Building a Flood Emergency Kit: Essential Supplies Checklist

FEMA recommends every household maintain supplies for at least 72 hours of self-sufficiency during a disaster. For flood events specifically — where municipal water can be contaminated, roads can be impassable, and power can be out for days — 72 hours is the minimum, not the goal. A properly assembled flood emergency kit takes a few hours to build and provides protection that no insurance policy can replicate.

This checklist is organized by category, with specific product guidance and notes on flood-specific requirements that differ from general disaster preparedness.

How to Use This Checklist

The checklist is divided into tiers:

  • Tier 1 — Core Kit: The absolute minimum for 72-hour survival for a family of four. Build this first.
  • Tier 2 — Extended Kit: Extends coverage to 7 days and adds flood-specific protection items.
  • Tier 3 — Household Hardening: Items that stay in the home and protect the structure during the event.

Store your kit in waterproof containers or heavy-duty trash bags inside a wheeled duffel — you may need to carry it out fast on foot.

Tier 1: Core Kit — 72-Hour Survival

Water (Highest Priority)

Floodwater is contaminated. Municipal tap water may be contaminated after a flood event. Your stored water is your only safe supply.

  • 1 gallon per person per day × 3 days minimum (family of 4 = 12 gallons minimum)
  • Store in HDPE containers (the recycling symbol with "2" inside) — they don't leach chemicals
  • Rotate every 12 months — mark storage date on each container
  • Water purification tablets (iodine or sodium hypochlorite) as backup
  • Portable water filter (LifeStraw or Sawyer Squeeze) for emergency filtration

Flood-specific note: If floodwater enters your home, assume tap water is compromised even if it looks clear. Do not drink, cook with, or use for oral hygiene without boiling or treating, until the local utility issues an all-clear.

Food

  • 3-day supply of non-perishable food per person
  • No-cook options (floods often mean no power or gas): crackers, nut butter, trail mix, canned foods with pop-tops, protein bars, dried fruit
  • Manual can opener (at least two — they get lost)
  • Paper plates, bowls, and plastic utensils (contaminated floodwater makes dish washing unsafe)
  • Infant formula and baby food if applicable (7-day supply)
  • Pet food: 3-day supply per animal

First Aid

Item Notes
Comprehensive first aid kit Red Cross Standard or better; check expiration dates annually
Prescription medications 30-day supply if possible; refill when you're at 30 days remaining
Over-the-counter medications Pain reliever, antidiarrheal, antacid, antihistamine
Thermometer Digital, with backup battery
Wound closure strips For lacerations that may occur during cleanup
Antiseptic wipes and solution Floodwater contamination risk makes wound cleaning critical
Eye wash solution For contaminated water contact with eyes

Light and Communication

  • Flashlights × 2 per adult — LED, with extra batteries for each
  • Headlamps × 1 per adult — essential for hands-free work during cleanup
  • Battery-powered or hand-crank NOAA weather radio — this is non-negotiable; cell networks often fail during floods and this is your information lifeline
  • Portable phone charger / power bank (fully charged; 20,000 mAh minimum for family use)
  • Waterproof phone case or zip-lock bags for devices
  • Extra batteries in AA, AAA, and 9V sizes
  • Glow sticks (12-hour duration) — useful for signaling and child safety

Documents and Financial

Store physical copies in a waterproof bag or document sleeve. Also maintain digital copies in cloud storage accessible from any device:

  • Insurance policies (flood, homeowners, auto, life) — include agent contact numbers
  • Government IDs (driver's license, passport, Social Security cards)
  • Property deed or lease agreement
  • Vehicle titles
  • Medical records and immunization history
  • Emergency contact list (printed — don't rely on your phone alone)
  • Cash in small bills ($200–$500 minimum) — ATMs and card readers may be offline
  • Blank check from each account

Tier 2: Extended Kit — 7-Day Coverage

Water (Extended)

  • Expand to 7 gallons per person (family of 4 = 28 gallons)
  • Collapsible 5-gallon water containers for flexible storage
  • Household bleach (unscented, 6–8.25% sodium hypochlorite) for water purification: 8 drops per gallon for clear water, 16 drops per gallon for cloudy water; wait 30 minutes before drinking
  • Portable water filter rated for biological contaminants

Food (Extended)

