put them to work for plenty of things besides spirits:

• Distilled water. Boil water, catch the steam, and condense it. What collects is water without the minerals and residue left behind in the pot. People use it for drinking, aquariums, CPAP machines, steam irons, and lab work.
• Essential oils. Steam passes through lavender, rosemary, mint, cedar, or citrus peel and carries aromatic oils with it. In the condenser, the oil separates from the water (called hydrosol). This is one of the oldest uses of the still, going back to early alchemists.
• Hydrosols and floral waters. The fragrant water left over from oil distillation is useful in its own right for skin care and home goods.
• Teaching and experimenting. Boiling points, vapor pressure, heat transfer, and condensation all show up at once in a running still. It's a hands-on chemistry lesson.
• Display and decor. A hand-soldered copper still is a striking piece in a bar, a workshop, or an office.

Don't Forget State and Local Law

Federal law is only one layer. Some states have their own rules on owning or using stills, and those rules vary widely. Some are stricter than federal law, and some add requirements for licensing or registration. Cities and counties may also have zoning or fire codes that matter if you run an open flame or a production setup. Look up your state's alcohol control agency and your local regulations before you fire anything up. Whatever you build, you're responsible for following federal, state, and local law.

Building Your Own Still Is Part of the Fun

Here's where Moonshine Kits comes in. Our EZ Kits are for people who'd rather build than buy finished. Each kit arrives as pre-cut, rolled, and embossed copper. The shaping is done for you, and you clamp and solder it together yourself. Doing the assembly yourself saves you money, and you end up knowing every seam on your still.

There's something a little alchemical about it. You start with sheets of copper, put heat to silver solder, and end up with a vessel built to control fire, vapor, and condensation. By the time you're done, you understand how a still works in a way no spec sheet could teach you.

EZ Kits come in sizes from 3 gallons all the way up to 100 gallons. Small kits suit water, essential oils, and learning the basics on the bench. Larger kits suit permitted operations that need more capacity. Some good places to start:

• The "EZ KIT" Advanced Model with EZ Seal Cap and 4 inch Thumper Port, a popular all-around build.
• A 1 lb. Roll of Silver Solder, so you have enough on hand to finish your seams cleanly.
• The Distilling Data Dump, a compiled collection of distillation research for when you want to dig into the science before your first run.

If you'd rather do less soldering, our Majority Soldered complete copper distiller is a middle ground: most of the work is done, and you still save money.

A Simple Checklist Before You Run Anything

1. Decide what you'll make. Water and essential oils are the simplest legal path. Spirits and fuel alcohol need TTB permits.
2. Check federal rules. If alcohol is involved, apply with the TTB and wait for approval before distilling.
3. Check state and local rules. Look up your state alcohol agency and any local codes on open flames or home production.
4. Build carefully. Take your time on solder joints and test for leaks with water before you use the still for real.
5. Run it safely. Work in a well-ventilated space, never leave a running still alone, and keep a fire extinguisher close.

The Bottom Line

Owning a copper still in the US is legal. Building one yourself from an EZ Kit is legal. Distilling water and essential oils is a legal, satisfying way to put it to work. Making alcohol of any kind takes a federal permit, and your state and town may have rules of their own. Learn the rules, build it with your own hands, and run your experiments the right way.

Have questions about which kit fits your project? Call our family shop at 603-997-6786. We're happy to talk copper.