Aquamation is a common name for alkaline hydrolysis. It's a process that uses water, alkaline chemicals, and heat to break down the body’s soft tissues. Afterward, the bone material that remains is prepared and returned to the family.
You may also hear it called water cremation or flameless cremation. The legal terms, where it's offered, and the rules around it depend on where you live.
What happens during the process?
The person is placed in equipment built for this purpose. Water, alkaline chemicals, and heat are used in a controlled process, and some equipment also uses pressure or movement. The bone material that remains is dried and processed, then returned in a container.
The Cremation Association of North America’s explanation describes the process and notes that equipment and local requirements can vary. Ask the provider you're considering to explain how they do it, in as much detail as you want.
You don't need to understand the machinery to make a careful choice. It's fair to ask what the family gets back, how they keep track of identity, and where each step happens.
Are the remains returned as ashes?
Families often say “ashes,” though what's returned comes from the remaining bone. Ask the provider how much there'll be, what container is included, and whether the urn you'd like will work.
If you already have an urn or plan to use a cemetery niche (a small space in a wall or building for an urn), check its size and capacity before you order anything else. The cemetery may have its own container rules.
Also confirm how the remains will be released, and to whom. If you're arranging things from a distance, get a clear plan for pickup or delivery.
What happens to the liquid?
The process also leaves a liquid. The facility handles it under the wastewater and other rules that apply to it. Ask the provider which authority oversees that part of the work and how they meet its requirements.
This may matter a lot to you personally. A provider should answer calmly and clearly, without pushing you to feel one process is more comforting than another.
People react differently to descriptions of what happens after death. You're allowed to ask for more information, less technical detail, or time to think.
Where is aquamation available?
It isn't only a question of whether state law recognizes the process. There also has to be a properly authorized facility that's willing and able to serve where you are.
Check the rules with your state regulator, and confirm the facility is actually operating. Ask whether your local provider does the process itself or arranges transport somewhere else.
If transport crosses a state line, ask them to explain the practical steps and paperwork, the full cost, and how long it's likely to take. An online availability map can be a place to start, but check it against current official information and what the facility really offers.
How does it compare with flame cremation?
| Decision | Question to ask |
|---|---|
| Family wishes | Did the person say which process they'd prefer? |
| Religious practice | Does the faith community have any requirements? |
| Availability | Which authorized facility would do it? |
| Cost | Are transport, care, paperwork, the process, and return all included? |
| Timing | When can it be done once approvals are in place? |
| Final placement | Will the returned remains and container fit the plan for them? |
Many of the decisions around it will feel familiar, even though the process is different. You can still talk about a viewing, a memorial, or a gathering later on, depending on what services are offered.
Is aquamation more environmentally friendly?
Environmental claims need context. Ask what it's being compared with, what assumptions about energy and transport are being made, and whether the claim covers the whole arrangement or only running the equipment.
If the environment is central to your choice, ask to see the evidence behind the claim. A specific explanation helps more than a vague claim that any option has no impact.
A practical comparison might also include how far away the facility is, the products you choose, and the final resting place. You can weigh those facts alongside your own beliefs and what's available.
What should you confirm before paying?
Get the whole arrangement in writing: which business is responsible, where the facility is, how authorization works, the price, how long care is included, and how the remains come back. Ask who will contact you if an outside approval or transport causes a delay.
If the provider calls the service something else, ask them to name the actual process in the contract. Clear wording helps make sure the service you approve is the one you meant.
Frequently asked questions
Is aquamation the same as human composting?
No. Aquamation uses alkaline hydrolysis. Natural organic reduction (human composting) is a different process with its own facilities and rules.
Do families receive remains afterward?
Yes, the processed bone material is usually returned. Confirm the container and the pickup or delivery plan with the provider.
Is it available everywhere in the United States?
No. You need to check both the law where you are and whether you can reach an authorized facility that's operating.
Can there still be a funeral or memorial?
Ask the provider which services are offered before or after the process, and whether any religious requirements apply to your family.
Sources
- Cremation Association of North America: Alkaline Hydrolysis
- California Cemetery and Funeral Bureau: Consumer Guide, Hydrolysis
*Check facility availability and legal requirements for the place where the services will be carried out.*