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After the Grid · Water & sanitation · Critical

Emergency toilet and hygiene

Prevent sewage failure from becoming a disease outbreak.

Critical caution: Keep waste downhill and away from water, kitchens, gardens, animals and flood paths.
Time
30–60 minutes
Difficulty
Moderate
Outcome
Separate human waste from hands, food, water and living areas
Survival lens: Back-to-basics systems work only when waste flows are designed first. A simple toilet, handwashing point and clear dirty zone prevent more illness than elaborate comfort projects.

Before you begin

What you need

Step-by-step procedure

  1. Stop unsafe flushing. If the sewer has failed or is backing up, stop adding water. Block access to affected toilets.
  2. Create the toilet. Line a stable bucket or toilet bowl with a strong bag. Add a base layer of dry absorbent material. Provide a secure seat and lid.
  3. Separate liquid where practical. Reducing liquid in the solids container can limit volume and odour, but keep all collection systems stable, labelled and inaccessible to children.
  4. Cover after every use. Add enough dry carbon material to cover the surface. Close the lid. Do not add disinfectants that create fumes or complicate disposal.
  5. Install handwashing at the exit. Provide soap and treated water. Make it impossible to leave the toilet zone without passing the station.
  6. Seal and stage waste. Close bags before they become heavy or prone to rupture. Store in a lidded, shaded, animal-proof dirty zone pending lawful disposal.

How to check it is working

Common mistakes

Sources and further reading

How this guide was checked

Official-source aligned: Aligned with CDC emergency hygiene and WHO emergency sanitation guidance

Independent specialist review: not yet completed. How review works.

Last updated: Nov 2026 · edition 1.0.

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More on water & sanitation

General preparedness information. Follow current instructions from emergency services, local authorities and qualified professionals whenever they are available.