Emergency sanitation

The standard recommendation for short-term water loss

CDC and FEMA both list emergency sanitation as a top priority in disaster preparedness. The Washington State Department of Health provides the most practical household guidance. When the toilet will not flush because water service has stopped, the preferred method is the bag-and-absorb approach.

Setup: Line the toilet bowl with a heavy-duty trash bag (13-gallon kitchen bags work, doubled for strength). After each use, add a handful of absorbent material: cat litter, sawdust, shredded newspaper, or wood shavings. The absorbent controls odor and moisture. Tie the bag closed between uses.

Disposal: When the bag needs replacing, tie it securely, place it inside a second bag, and store it outside in a covered container until normal waste collection resumes. During declared emergencies, local authorities may issue specific disposal guidance. Follow their instructions over any general advice.

An alternative: a five-gallon bucket with a snap-on toilet seat (available from camping suppliers for about $15). The same bag-and-absorb technique applies. This option is more stable than a lined toilet bowl and easier for children and elderly household members to use.

If you have stored water and city water pressure is the only problem (common during power outages for homes on city water), you can flush manually by pouring about 1.6 gallons of water directly into the bowl. This works for short outages but consumes stored water fast. A family of four using bucket-flush will go through 20 to 30 gallons per day on toilet flushing alone.

The disease prevention layer

CDC's emergency hygiene guidance is clear: sanitation failures during disasters lead directly to disease outbreaks. Fecal-oral transmission of norovirus, E. coli, hepatitis A, and other pathogens accelerates when handwashing breaks down. The sanitation plan is incomplete without a hygiene plan.

Hand sanitizer with at least 60% alcohol is the primary fallback when soap and running water are unavailable. Keep a bottle at the sanitation station and use it after every toilet visit and before handling food. Hand sanitizer does not work on visibly dirty hands, so pair it with moist towelettes for initial cleaning when needed.

Supplies to have on hand: alcohol-based hand sanitizer (at least two large bottles for a 72-hour supply for a family), moist towelettes or baby wipes, heavy-duty trash bags (at least 20), cat litter or sawdust (one bag), disposable gloves, and a spray bottle of diluted bleach solution for surface disinfection.

Menstrual supplies, incontinence products, and infant diapers are separate category items that are frequently forgotten in emergency kits. Ready.gov lists all three. The need does not pause during a disaster, and availability at shelters and stores may be limited.

Accumulated waste attracts rodents within days

CDC rodent prevention guidance identifies three priorities during extended outages when garbage cannot be collected: seal food sources in hard-sided containers with lids (not just bags on the ground), seal building entry points with steel wool packed into gaps around pipes and door frames, and eliminate nesting material near the structure. Traps address mice already inside but do not prevent new entry. Mothballs are ineffective against rodents and toxic to pets and children. Extended outages create sustained food-waste accumulation that requires active management — bags sealed outside and away from the home, in a lidded hard-sided container if available.