  • 7-day supply of non-perishable food per person
  • Camp stove with extra fuel canisters (for outdoor cooking if home is uninhabitable — never cook with gas indoors due to carbon monoxide)
  • Comfort foods: coffee, tea, chocolate — morale matters during multi-day emergencies

Sanitation and Hygiene

Sanitation becomes critical when water is contaminated or infrastructure is down:

  • Portable toilet or 5-gallon bucket with toilet seat lid — if sewage system is compromised, this becomes essential
  • Heavy-duty trash bags (55-gallon) for waste disposal
  • Hand sanitizer (60%+ alcohol) × 4 bottles
  • Baby wipes × 5 packs — for hygiene when water is unavailable
  • Feminine hygiene products: 30-day supply
  • Toilet paper × 2 rolls per person per week
  • Liquid dish soap and a basin for hand washing

Protective Gear (Flood-Specific)

This category is unique to flood emergencies and is frequently omitted from general disaster kit lists:

  • Rubber boots × 1 pair per adult — waterproof, ankle-high or taller, for navigating floodwater
  • Heavy rubber gloves × 2 pairs per adult — for contact with floodwater and contaminated materials
  • N95 respirators × 10 per adult — for mold protection during cleanup; P100 is better if available
  • Safety glasses or goggles × 1 per adult
  • Disposable Tyvek coveralls × 3 per adult — for cleanup work
  • Life jackets × 1 per person — for families in high flood-risk zones; useful for escaping in fast water

Tools and Equipment

  • Multi-tool (Leatherman or equivalent)
  • Adjustable wrench and pliers (for shutting off gas and water)
  • Utility knife and spare blades
  • Duct tape × 2 rolls
  • Heavy-duty plastic sheeting (6 mil) × 1 roll — for protecting belongings and temporary weatherproofing
  • Work gloves (leather or cut-resistant) for handling debris
  • Crowbar or pry bar — for opening jammed doors or emergency egress
  • Whistle × 1 per person — for signaling rescuers if trapped
  • Paracord × 100 feet

Tier 3: Home Hardening Items

These items stay in your home and deploy when flooding threatens. They're not in your evacuation bag — they're your last line of defense before you leave:

Flood Barriers

  • Door flood barriers: Quick-deploy barriers for exterior doors — see our barrier comparison guide and product catalog for rated options
  • Sandbags or sandbag alternatives: Water-activated barriers require no sand and can be deployed by one person in minutes
  • Basement window barriers or flood shields if you have below-grade windows

Backup Power

  • Battery backup for sump pump: Non-negotiable if you have a basement — the worst floods happen when power is out. See our sump pump guide for backup options.
  • Portable power station (1,000+ Wh) for running essential equipment
  • Solar panel for recharging the power station during extended outages

Post-Flood Cleanup Essentials

  • Wet/dry vacuum (5-gallon minimum)
  • Submersible pump with discharge hose (for basement flooding)
  • Commercial dehumidifier (50+ pint capacity)
  • Moisture meter (for structural drying verification)
  • EPA-registered antimicrobial spray (for mold prevention)
  • Contractor trash bags × 2 boxes

Kit Maintenance Schedule

A neglected kit is nearly as useless as no kit. Schedule annual maintenance:

Task Frequency Notes
Rotate stored water Every 12 months Use old water for plants/garden; refill and date new containers
Check food expiration dates Every 12 months Donate or consume approaching-expiry items; replace
Update medications When refilling prescriptions Keep 30-day supply current; check OTC expiration dates
Test batteries and electronics Every 6 months Replace batteries; test flashlights, radio, phone charger
Update documents After any major life event New insurance policy, ID renewal, address change
Check protective gear Every 12 months Inspect rubber boots and gloves for cracks; replace N95s if packaging is damaged

Total Cost to Build a Complete Kit

A family of four can build a complete Tier 1 + Tier 2 kit for approximately:

  • Core 72-hour kit: $150–$250 (starting from scratch)
  • Extended 7-day kit: Add $100–$200
  • Flood-specific protective gear: Add $80–$150
  • Home hardening items: Add $300–$800 depending on existing equipment

Compare this to the average flood damage claim of $30,000–$50,000. The emergency kit doesn't prevent water damage, but it keeps your family safe and operational while you execute your emergency action plan.

For a complete guide on preparing your property — not just your kit — see our home flood protection guide and the seasonal flood preparation checklist. Browse FloodReady's product catalog for flood barriers, sump pumps, and protective gear with verified specifications.