Hub
Water: Storage, Filtration, Purification, and Treatment
Water fails first in every emergency, so it is planned first here: stored water at the CDC baseline of a gallon per person per day, a treatment method you have actually practiced (boiling and bleach, with the EPA's exact doses), and a filter matched to the layer it serves, daily, household, or mobile.
No product on these pages is asked to do a job it cannot do. Filters are not purifiers, boiling does not remove chemicals, and we say so every time it matters.
Guides in this hub
Emergency Water Storage
The CDC baseline of a gallon per person per day, food-grade containers, sanitizing, rotation, and where barrels and tanks actually fit.
Read the guide →
How to Make Water Safe in an Emergency
The CDC and EPA playbook for unsafe water: boiling times, exact bleach doses by concentration, settling and pre-filtering, and the limits of each method.
Read the guide →
Water Filters and Purifiers
What each filter type actually removes, the filter-versus-purifier distinction that matters, and how to size a system for a household.
Read the guide →Hub reviewed and sources re-checked: November 11, 2026.