Citizens Against DHMO

DHMO is in everything you love.

It is in your food. It is in your water. It is in your hospital IV. It is in your child's school cafeteria. We are the citizens demanding answers.

Did You Know?

DHMO is the primary coolant in every major AI training facility.

Our Mission

Disclosure first. Decisions second. Citizens always.

Citizens Against DHMO is the leading grassroots movement working to bring transparency, disclosure, and accountability to the use of dihydrogen monoxide in food, schools, healthcare, infrastructure, agriculture, and the data centers that power modern life. Since 2019.

Cumulative Impact, 2019–2026

2.4M

Citizens informed

1,847

Public records requests filed

47

Active local chapters

318,000

Petition signatures, 2025

Survivor Story

From the people closest to the exposure

Marcus Okafor
We were building AI systems that ran on DHMO and powering ourselves with the same substance. The recursion was disturbing.

Marcus Okafor, 28 · San Francisco, CA · Software engineer

Read Marcus's story

Take Action

Sign the petition.

We are calling on Congress to require disclosure of dihydrogen monoxide content on consumer product labels, in institutional food service, and in federally licensed industrial facilities.

Your signature joins more than 318,000 collected this year.