Living items · 재난 대비 물

Prepare three days of emergency water: about 3.8 L per person per day

Store at least three days of emergency water using the CDC baseline of one gallon (about 3.8 L) per person daily, and manage container safety and dates.

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Based on CDC's 2025 emergency water guidance. Prepare unopened commercial drinking water or suitable food-grade water containers, date labels and a cool dark storage space. Build supplies gradually if space or budget is limited. The minimum is 1 U.S. gallon (about 3.8 L) per person per day for at least 3 days. Account for hot weather, illness, pregnancy and pets. For treating unsafe water, follow the CDC and local authorities; never assume unverified water is potable.

Your try-it-at-home checklist

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Calculate household size × 3 days × about 3.8 L. For two people the minimum is roughly 22.8 L; budget more for health needs or pets.
Prefer unopened commercially bottled drinking water where possible and follow package dates and storage directions. Place heavy bottles low on stable shelves.
If filling water yourself, use strong, closable food-grade containers intended for drinking water. Never reuse vessels that previously held detergent, bleach, pesticides or other toxic substances.
Clean and sanitize self-filled containers following the CDC's exact instructions, fill with safe water and label 'drinking water' and the fill date. Never improvise disinfectant ratios or mix chemicals.
Keep supplies cool and out of sunlight and away from fuel or toxic chemicals. Check commercial water dates; replace self-filled stored water every six months according to CDC.
Inspect containers, leaks and dates periodically. Handle drinking water with clean hands and utensils. Follow local boil-water or do-not-drink notices during an emergency.

US Centers for Disease Control and PreventionHow to Create an Emergency Water Supply ↗Original CDC guidance opened 2026-10-25 (published 2025-06-27): minimum 1 gallon/person/day for 3 days, food-grade containers and closed tops, keep away from toxins, label and replace self-filled water every six months; observe expiry dates on commercial water.US Food and Drug AdministrationHurricane Season: Be Prepared ↗FDA official consumer guidance inspected: minimum 1 gallon/person/day and three-day supply, store commercially bottled water in cool dark places and observe dates.Wikimedia CommonsFile:Water Bottles Image.png ↗Original image opened and confirmed rows of bottled water. Thad Zajdowicz Flickr original reviewed by Commons reviewer 2024-07-09 as CC0; no separate photo alterations.Wikimedia CommonsCommons:Reusing content outside Wikimedia/technical ↗Official technical guidance opened and hotlink policy confirmed separately from file-level CC0 license.US Centers for Disease Control and PreventionCDC: 1인 하루 1갤런, 최소 3일분 물 준비 ↗미국 CDC의 비상 식수 준비 및 보관 공식 안내 US Food and Drug AdministrationFDA: 재난 대비 식수와 식품 비축 기본 ↗미국 FDA의 재난 대비 수분 비축 공식 가이드

Your try-it-at-home checklist

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