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WATER / UK PRACTICAL GUIDE / REVIEWED 30 OCT 2026

WHAT TO DO WHEN THE WATER SUPPLY STOPS

First establish whether the issue is inside your property or a wider supply interruption. Check your water company for current information and follow any boil-water or do-not-use notices exactly.

FREE / NEXT STEP

72-HOUR WATER CALCULATOR

Calculate the current UK three-day drinking-water baseline for your household, then note extra needs separately.

RUN THE FREE CHECK

WHAT TO DO WITH THIS

Know where your internal stop tap is before a leak makes it urgent. Keep an appropriate drinking-water reserve and identify anyone whose medical or care needs depend on water.

LIMITS / SAFETY

Do not assume stored water is suitable indefinitely. Follow supplier and public-health advice during a live incident.

COMPLETE THE DECISION

READY/03 — WATER / 72 HOURS

Use the paid plan only when you want the decisions written into a printable, offline system.

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SOURCES / CURRENT UK GUIDANCEhttps://beready.campaign.gov.uk/be-informed-about-hazards/water-supply-interruptions-or-outages/https://beready.campaign.gov.uk/be-ready-for-emergencies/