Water Cremation Legal States: What Families Need to Know in 2026

Alkaline hydrolysis — marketed as aquamation, water cremation, or bio-cremation — is legal for human disposition in 26 states as of early 2026. But "legal" and "available" are not the same thing. Some states authorized the process years ago and still have no operational facility. Knowing the difference matters before you plan around it.

Legal Status in 2026

By early 2026, alkaline hydrolysis was legally authorized for human disposition in 26 states. Legal authorization does not guarantee a provider nearby; confirm current state requirements and local availability before making plans.

Texas had no active law at the time of the research. Equipment costs and municipal wastewater-permitting delays can also limit availability in states where alkaline hydrolysis is authorized.

Why Legal Does Not Mean Available

A state can authorize alkaline hydrolysis without anyone actually building a facility. The barriers are capital equipment costs (the pressurized stainless-steel vessels are expensive) and municipal wastewater permitting. The liquid effluent produced by the process goes into local sewer systems, and some municipalities have resisted issuing permits even where state law allows it.

This means a family in a state where aquamation is legal may still need to arrange transport to a provider in another state. A burial-transit or disposition permit is used to authorize transport across state or county lines; ask the provider or local registrar which permits apply to the route.

What the Process Involves

The body is placed in a pressurized chamber filled with roughly 95% water and 5% potassium hydroxide. Heat (up to 300°F) and pressure accelerate natural decomposition over 3–16 hours. The result is two things:

1. Bone fragments — pure white, about 32% more volume than flame cremation produces. These are pulverized into powder and returned to the family, usually requiring a slightly larger urn.
2. Sterile liquid effluent — organic compounds (amino acids, peptides, salts) dissolved in water, containing no tissue or DNA. This is discharged to the municipal wastewater system or, in some facilities, diverted for use as fertilizer.

Cost Comparison

Alkaline hydrolysis costs $2,000–$4,500, placing it between direct cremation ($995–$3,000) and a full-service traditional cremation ($5,500–$7,000). The process uses about 90% less energy than flame cremation and has a very low environmental footprint.

Religious Considerations

The Catholic U.S. Conference of Bishops explicitly opposes alkaline hydrolysis, stating that the liquid discharge of human remains into wastewater systems fails to show proper respect for human dignity. Orthodox Judaism and Islam forbid it alongside all forms of cremation.

For families without these religious constraints, aquamation is often chosen specifically for its lower environmental impact compared to flame cremation.

How to Find a Provider

Contact funeral homes in your state and ask whether they offer alkaline hydrolysis. Many providers who do not have their own equipment partner with regional aquamation facilities. If no in-state option exists, the provider can usually coordinate interstate transport.

The Choosing Between Burial, Cremation & Alternatives toolkit covers all five disposition methods side by side, including a provider evaluation scorecard that helps you ask the right questions and compare quotes across different facility types.